Kawasaki KX 85 Monster Energy - 2010 Specifications and Reviews

The 2010 Kawasaki KX 85 Monster Energy is a lightweight motocross machine designed for young and developing riders seeking competitive performance. Powered by an 84cc two-stroke single-cylinder engine with digital CDI ignition and liquid cooling, it delivers sharp throttle response and agile handling through its high-tensile steel perimeter frame. The bike is best known for its reliability and nimble characteristics on amateur racing circuits and off-road terrain.

2010
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General information

CategoryCross / motocross
Year2010
ModelKawasaki KX 85 Monster Energy

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
IgnitionDigital CDI
Fuel systemCarburettor. Keihin PWK28
Bore x stroke48.5 x 45.8 mm (1.9 x 1.8 inches)
Compression10.0:1
Engine typeSingle cylinder, two-stroke
Capacity:84.00 ccm (5.13 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensions90/90-14
Front tyre dimensions70/100-17
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.
Rake (fork angle)27.0°
Frame typeHigh-tensile steel perimeter design with subframe member
 
 

Physical measures and capacities

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.
Weight incl. oil, gas, etc69.0 kg (152.1 pounds)

Other specs

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

Performance Profile & Rider Fit

Best For

Track70%
City5%
Cornering80%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a small-wheel 85cc motocross machine built specifically for younger or smaller riders progressing through junior racing ranks, not for adult beginners.
PurposeIt exists purely for competitive amateur motocross and off-road racing, designed to build race craft before stepping up to full-size 125cc+ machines.
Rider FitIts low seat height, compact dimensions, and light overall weight make it manageable for smaller-statured or younger riders rather than full-size adults.
CharacterThe two-stroke single delivers a peaky, high-revving power delivery that rewards aggressive clutch and throttle work with sharp, flickable handling on rough terrain.
Not Ideal ForIt is not suitable for road use, daily commuting, passengers, or larger adult riders seeking a general-purpose motorcycle.

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

Rider Fit Visualizer

2010 Kawasaki KX 85 Monster Energy Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 841mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2010 Kawasaki KX 85 Monster Energy, with a cramped knee angle of around 70 degrees and a slightly forward riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). 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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