Motocross Bikes
2021Kawasaki KX85-I
35 fields on record
The 2021 Kawasaki KX85-I is the small-wheel version of Kawasaki's junior two-stroke motocross bike. Its liquid-cooled 84cc single drives through a six-speed gearbox and chain. An 830 mm seat, 75 kg wet weight and 5-litre tank suit young racers.
- Capacity
- 84.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Wet weight
- 75.0 kg
- Seat height
- 830 mm
- Power
- Not on record
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How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a sport-touring machine that blends strong high-RPM power and sharp handling with wind protection and cruise control for long-distance capability.
- Built for
- Aggressive and fast-revving with a refined chassis, electronic rider aids, and enough comfort features to cover both weekend blasts and multi-day trips.
- Not ideal for
- Not suitable for off-road use, new riders wanting a light beginner bike, or anyone needing a small, easy-to-handle commuter.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- 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
- Electric CDI w/digital advance
- Lubrication system
- Petrol mix
- Power
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multidisc
Dimensions & weight
- Wheelbase
- 1265 mm
- Overall length
- 1830 mm
- Overall width
- 765 mm
- Overall height
- 1100 mm
- Seat height
- 830 mm
- Wet weight
- 75.0 kg
- Fuel capacity
- 5.00 litres
- Ground clearance
- 290 mm
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- High-tensile steel perimeter design with subframe member
- Front suspension
- 36mm inverted telescopic cartridge fork with 20-way compression damping
- Rear suspension
- Uni-Trak® single shock system with 24-way compression and 21-way rebound damping, plus adjustable spring preload
- Front wheel travel
- 275 mm
- Rear wheel travel
- 275 mm
- Rake (fork angle)
- 29.0°
- Trail
- 97 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 220 mm
- Rear brakes
- Single disc. Dual-piston caliper
- Front tyre
- 70/100-17
- Rear tyre
- 90/100-14
Other
- Color options
- Lime 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 | 2013 | 2018 | 2021 | 2023 | 2026 |
|---|---|---|---|---|---|
| Capacity | 84 cc | 85 cc | 84 cc | 84 cc | 84 cc |
| Seat height | 840 mm | 841 mm | 830 mm | 830 mm | 831 mm |
| Fuel capacity | 5.5 L | 5 L | 5 L | 5 L | 5 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Kawasaki KX85-I?
The 2021 Kawasaki KX85-I has a Capacity of 84.0 ccm (5.13 cubic inches).
How many gears does the Kawasaki KX85-I have?
The 2021 Kawasaki KX85-I has a Gearbox of 6-speed.
How much does the Kawasaki KX85-I weigh?
The 2021 Kawasaki KX85-I has a Wet weight of 75.0 kg (165.3 pounds).
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