Kawasaki KX85 - 2008 Specifications and Reviews

The 2008 Kawasaki KX85 is a lightweight 84cc motocross machine designed for junior riders and beginners. Featuring a liquid-cooled single-cylinder engine with six-speed transmission and only 65kg dry weight, it delivers nimble handling and manageable power delivery. The KX85 is best known for its proven reliability and accessibility in youth racing programs and recreational riding.

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General information

CategoryCross / motocross
Year2008
ModelKawasaki KX85
 
 

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
IgnitionDigital CDI
Valves per cylinder4
Fuel systemCarburettor. Keihin PWK28
Bore x stroke48.5 x 45.8 mm (1.9 x 1.8 inches)
Compression10.0:1
Stroke2
Engine typeSingle cylinder
Capacity:84.00 ccm (5.13 cubic inches)

Physical measures and capacities

Wheelbase1,255 mm (49.4 inches)
Ground clearance340 mm (13.4 inches)
Overall width734 mm (28.9 inches)
Overall length1,821 mm (71.7 inches)
Overall height1,054 mm (41.5 inches)
Seat height841 mm (33.1 inches) If adjustable, lowest setting.
Dry weight65.0 kg (143.3 pounds)
 
 

Kawasaki KX85 dimensions and frame

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensions90/90-x14
Front tyre dimensions70/70-x17
Rear suspensionUNI-TRAK® single-shock system with 4-way compression and 16-way rebound damping, plus adjustable spring preload / 10.8 in.
Front suspension36mm inverted telescopic cartridge fork with 18-way compression damping / 10.8 in.
Frame typeHigh-tensile steel perimeter design with subframe member

Speed and acceleration

Color optionsLime Green
Fuel capacity5.67 litres (1.50 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering88%
Daily Riding5%
Touring3%
Passenger0%

Rider Profile

Best ForThis is a competition motocross machine built for younger or smaller riders who already have solid off-road fundamentals, not a beginner's first bike.
PurposePurpose-built for motocross track racing and aggressive off-road riding, with a 2-stroke engine tuned for peaky, high-revving power delivery.
Rider FitIts small, lightweight chassis and low seat height suit smaller-statured or younger riders, with the KX85 L offering a slightly taller, more roomy alternative.
CharacterA snappy, high-strung 2-stroke that rewards clutch skill and revs, delivering sharp, flickable handling ideal for tight motocross circuits.
Not Ideal ForNot suitable for taller adult riders, road use, commuting, or anyone wanting a comfortable, low-maintenance everyday bike.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2008 Kawasaki KX85 Rider Ergonomics Assessment

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Feet:

At 841mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2008 Kawasaki KX85, with a cramped knee angle of around 70 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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