Motocross Bikes

2015Kawasaki KX85-II

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The 2015 Kawasaki KX85-II is an entry-level motocross bike engineered for young riders transitioning from smaller displacement machines. Known for its lightweight 77kg frame, responsive handling, and adjustable suspension that accommodates growing riders, it delivers reliable performance on amateur circuits and recreational tracks. The machine balances power delivery with nimble maneuverability, making it a proven stepping stone in competitive youth motocross.

Capacity: 84.0 ccm
Engine: Single, two-stroke
Gearbox: 6-speed
Dry weight: 68.0 kg
Seat height: 870 mm
Power: Not on record
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What’s new for the 2015 Kawasaki KX85-II

vs the 2014

Spec	2014	2015
Compression	10.0:1	10.9:1

Other years 2002 2003 2004 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail95%

Cornering60%

City riding5%

Daily riding5%

Touring5%

Two-up0%

Track40%

Best for: It exists purely for motocross track riding and racing, delivering quick two-stroke power in a compact, lightweight package.
Built for: Sharp, revvy, and eager two-stroke character with immediate throttle response and a chassis tuned for tight, flickable handling on rough terrain.
Not ideal for: It is not suitable for road use, commuting, touring, carrying a passenger, or for taller/heavier adult riders seeking a full-size machine.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 870mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2015 Kawasaki KX85-II, with a cramped knee angle of around 75 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

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Full specifications

Engine

Capacity: 84.0 ccm
Engine type: Single, two-stroke
Bore x stroke: 48.5 x 45.8 mm
Compression: 10.9:1
Cooling system: Liquid
Fuel system: Carburettor
Starting: Kick
Ignition: CDI
Lubrication system: Pre-mix (32
Power: Not on record - add it

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet Multi Disc, manual

Dimensions & weight

Wheelbase: 1310 mm
Overall length: 1920 mm
Overall width: 765 mm
Overall height: 1150 mm
Seat height: 870 mm
Dry weight: 68.0 kg
Wet weight: 77.0 kg
Fuel capacity: 5.00 litres
Ground clearance: 335 mm

Chassis & suspension

Frame: Perimeter, high-tensile steel
Front suspension: 36 mm inverted telescopic fork with 20-way compression damping
Rear suspension: Uni-Trak with adjustable preload, 24-way compression and 21-way rebound damping
Front wheel travel: 275 mm
Rear wheel travel: 275 mm
Rake (fork angle): 29.0°
Trail: 97 mm

Brakes & wheels

Front brakes: Single disc. Two-piston calipers.
Front brakes diameter: 220 mm
Rear brakes: Single disc. Single-piston caliper.
Rear brakes diameter: 184 mm
Front tyre: 70/100-19
Rear tyre: 90/100-16

Other

Color options: Green

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2002	2010	2015	2016	2021	2027
Capacity	84 cc	84 cc	84 cc	84 cc	84 cc	84 cc
Dry weight	68 kg	68 kg	68 kg	68 kg	68 kg	68 kg
Seat height	870 mm	870 mm	870 mm	870 mm	870 mm	865 mm
Fuel capacity	5.5 L	5.5 L	5 L	5 L	5 L	5 L