Motocross Bikes
2025Kawasaki KX85-I
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The 2025 Kawasaki KX 85-I is a lightweight motocross bike designed for young and amateur riders progressing through competitive off-road racing. Powered by a potent 84cc two-stroke engine with liquid cooling and a six-speed gearbox, it delivers sharp acceleration and agile handling ideal for track performance. Known for its reliability and responsive power delivery, the KX 85-I remains a popular choice for developing rider skills.
- Capacity
- 84.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Wet weight
- 74.6 kg
- Seat height
- 830 mm
- Power
- Not on record
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What’s new for the 2025 Kawasaki KX85-I
vs the 2024| Spec | 2024 | 2025 |
|---|---|---|
| Front suspension | 36mm inverted telescopic cartridge fork with 20-way compression damping | 36mm inverted telescopic cartridge fork with 18-way compression damping |
| Rear suspension | Uni-Trak® single shock system with 24-way compression and 21-way rebound damping, plus adjustable spring preload | Bottom-Link Uni-Trak with adjustable preload, 24-way compression and 21-way rebound damping |
| Rear brakes | Single disc. Dual-piston caliper | Single disc |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists purely for closed-course motocross racing and training, rewarding aggressive riding, throttle control, and clutch use typical of a peaky two-stroke.
- Built for
- Sharp, light, and eager to change direction, it has the classic snappy two-stroke feel that rewards precise inputs and punishes lazy riding.
- Not ideal for
- It is not suitable for adult commuting, highway travel, passengers, or riders seeking comfort and long-distance capability.
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
- 1260 mm
- Overall length
- 1825 mm
- Overall width
- 765 mm
- Overall height
- 1100 mm
- Seat height
- 830 mm
- Wet weight
- 74.6 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 18-way compression damping
- Rear suspension
- Bottom-Link 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
- Front brakes diameter
- 220 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 184 mm
- 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 | 2025 | 2026 |
|---|---|---|---|---|---|---|
| Capacity | 84 cc | 85 cc | 84 cc | 84 cc | 84 cc | 84 cc |
| Seat height | 840 mm | 841 mm | 830 mm | 830 mm | 830 mm | 831 mm |
| Fuel capacity | 5.5 L | 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 2025 Kawasaki KX85-I has a Capacity of 84.0 ccm (5.13 cubic inches).
How many gears does the Kawasaki KX85-I have?
The 2025 Kawasaki KX85-I has a Gearbox of 6-speed.
How much does the Kawasaki KX85-I weigh?
The 2025 Kawasaki KX85-I has a Wet weight of 74.6 kg (164.5 pounds).
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