Kawasaki KX85-II - 2013 Specifications and Reviews

The 2013 Kawasaki KX85-II is a youth-focused motocross machine designed for young riders progressing in competitive off-road racing. Powered by a liquid-cooled 84cc four-stroke engine with reed valve induction, it delivers responsive performance and reliability. The KX85-II is best known for its aggressive styling, sharp handling thanks to its perimeter steel frame, and proven capability as a competitive junior motocross platform.

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General information

CategoryCross / motocross
Year2013
ModelKawasaki KX85-II
 
 

Engine and Transmission Specifications

ClutchWet Multi Disc
Transmission type,final driveChain
Cooling systemLiquid
IgnitionDigital CDI
Fuel systemCarburettor
Bore x stroke48.5 x 45.8 mm (1.9 x 1.8 inches)
Compression10.0:1
Engine detailsReed valve.
Engine typeSingle cylinder, four-stroke
Capacity:84.00 ccm (5.13 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter184 mm (7.2 inches)
Rear brakesSingle disc
Front brakes diameter220 mm (8.7 inches)
Front brakesSingle disc
Rear tyre dimensions90/100-M16
Front tyre dimensions70/100-M19
Rear suspensionBottom-Link Uni-Trak with adjustable
Front suspension36 mm upside-down telescopic fork,
Trail103 mm (4.1 inches)
Rake (fork angle)27.0°
Frame typePerimeter, high-tensile steel
 
 

Physical measures and capacities

Fuel capacity5.50 litres (1.45 gallons)
Wheelbase1,290 mm (50.8 inches)
Overall width735 mm (28.9 inches)
Overall length1,910 mm (75.2 inches)
Overall height1,105 mm (43.5 inches)
Seat height870 mm (34.3 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc71.0 kg (156.5 pounds)

Other specs

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

Performance Profile & Rider Fit

Best For

Track40%
City5%
Cornering60%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a small-wheel motocross machine built for younger or lighter riders progressing through junior competition, not a full-size adult bike.
PurposeIt exists purely for motocross track riding and racing, delivering quick two-stroke power in a compact, lightweight package.
Rider FitIts low seat height and very light 77 kg weight make it manageable for smaller or younger riders, but it is undersized and cramped for a full-grown adult.
CharacterSharp, revvy, and eager two-stroke character with immediate throttle response and a chassis tuned for tight, flickable handling on rough terrain.
Not Ideal ForIt is not suitable for road use, commuting, touring, carrying a passenger, or for taller/heavier adult riders seeking a full-size machine.

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

Rider Fit Visualizer

2013 Kawasaki KX85-II Rider Ergonomics Assessment

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

Feet:

At 870mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2013 Kawasaki KX85-II, with a cramped knee angle of around 75 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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