2021 KX85-II


KX85-II right facing

KX85-II The Bike that Champions Ride

The KX85-II (big wheel) motorcycle brings Kawasaki's proven performance to the amateur ranks. Proportionate power of the 84cc engine and race-ready technology grant young racers the championship-winning advantage they need to sharpen their skills.



2021 KX85-II front fork

Front Fork

36mm inverted cartridge fork features adjustable compression damping, enabling excellent tuning throughout the impressive 27.5cm of travel.

Front and Rear Petal Disc Brakes

For the ultimate in style, the KX85-II features petal shaped discs just like the full size KX250 and KX450 models. A 220mm disc at the front and 184mm at the rear provide massive stopping power.

Rear Suspension

The Uni-Trak rear suspension is stable and versatile with a fully-adjustable KYB shock, also featuring 27.5cm of travel. Black spring and green anodized adjusters add to the factory look.

KX85-II Flat Seat

Slim Design

The bodywork, flat seat, slim fuel tank and low fuel cap are designed to make it easier transitioning from the front to the rear of the motorcycle.­

Powerful 2-Stroke Engine

High-performance 84cc two-stroke engine produces crisp, responsive power and offers proven durability to finish each ride with confidence. 

KX85-II partial side image


Styled after the full-size KX250/KX450 models, the KX85 features sleek, aggressive bodywork designed for stunning, aggressive looks. 

Large Radiator for Extra Cooling

The KX85’s radiator has been built to work hand in hand with the power output. Keeping it all cool when the racing action is getting hot.

KX85-II bars

6-Way Adjustable Handlebar Position

KX85 motorcycles grow with your young racer. Featuring six-position adjustable handlebar mounts; 2-position forward-backward adjustment while optional spacers allow 3-positions of height adjustment.

6-Speed Transmission

The KX’s smooth-shifting six-speed transmission offers a positive shifting action along with rugged durability thanks to hard chromed shift forks and new bushings added to the second, third and fourth gears on the output shaft.

Kawasaki Integrated Power Valve System

The KIPS system varies exhaust port height for increased horsepower and torque. 

Style and Flair

The slim bodywork and racy graphics ensure the KX85-II will look good in the winners’ circle. Black alumite rims, black fork guards, black rear spring and green anodised finish on the suspension adjusters further strengthen their factory image.


Pull-type clutch actuation for smooth operation and easy maintenance. 


KX85 - Available in 2 Sizes

A fit for everyone. Riders can choose from two available sizes: the KX85-II feature 19” front and 16” rear wheels; the KX85 is equipped with a 17” front and 14” rear. The small wheels from the KX85 can be fitted to the KX85-II.

KX85-II left facing
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KX85-II  (KX85D)

Engine TypeLiquid-cooled, 2-stroke Single
Displacement84 cm³
Bore x Stroke48.5 x 45.8 mm
Compression RatioLow speed 10.9:1, High speed 9.0:1)
Valve SystemPiston reed valve
Fuel SystemCarburettor: Keihin PWK 28
IgnitionDigital CDI
StartingPrimary Kick
Transmission6-speed, return
ClutchWet multi-disc, manual
FramePerimeter, high-tensile steel
Wheel travel - front275 mm
Wheel travel - rear275 mm
Tyre Size-front70/100-19 (42M)
Tyre Size-rear90/100-16 (52M)
Suspension - frontø36 mm inverted telescopic with fork 20-way compression damping 
Suspension - rearBottom-Link Uni-Trak with adjustable spring preload, 24-way compression and 21-way rebound 
Brakes - frontSingle 220 mm petal disc with dual-piston caliper
Brakes - rearSingle 184 mm petal disc with single piston caliper
L x W x H1,920 x 765 x 1,150 mm
Wheelbase1,310 mm
Ground Clearance330 mm
Seat height870 mm
Fuel capacity5.0 litres
Curb Mass77.0 kg (includes full fuel tank, all fluids at optimum levels)
ColourLime Green
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