2018 kx450f weight

2018 kx450f weight DEFAULT

THE KX450F RETURNS FOR THE FASTEST PATH TO THE PODIUM.

2018 Kawasaki KX450F

2018 Kawasaki KX450F

2018 Kawasaki KX450F

2018 Kawasaki KX450F

2018 Kawasaki KX450F

2018 Kawasaki KX450F Totalmotorcycle.com Key Features

Absolutely nobody can exceed the championship legacy of Kawasaki and the KX™ motorcycle. KX owns more combined professional 250cc and 450cc AMA National Motocross and Supercross titles than any other manufacturer. Explore the tabs below to experience what KX is all about.

THIS IS OUR PROOF

The KX450F motorcycle is the most powerful, lightweight, and agile KX450F ever. Developed from the highest levels of racing, this championship bike has advanced technology sourced straight from the world’s premier race team—another reason why the KX450F is The Bike That Builds Champions.

X design philosophy is simple: put mid-level to expert riders on the top step of the podium – and that is what the KX450F does best. Engine and chassis performance delivers what riders need to win. And complimenting this dominant performance, the KX450F is loaded with advanced technology with industry firsts that give riders an even greater edge.

2018 Kawasaki KX450F Totalmotorcycle.com Features and Benefits

ENGINE

Kawasaki’s powerful race-winning motocross bike is equipped with a potent, lightweight engine package that is derived from its factory race team efforts. The 4-stroke, single cylinder, DOHC, water-cooled 449cc engine has been designed for instantaneous response at the crack of the throttle and continues through to its strong top-end pull for peak performance.

The cylinder is offset 8.5mm forward to reduce mechanical loss through friction from the piston movement, thus enabling more efficient power generation. A special coating used on the intake port cores during the casting process make ports ultra-smooth, which increases efficiency and performance at all RPM.

36mm titanium intake valves, similar to those found in Kawasaki Ninja® sportbikes, have a slim throat angle and reduced recess to increase high-RPM performance. Intake cam settings maximize low-RPM performance, while a lightweight camshaft aids in throttle response and extends over-rev. A bridged-box piston design, which features a 12:8:1 compression ratio, is similar to those seen on the Monster Energy® Kawasaki race team’s factory race bikes and matches the intake valve shape. The piston has optimum rigidity for maximum high-RPM power and durability.

A resonator chamber has been fitted to the exhaust system header, which assists in low-RPM power and helps to reduce the decibel sound level. The sleek air box design has eliminated the use of any steel parts, resulting in weight savings. Intakes and air box shape underneath the seat help ensure clean-consistent airflow, maximizing engine response and reducing intake noise.

In the transmission, lightweight gears and shafts reduce weight and retain their overall strength while contributing to the motorcycle’s winning performance. The engine cases, which feature a scavenger pump on the right case, have been constructed of the lightest materials and are designed to meet the highest standards of durability.

DFI® COUPLERS

Contributing to the race-winning engine characteristics, the digital fuel injection system of the KX450F features a coupler package that has set the industry standard. Each KX450F motorcycle comes standard with three different couplers, easily allowing riders to change fuel injection and ignition mapping to suit their riding style or track conditions. The four-pin DFI® couplers are designed for standard, hard or soft terrain settings. Changing the coupler is as simple as connecting the coupler cap of choice. For riders looking to fine tune their ECU the KX FI Calibration Kit (Handheld) is offered as part of a selection of Kawasaki Genuine Accessories, which allows access to the fully programmable ECU. The handheld device eliminates the need for a trackside laptop and gives riders the ability to create custom maps for precise adjustment of fuel and ignition settings. The user-friendly device can store up to seven preset maps and is PC-compatible.

LAUNCH CONTROL

The launch control system of the KX450F motorcycle is a favorite for riders of all skill levels  who are focused on getting to the first turn ahead of their competition. The push-button activation retards ignition timing in first and second gear, helping maximize traction and put the bike’s potent power to the ground. Once the rider shifts into third gear, normal ignition mapping immediately resumes and full power is restored.

CHASSIS

Kawasaki’s engineers have sacrificed countless hours working alongside the factory racing team to develop the ultimate aluminum perimeter frame that is aimed towards providing precise cornering through front-end feel and maximum agility at high speeds. The perimeter spars have been designed to ultra-thin specifications for a narrow profile and comfortable feel. A lightweight, rigid swingarm is used to help rear-wheel traction and overall rider feel and handling performance. The alloy swingarm is constructed of a cast front section and twin tapered hydro-formed spars in a raw aluminum finish. Forged chain adjusters are also equipped with a self-locking rear axle nut. The axle nut holds 80lb-ft torque without the need of a cotter pin, simplifying maintenance at the track.

The upper and lower triple clamps are inspired by the factory race team bikes, and enable quick turn-in through the optimal rigidity and front-end feel, ultimately making the motorcycle a rider’s dream when cornering.

SUSPENSION & BRAKES

For 2018, the KX450F motorcycle once again features industry-leading technology from the Showa SFF-AIR TAC (Separate Function Fork, Triple Air Chamber), which separates the damping and shock absorption duties into the individual fork legs. The left fork contains the damping assembly and the right fork contains the air spring. Instead of the steel coil springs found in conventional forks, the SFF-AIR TAC’s right fork tube has three chambers filled with pressurized air that act as a “spring.” With the elimination of steel coil springs, friction is reduced, and provides an extremely smooth action throughout the fork’s stroke. This has the added benefit of weight reduction and allows a larger damper piston to be used, further smoothing the action. It is lightweight and rigid, contributing to superior riding performance and front-end feel. The low friction design, including a DLC coating to the outside of the lower fork tubes also contributes to the extremely smooth fork action. Incredibly precise settings can be adjusted by simply changing the air pressure and using the 22-position compression and 20-position rebound damping adjustments. Changing air pressure covers a range of settings offered by optional springs in a standard fork, including quick changes of ride height, without needing to disassemble the fork tubes.

On the rear suspension, Kawasaki’s Uni-Trak® linkage system is designed to work in conjunction with the aluminum frame and swingarm. The linkage, which is mounted below the swingarm, allows for a longer rear suspension stroke and maintains a low seat height. Dual compression adjustability from the Showa shock allows high-speed and low-speed damping rates to be set separately. The shock reservoir has a friction-reducing internal Kashima coating for improved suspension action. The race-oriented rear suspension offers class-leading action and adjustability on par with the Showa SFF-AIR TAC fork. The fully adjustable shock allows for precise settings to help keep the rear wheel planted and the rider out front.

Kawasaki offers an optional rear suspension linkage tie rod for riders who are seeking an edge over their competition. It is 1mm longer than stock and can be used to reduce seat height by 4mm to give the rider adjustment options.

An oversized 270mm, petal-shaped front brake rotor from the renowned manufacturer, Braking®, is fitted to keep up with its powerful engine and help riders turn quicker lap times than the competition.  Its purpose is to provide powerful stopping, good lever feel, and consistency in all conditions. The rear is equipped with a 240mm petal-shaped Braking® rotor.

ADJUSTABILITY

Kawasaki continues its unmatched commitment towards success and provides riders with class-leading comfort thanks to its adjustable handlebar mounting system and footpegs to fit a variety of riders and riding styles. The handlebars feature 4-way adjustable mounts. The multi-position handlebars offer two mounting holes with 35mm of adjustability, and the 180-degree offset clamps boast four individual settings to suit different size riders. The wide 50mm footpegs feature dual-position mounting points, with a lower position that reduces the standard setting by an additional 5mm. The lower position effectively lowers the center of gravity when standing, and reduces knee angle when taller riders are seated.

The 2018 Kawasaki KX450F motorcycle can be made to suit a large range of riders thanks to its flat seat design, adjustable handlebar and footpegs and adjustable suspension components. This perfectly complements the wide range of damping settings as well as the DFI® couplers and optional handheld KX FI Calibration Kit, allowing the rider to find the ideal engine characteristics to suit a particular track or conditions. While the base settings on the KX450F motorcycle are based on extensive testing, including racing, the motorcycle provides a huge range of technology and adjustment to help ensure every rider can experience the incredible ability of this extremely capable motocross bike.

BODYWORK & SEAT

To go along with its race proven performance, the 2018 KX450F motorcycle features aggressive styling along with in-mold graphics on the radiator shrouds that retain the racy look necessary when finishing at the top of its class. The bodywork has been sculpted to match the narrow chassis design; the fuel tank has been designed to lower the overall center of gravity, increasing maneuverability. With performance in mind, the flat design easily allows for movement when changing riding position, while also allowing the rider to sit further forward.

Complementing the bike’s eye-catching appearance are the green engine plugs, oil cap, and generator cover plugs, as well as green alumite suspension adjusters and black alumite wheels. The clutch cover features embossing that is designed to appear over time.

A large synthetic skidplate offers a level of protection for the bottom of the 2018 KX450F motorcycle’s class-leading engine, with minimal weight, and features oval holes in order to facilitate mud removal.

2018 Kawasaki KX450F – Totalmotorcycle.com USA Specifications/Technical Details
US MSRP Price: $8849 USD

POWER

Engine

4-stroke, 1-cylinder, DOHC, water-cooled

Displacement

449cc

Bore x Stroke

96.0 x 62.1mm

Compression ratio

12.8:1

Fuel System

DFI® w/43mm Keihin throttle body

Ignition

Digital DC-CDI

Transmission

5-speed, return shift

Final Drive

Chain

PERFORMANCE

Front Suspension / Wheel Travel

Inverted Showa SFF-Air TAC fork with Triple Air Chamber, DLC coated sliders, 22-position compression and 20-position rebound damping adjustment/12.0 in

Rear Suspension / Wheel Travel

Uni-Trak® linkage system and Showa shock, 19-position low-speed and 4-turns high-speed compression damping, 22-position rebound damping and fully adjustable spring preload/12.0 in

Front Tire

80/100-21

Rear Tire

120/80-19

Front Brakes

Single semi-floating 270mm Braking® petal disc with dual-piston caliper

Rear Brakes

Single 240mm Braking® petal disc with single-piston caliper

DETAILS

Frame Type

Aluminum perimeter

Rake/Trail

28.2°/5.0 in

Overall Length

86.4 in

Overall Width

32.3 in

Overall Height

50.4 in

Ground Clearance

13.2 in

Seat Height

37.4 in

Curb Weight

239.8 lbs**

Fuel Capacity

1.66 gal

Wheelbase

58.9 in

Color Choices

Lime Green

Warranty

Not Available

Kawasaki Protection Plus™ (optional)

Not Available

2018 Kawasaki KX450F – Totalmotorcycle.com Canadian Specifications/Technical Details
Canada MSRP Price: $9799 CDN

Displacement    449cc

Type      4-stroke, Single

Bore and stroke 96.0 x 62.1 mm

Cooling Liquid

Compression ratio           12.8:1

Valve system     DOHC, 4 valves

Fuel system        Digital fuel injection with 43 mm Keihin throttle body

Ignition Digital DC-CDI

Lubrication          Forced lubrication (semi-dry sump)

Starting Primary Kick

BRAKES

Front: type         Single semi-floating 270 mm petal disk

Front: calipers   Dual-piston caliper

Rear: type           Single 240 mm petal disc

Rear: calipers     Single-piston caliper

DIMENSIONS

Overall length    2,195 mm

Overall width     820 mm (32.3 in.)

Overall height    1,290 mm

Wheelbase         1,495 mm

Ground clearance            345 mm

Seat height         960 mm

Curb mass**      108.7 kg

Fuel capacity      6.3 litres

DRIVETRAIN

Transmission      5-speed, constant mesh, return shift

Final drive           Chain

Primary reduction ratio  2.727 (60/22)

Gear ratio: 1st   1.750 (28/16)

Gear ratio: 2nd  1.412 (24/17)

Gear ratio: 3rd   1.188 (19/16)

Gear ratio: 4th   1.000 (19/19)

Gear ratio: 5th   0.875 (21/24)

Final reduction ratio        3.846 (50/13)

Clutch   Wet multi-disc, manual

FRAME

Type      Perimeter, Aluminum

Wheel travel: front          310 mm

Tire: front            80/100-21 51M

Wheel travel: rear            315 mm (12.4 in.)

Tire: rear              120/80-19 63M

Caster (rake)      28°

Trail        125mm

Steering angle (left/right)             42°/42°

SUSPENSION

Suspension, front            ø49 mm inverted telescopic Separate Function front Fork Air – Triple Air Chamber (SFF-Air TAC)

Suspension, rear              New Uni-Trak with adjustable dual-range (high/low speed) compression damping, adjustable rebound damping and ajustable preload

2018 Kawasaki KX450F – Totalmotorcycle.com European Specifications/Technical Details
Europe/UK MSRP Price: £6999 GBP (On The Road inc 20% Vat)

Engine

Engine type Liquid-cooled, 4-stroke Single

Displacement 449 cm³

Bore x stroke 96 x 62.1 mm

Compression ratio 12.8:1

Valve system DOHC, 4 valves

Fuel system Fuel injection: Ø 43 mm x 1 (Keihin)

Fuel system Fuel injection: Ø 43 mm x 1 (Keihin)

Ignition Digital DC-CDI

Starting System Primary Kick

Lubrication Forced lubrication, semi‑dry sump

Gear      Performance & Transmission

Transmission 5-speed

Final drive Chain

Primary Reduction Ratio 2.727 (60/22)

Gear Ratios 1st 1.750 (28/16)

Gear Ratios 2nd 1.412 (24/17)

Gear Ratios 3rd 1.188 (19/16)

Gear Ratios 4th 1.000 (19/19)

Gear Ratios 5th 0.875 (21/24)

Final reduction ratio 3.846 (50/13)

Clutch Wet multi-disc, manual

Suspensions       Brakes & Suspension

Brakes, front Single semi-floating 270 mm petal disc. Caliper: Dual-piston

Brakes, rear Single 240 mm petal disc. Caliper: Single-piston

Suspension, front 49 mm inverted Separate Function front Fork Air – Triple Air Chamber (SFF-Air TAC). Compression damping: 22-way. Rebound damping: 20-way

Suspension, rear Uni-Trak. Compression damping: 19-way (low-speed), 4-turns or more (high-speed). Rebound damping: 22-way. Spring preload: Fully adjustable

Dimensions        Frame & Dimensions

Frame type Perimeter, aluminium

Trail 126 mm

Trail 126 mm

Wheel travel front 305 mm

Wheel travel front 305 mm

Wheel travel rear 305 mm

Tyre, front 80/100-21 51M

Tyre, rear 120/80-19 63M

Steering angle, left / right 42° / 42°

L x W x H 2,195 x 820 x 1,280 mm

L x W x H 2,195 x 820 x 1,280 mm

Wheelbase 1,495 mm

Ground clearance 335 mm

Ground clearance 335 mm

Fuel capacity 6.3 litres

Fuel capacity 6.3 litres

Seat height 950 mm

Curb mass 108.8 kg

Manufacturer Specifications and appearance are subject to change without prior notice on Total Motorcycle (TMW).

Sours: https://www.totalmotorcycle.com/motorcycles/2018/2018-kawasaki-kx450f-review

MotoOnline.com.au tests the 2018 Kawasaki KX450F.

For 2018, Kawasaki has released its flagship KX450F model again featuring a host of impressive features, so how exactly does this bike fair out on track? MotoOnline.com.au recently put the bike to the test at Wollongong Motorcycle Club in New South Wales to find out just that.

Let’s start with the engine package. Equipped with a four-stroke, single cylinder, DOHC, water-cooled 449cc engine, the 2018 Kawasaki KX450F certainly offers a strong engine package. But in saying that, it’s quite a smooth and welcoming engine package, which is something I personally prefer in a 450cc motocross bike.

The 2018 Kawasaki KX450F cylinder is off-set 8.5mm forward to reduce the mechanical loss through friction from the piston movement, which allows for more efficient power generation. A special coating has also been used on the intake port cores during the casting process to increase efficiency and performance throughout the rev range.

Similar to those found in the Kawasaki Ninja sportbikes, the Kawasaki KX450F features 36mm titanium intake valves that have a slim throat angle and reduced recess to increase high-RPM performance. The intake cam settings maximise low-RPM performance and a lightweight camshaft aids in throttle response and extends over-rev.

Image: Alex Gobert (Foremost Media).

These features, paired with a bridged-box piston design and a 12:8:1 compression ratio, offer strong performance throughout the rev range and this engine is truly a joy to use. The 2018 Kawasaki KX450F engine rolls on smoothly and continues to pull through to the top. As a result it’s easy to use, yet ready to hit the race track right out of the box.

To aid in this ease of use and smooth low-RPM power delivery, a resonator chamber has also been fitted to the exhaust system header. At the same time this also helps to reduce the decibel sound level to meet sound regulations on race day. Intakes and air box shape underneath the also help to ensure clean-consistent air-flow while maximising engine response and reducing intake noise.

Happy with the power delivery in standard trim on a mostly slick and hard circuit, we opted to leave the standard four-pin DFI coupler in the bike. But depending on conditions or your personal preference, the 2018 KX450F maintains the option to change the fuel injection and ignition mapping using the provided couplers. With just the change of a plug you can completely revise the engine characteristics and create a more mellow version or a much more aggressive KX450F.

For riders looking to fine tune their ECU, the KX FI Calibration Kit is also offered as part of a selection of Kawasaki Genuine Accessories, which allows access to the fully programmable ECU. The handheld device eliminates the need for a track-side laptop and gives riders the ability to create custom maps for precise adjustment of fuel and ignition settings. The user-friendly device can store up to seven preset maps and is PC-compatible.

To top off the engine and electronics package, the launch control system of the KX450F continues to remain a top feature in 2018. The push-button activation retards ignition timing in first and second gear, helping maximise traction and put the bike’s potent power to the ground. Once the rider shifts into third gear, normal ignition mapping immediately resumes and full power is restored.

Image: Alex Gobert (Foremost Media).

In the chassis department, Kawasaki focused on creating the ultimate aluminum perimeter frame aimed towards providing precise cornering through front-end feel and maximum agility at high speeds. Designed to ultra-thin specifications for a narrow feel, the 2018 Kawasaki KX450F frame feels small and thin between your legs – the bike almost feels like a 250F on-track.

It’s remarkable just how small and nimble the Kawasaki KX450F feels and I’m personally a fan of the way this frame has been designed. The overall ergos of the bike could be slightly improved for a rider of my height, but Kawasaki did keep this in mind when they designed the frame. With adjustable foot-pegs that can be lowered by 5mm, this aids in giving a more ‘roomy’ feel to the cockpit.

If you’re a slightly shorter rider, you will feel right at home aboard this bike. It still feels comfortable for me, but initially I felt a bit cramped as the seat to foot-peg distance feels slightly shorter than some of the other models on the market today. At the end of the day though, I didn’t notice this anymore and I felt quite comfortable in the seated position.

For 2018, the KX450F once again features the Showa SFF-AIR TAC (Separate Function Fork, Triple Air Chamber), which separates the damping and shock absorption duties into the individual fork legs. The left fork contains the damping assembly and the right fork contains the air spring.

Instead of the steel coil springs found in conventional forks, the SFF-AIR TAC’s right fork tube has three chambers filled with pressurized air that act as a spring. With the elimination of steel coil springs, friction is reduced, and provides an extremely smooth action throughout the fork’s stroke. This has the added benefit of weight reduction and allows a larger damper piston to be used, further smoothing the action.

Image: Alex Gobert (Foremost Media).

At my level of riding, I was personally a big fan of the front-end on the 2018 Kawasaki KX450F and felt comfortable with the SFF-AIR TAC forks. The front-end of the motorcycle felt very planted at all times and that’s something I always look for in a bike. Yet at speed the bike remained very stable and I never lost trust in the front of the bike, it’s the combination we’re always searching for.

To compliment the Showa SFF-AIR TAC fork up front, the rear of the 2018 Kawasaki KX450F features the Uni-Trak linkage system and a Showa shock. The shock reservoir features internal Kashima coating for improved suspension action and allows for dual compression adjustability and separate high-speed and low-speed damping rates.

The overall suspension package did what it should and never really threw out any surprises and that’s really what I’m looking for in a bike. The 2018 Kawasaki KX450F feels predictable at all times and stays planted to the ground due to the Showa package offered on the front and rear. In the chassis and suspension department there’s definitely a lot of good things to say here, while keeping in mind that the track wasn’t overly rough.

Kawasaki also offers an optional rear suspension linkage tie rod for riders who are seeking an edge over their competition. It is 1mm longer than stock and can be used to reduce seat height by 4mm to give the rider adjustment options. Although this option isn’t absolutely necessary, if you feel it could enhance the bike’s performance, it’s nice to know that you can go in that direction too.

Obviously with the engine package being super strong and the chassis allowing you to lift the speeds to a higher level, we need to bring this bike to a stop! Featuring a Braking 270mm front brake rotor, the 2018 Kawasaki KX450F comes to a stop quite easily. Paired with a 240mm rotor at the rear, the overall braking performance is strong and we had no complaints there.

Image: Alex Gobert (Foremost Media).

As I mentioned earlier, the ability to adjust the cockpit to suit your needs is great and it doesn’t stop at the foot-pegs. You can also use the four-way adjustable handlebar mounts to fine-tune to comfort level of the 2018 KX450F. I personally found comfort in the standard setting, although I would probably go to a slightly lower bend of bar to suit my style. The sweep of the bar is great, but a slightly lower rise would personally be ideal for me.

To go along with its performance, the 2018 KX450F motorcycle features aggressive styling along with in-mold graphics on the radiator shrouds that retain the racy look. The bodywork has been sculpted to match the narrow chassis design and the fuel tank has been designed to lower the overall center of gravity, increasing maneuverability. With performance in mind, the flat design easily allows for movement when changing riding position, while also allowing you to sit further forward.

The way the bodywork has been designed on the 2018 Kawasaki KX450F really stands out to me. Not only does the bike look neat, but it allows you to move around freely on the motorcycle without the risk of getting caught up anywhere. It’s definitely comfortable to move around on this bike with its seamless bodywork and flat seat – Kawasaki definitely nailed it in this aspect.

To cap off the look, the 2018 KX450F also features green engine plugs, oil cap and generator cover plugs, as well as green alumite suspension adjusters and black alumite wheels. Just go to your favourite graphics shop, have your numbers printed up and this bike is ready to hit the race track right out of the box. The overall package provided by Kawasaki with their 2018 KX450F is really well-rounded.

With a smooth and progressive power delivery, solid chassis and suspension and very well designed bodywork, a lot of boxes have been ticked on this model. It’s a tough market out there in the 450cc category, but Kawasaki definitely do have a strong contender in 2018, there’s no doubt about that. The 2018 Kawasaki KX450F comes in at a recommended retail price of $11,599 and is now available nationwide at your local Kawasaki dealer, head to www.kawasaki.com.au for more information.

Vital specifications

Engine type: Liquid-cooled, four-stroke, one-cylinder
Capacity: 449cc
Bore/stroke: 96.0 x 62.1mm
Transmission: Five-speed
Seat height: 950mm
Ground clearance: 335mm
Weight: 108.8kg (wet)
Fuel capacity: 6.3L
Price: $11,599
More details:www.kawasaki.com.au

Sours: https://www.motoonline.com.au/2017/10/13/review-2018-kawasaki-kx450f/
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Kawasaki’s KX450F Updated for 2018

New Fuel Map accessory | Retains air forks

Words: Jock McLauchlan Photos: Geoff Osborne

The 2018 Kawasaki KX450F is almost the same machine from last year, however the bike does offer some subtle updates to the suspension valving and the power characteristics thanks to a fuel mapping device. So where does this leave the KX450F?

Kawasaki offer a number of subtle updates on their 2018 model KX450F

I seem to be going on about this a lot at the moment, but the 2018 Kawasaki KX450F still has no electric start, and is now the only Japanese model to be running an air fork.

All new for this year, however, is an accessory hand-held fuel mapping device that can hold seven different options, along with the previous model’s three mode plugs.

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The holeshot assist button remains, which works in first and second gears only and is designed to enhance acceleration while reducing wheel slippage.

The chassis is highly adjustable for rider fit with four-position handle bars across a 35mm range and the footpegs can go up and forward 5mm, or obviously, down and back 5mm.

The 2018 KX450F was tested at the Tarawera T100, a 100 mile trail event.

As part of the test appraisal for the KX450F, I rode the new bike in the Tarawera T100 and for a bit of background the Tarawera T100 is a 100 mile (160km) trail event that takes four hours to complete and offers an extreme testing ground.

I hadn’t ridden the T100 since 1991 (I think… it’s lost in the mists of time), and never at the new location. I also had never even started the KX until I warmed the machine up on the start line… so, it was in at the deep end, racing at its very best.

My memory of the old track was that it was either very fast or quite tight, and not so rough other than the usual choppy stuff and tree roots. With that in mind I had softened the rear shock two clicks and a quarter turn on compression, went two clicks quicker on rebound and moved the bars to the second most forward position because I’m tall – all of which was a mistake. The track was mainly third or fourth gear and MX-style ‘whoop’ rough, so the shock was way too soft for my size and the conditions.

The handlebars offer adjustable positions, ensuring rider comfort and control

Also, I felt less comfortable with the bars in that forward position. It gave a slightly over-centre feel in turns that required a reasonable amount of lock and felt odd, even though the extra room was appreciated when going straight.

One lap done I hit the pits and quickly adjusted the shock back to standard settings. Straight away it was a massive improvement. Now, with the shock riding higher in the stroke with more control and a heap more bottoming resistance, the whole machine felt better.

To me the shock feels a little softer than last year overall and very plush. Given that I’m over 100kg suited up, I think a younger/lighter racer would be very pleased with the shock’s action.

49mm Showa SFF-Air TAC forks offer good adjustability and 305mm of travel

Up front the Showa SFF Air TAC fork is pretty plush and has decent bottoming resistance. They’re super adjustable and I found the action stable for the whole race. Air spring forks do feel a little different, in that air is more progressive in action than a spring… so they can be softer initially, but still man up enough for the big hits.

However the difficulty is getting the balance correct, where they’re riding high enough in the stroke and then not becoming too firm lower in the stroke… which I would say they were for the T100. Kawasaki has got them pretty much right as standard for the MX track, but I’m sure a little testing and tuning will pay off.

The suspension offers good adjustability, however finding the right balance with the air forks can be the challenge

After all, there are the inner and outer tubes, plus the balance chamber pressure to experiment with. Kawasaki recommends the air fork is bled and run at zero psi. Overall the suspension is a decent package and very adjustable.

The 450F chassis has a great balanced feel and I find the ergonomics excellent. It is one of the slower steering bikes in the class but it always feels planted yet accurate, and never gives the rider any ‘interesting’ surprises. I think it’s better in fast, open turns and berms but, don’t get me wrong, it can still turn tightly pretty well. As a handling package the KX450F is solid.

Bar controls include the engine stop button, but an electric starter is noticeably absent

The engine has plug-in fuel maps for standard, hard and soft terrain (white, black, green respectively). Unfortunately, I was only given the standard (white) plug to try for this test, but it provided strong useable power right through the range, and there is serious thrust in the mid-range.

In the past I have liked the black plug most as it boosts torque and is less likely to detonate in deep sand under load, and I prefer to ride using the torque of the motor rather than the revs.

The 2018 KX450F features a 449cc liquid-cooled DOHC four-valve four-stroke single-cylinder with three engine fuel maps thanks to map plugs

The power delivery is particularly smooth from idle and just above it, which is awesome where subtlety is required on slick conditions ,when trying to feel for every last bit of traction. However, that certainly does not mean it lacks responsiveness – when required it hauls. This is an easy to ride, tractable and fast engine.

What else? Well, the brakes are great, there’s plenty of power and feel there. The seat is a good flat shape with nice firm foam that doesn’t cause discomfort.

The 2018 KX450F's brakes offer good power and feel

The overall impression I’ve been left with of the the 2018 Kawasaki KX450F is of completeness. It is a well thought out, nicely put together and totally competent package. While it may not be outstanding in any one particular area, it doesn’t perform poorly anywhere either – making for an excellent machine in general.

The 2018 KX450F offers smooth throttle control, with tractable, fast power production

The one thing it doesn’t have, but needs, is an electric start. Both Honda and Yamaha machines have electric start this year, as do KTM and Husky – so for this reason alone it is falling behind. That said, the KX450F is still a great bike.

The KX450F may not be oustanding in any particular area, but makes for an excellent machine in general.

2018 Kawasaki KX450F Strengths and Weaknesses

  • Plus – Smooth engine; adjustable chassis; great package.
  • Minus – No electric start; panel plastics seem a little brittle.

2018 Kawasaki KX450F

2018 Kawasaki KX450F Specifications

  • Engine Type – 449cc, liquid-cooled, DOHC four-valve, semi-dry sump, four-stroke single-cylinder
  • Power (claimed) – Not quoted
  • Torque (claimed) – Not quoted
  • Compression – 12.8:1
  • Bore x stroke – 96.0 x 62.1mm
  • Starting system – Kickstart
  • Fuel system – Fuel injection, Keihin 43mm body, dual injectors
  • Clutch – Wet, multi-plate, cable operated
  • Transmission: Five speed, chain drive
  • Frame – Aluminium, perimeter
  • Swingarm – Aluminium
  • Front Suspension – 49mm Showa SFF-Air TAC forks, preload, rebound and compression adjustable, 305mm travel front
  • Rear Suspension – Uni-Trak monoshock, preload, rebound and hi/lo-speed compression adjustable, 305mm travel rear
  • Brakes – 270mm petal disc, two-piston caliper front; 240mm disc, single-piston caliper rear
  • Wheels – Spoked, aluminium rims
  • Tyres – 80/100-21in front; 120/80-19in rear
  • DIMENSIONS
    • Wheelbase – 1495mm
    • Rake/Trail – 28.2°/126mm
    • Seat height – 950mm
  • Claimed weight – 108.8kg (wet)
  • Fuel tank capacity – 6.3 litres
  • Price – $11,599 (inc. GST)
  • Web – www.kawasaki.com.au
2018 Kawasaki KX450F

2018 Kawasaki KX450F

2018 Kawasaki KX450F

2018 Kawasaki KX450F
Sours: https://www.mcnews.com.au/2018-kawasaki-kx450f-review/
2018 KX450F REVIEW
Kawasaki's profilation of this bikeDeveloped from the highest levels of racing, this championship bike has advanced technology sourced straight from the world’s premier race team—another reason why the KX450F is The Bike That Builds Champions.
General informationModel:Kawasaki KX 450FYear:2018Category:Cross / motocrossPrice as new:US$ 8849. MSRP depends on country, taxes, accessories, etc.Rating: 3.1  Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike.Engine and transmissionDisplacement:449.0 ccm (27.40 cubic inches)Engine type:Single cylinder, four-strokeCompression:12.8:1Bore x stroke:96.0 x 62.1 mm (3.8 x 2.4 inches)Valves per cylinder:4Fuel system:Injection. DFI® w/43mm Keihin throttle body Fuel control:Double Overhead Cams/Twin Cam (DOHC)Ignition:Digital DC-CDILubrication system:Forced lubrication, semi and #8209;dry sumpCooling system:LiquidGearbox:5-speedTransmission type,
final drive:
ChainClutch:Wet multi-discChassis, suspension, brakes and wheelsFrame type:Perimeter, aluminiumRake (fork angle):28.2°Trail:127 mm (5.0 inches)Front suspension:Inverted Showa SFF-Air TAC fork with Triple Air Chamber, DLC coated sliders, 22-position compression and 20-position rebound damping adjustmentFront wheel travel:305 mm (12.0 inches)Rear suspension:Uni-Trak® linkage system and Showa shock, 19-position low-speed and 4-turns high-speed compression damping, 22-position rebound damping and fully adjustable spring preloadRear wheel travel:305 mm (12.0 inches)Front tire:80/100-21 Rear tire:120/80-19 Front brakes:Single disc. Petal disc with 2-piston caliper Diameter:270 mm (10.6 inches)Rear brakes:Single disc. Petal disc with single-piston caliper Diameter:240 mm (9.4 inches)Physical measures and capacitiesWeight incl. oil, gas, etc:108.8 kg (239.8 pounds)Seat height:950 mm (37.4 inches) If adjustable, lowest setting.Overall height:1280 mm (50.4 inches)Overall length:2195 mm (86.4 inches)Overall width:820 mm (32.3 inches)Ground clearance:335 mm (13.2 inches)Wheelbase:1495 mm (58.9 inches)Fuel capacity:6.21 litres (1.64 US gallons)Other specificationsColor options:Lime GreenStarter:KickUpdate specsReport missing specs or required updates.Further informationInsurance costsCompare US insurance quotes from the nation's top providers.Finance optionsCompare US motorcycle loan quotes from the nation's top providers.Parts finderCMSNL provides online schematics & OEM partsParts and ships to Australia, Austria, Bahamas, Belgium, Canada, China, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hong Kong, Hungary, Iceland, India, Ireland, Italy, Japan, Kuwait, Latvia, Lithuania, Luxembourg, Macedonia, Malta, Montenegro, The Netherlands, New Zealand, Norway, Poland, Portugal, South Africa, Spain, Sweden, Switzerland, Taiwan, Ukraine, United Kingdom, The United States and more. Also check out our overview of motorcycle webshops at Bikez.info.Motocross partsParts and accessories available from Revzilla MotocrossMotocross parts. Ships to the US.MaintenanceFind parts, fluids. filters, maintenance tools and service manuals at Amazon.com.Ask questionsJoin the 18 Kawasaki KX 450F discussion group or the general Kawasaki discussion group.Related bikesList related bikes for comparison of specs.
Rating sample for this Kawasaki bike Value for money for the 2018 Kawasaki KX 450F:

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Weight 2018 kx450f

Kawasaki KX 450F Specs




Motorcycles Specs > Kawasaki > Kawasaki KX 450F


(2018)

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The Kawasaki KX 450F model is a Cross / motocross bike manufactured by Kawasaki . In this version sold from year 2018 , the dry weight is  and it is equipped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of  and a maximum torque of  . With this drive-train, the Kawasaki KX 450F is capable of reaching a maximum top speed of  . On the topic of chassis characteristics, responsible for road holding, handling behavior and ride comfort, the Kawasaki KX 450F has a Perimeter, aluminium frame with front suspension being Inverted Showa SFF-Air TAC fork with Triple Air Chamber, DLC coated sliders, 22-position compression and 20-position rebound damping adjustment and at the rear, it is equipped with Uni-Trak® linkage system and Showa shock, 19-position low-speed and 4-turns high-speed compression damping, 22-position rebound damping and fully adjustable spring preload . Stock tire sizes are 80/100-21 on the front, and 120/80-19 on the rear. As for stopping power, the Kawasaki KX 450F braking system includes Single disc. Petal disc with 2-piston caliper size 270 mm (10.6 inches) at the front and Single disc. Petal disc with single-piston caliper size 240 mm (9.4 inches) at the back. 

Kawasaki KX 450F General Information

BrandKawasaki 
ModelKawasaki KX 450F 
Start year2018 
Year2018 
CategoryCross / motocross 
Factory Warranty (Years / miles)

Kawasaki KX 450F Dimensions, Aerodynamics and weight

Frame typePerimeter, aluminium 
Seat details
Wheelbase1,495 mm (58.9 inches) 
Length2,195 mm (86.4 inches) 
Width820 mm (32.3 inches) 
Height1,280 mm (50.4 inches) 
Seat Height950 mm (37.4 inches) If adjustable, lowest setting. 
Alternate Seat Height
Ground Clearance335 mm (13.2 inches) 
Trail size127 mm (5.0 inches) 
Wheels details
Front Tyres - Rims dimensions80/100-21 
Rear Tyres - Rims dimensions120/80-19 
Front brakesSingle disc. Petal disc with 2-piston caliper 
Rear brakesSingle disc. Petal disc with single-piston caliper 
Front Brakes Dimensions - Disc Dimensions270 mm (10.6 inches) 
Rear Brakes Dimensions - Disc Dimensions240 mm (9.4 inches) 
Curb Weight (including fluids)108.8 kg (239.8 pounds) 
Dry Weight
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio :
Fuel Tank Capacity6.21 litres (1.64 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front SuspensionInverted Showa SFF-Air TAC fork with Triple Air Chamber, DLC coated sliders, 22-position compression and 20-position rebound damping adjustment 
Front Suspension Travel305 mm (12.0 inches) 
Rear SuspensionUni-Trak® linkage system and Showa shock, 19-position low-speed and 4-turns high-speed compression damping, 22-position rebound damping and fully adjustable spring preload 
Rear Suspension Travel305 mm (12.0 inches) 

Kawasaki KX 450F Engine and Transmission Technical Data

Engine type - Number of cylindersSingle cylinder, four-stroke 
Engine details
Fuel systemInjection. DFI® w/43mm Keihin throttle body 
Engine size - Displacement - Engine capacity449.00 ccm (27.40 cubic inches) 
Bore x Stroke96.0 x 62.1 mm (3.8 x 2.4 inches) 
Compression Ratio12.8:1 
Number of valves per cylinder
Camshaft Valvetrain ConfigurationDouble Overhead Cams/Twin Cam (DOHC) 
Maximum power - Output - Horsepower
Maximum torque
Engine Maximum RPM
Cooling systemLiquid 
Lubrication systemForced lubrication, semi and #8209;dry sump 
Engine oil capacity
Exhaust system
Gearbox5-speed 
Transmission type, final drive ratioChain 
Clutch typeWet multi-disc 
Driveline

Kawasaki KX 450F Performance

Top Speed
Acceleration 0 to 100 km/h (0 to 62 mph)
Acceleration 0 to 400m (1/4 mile)
Recuperation 60 to 140 km/h in highest gear
Fuel Consumption - MPG - Economy - Efficiency
CO2 emissions
Emissions

Kawasaki KX 450F Electrical Systems, Ignition and Equipment

Ignition TypeDigital DC-CDI 
Electrical Details
Starter TypeKick 
Instruments
Lights

How tall (seat height) is a Kawasaki KX 450F?
The Kawasaki KX 450F seat height is 950 mm (37.4 inches) If adjustable, lowest setting.

How many gears does a Kawasaki KX 450F have?
The Kawasaki KX 450F have 5 gears.

Sours: https://www.ultimatespecs.com/motorcycles-specs/kawasaki/kawasaki-kx-450f-2018
2018 Kawasaki KX450F Specs and Price

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