Motocross Bikes
2002Yamaha YZ 85 LW
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The 2002 Yamaha YZ 85 LW is a lightweight motocross machine designed for young and novice riders seeking to develop their skills in competitive off-road racing. Powered by an 84.7cc liquid-cooled single-cylinder engine, it delivers manageable power with an accessible seat height of 902mm and featherweight 69kg dry weight. Known for its responsive handling and nimble performance, the YZ 85 LW remains a popular choice for amateur motocross competitors and training purposes.
- Capacity
- 84.7 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 69.0 kg
- Seat height
- 902 mm
- Power
- Not on record
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How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross racing on closed off-road tracks, note this is the larger-wheel (LW) variant aimed at bigger junior riders stepping up before a full-size bike.
- Built for
- A high-revving, agile, purpose-built racer that rewards aggressive, committed riding and rapid direction changes over jumps and berms.
- Not ideal for
- This is not suitable for road use, commuting, touring, carrying a passenger, or riders looking for a comfortable, low-maintenance everyday 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?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 84.7 ccm
- Engine type
- Single, two-stroke
- Bore x stroke
- 47.5 x 47.8 mm
- Compression
- 8.2:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- CDI
- Valves per cylinder
- 5
- Lubrication system
- Premix
- Power
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiple-disc coil spring
Dimensions & weight
- Wheelbase
- 1278 mm
- Overall length
- 1896 mm
- Overall width
- 758 mm
- Overall height
- 1204 mm
- Seat height
- 902 mm
- Dry weight
- 69.0 kg
- Wet weight
- 71.0 kg
- Fuel capacity
- 5.00 litres
- Ground clearance
- 391 mm
- Oil capacity
- 0.50 litres
Chassis & suspension
- Frame
- Semi-double cradle
- Front suspension
- Telescopic fork
- Rear suspension
- Swinging arm (monocross)
- Front wheel travel
- 275 mm
- Rear wheel travel
- 287 mm
- Rake (fork angle)
- 27.0°
- Trail
- 106 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 220 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 190 mm
- Front tyre
- 70/100-19 42M
- Rear tyre
- 90/100-16 52M
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 | 2003 | 2004 | 2005 | 2006 |
|---|---|---|---|---|---|
| Capacity | 85 cc | 85 cc | 85 cc | 85 cc | 85 cc |
| Dry weight | 69 kg | 69 kg | 69 kg | 69 kg | 66 kg |
| Seat height | 902 mm | 902 mm | 904 mm | 904 mm | 864 mm |
| Fuel capacity | 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 Yamaha YZ 85 LW?
The 2002 Yamaha YZ 85 LW has a Capacity of 84.7 ccm (5.17 cubic inches).
How many gears does the Yamaha YZ 85 LW have?
The 2002 Yamaha YZ 85 LW has a Gearbox of 6-speed.
How much does the Yamaha YZ 85 LW weigh?
The 2002 Yamaha YZ 85 LW has a Dry weight of 69.0 kg (152.1 pounds).
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