Motocross Bikes
2026Yamaha YZ85LW
37 fields on record
The 2026 Yamaha YZ85LW is a liquid-cooled 2-stroke designed for young and intermediate off-road riders transitioning to larger bikes. Known for its responsive 85cc engine and nimble handling on varied terrain, it combines manageable power delivery with a lightweight 165-pound chassis. The 34.8-inch seat height and agile wheelbase make it ideal for developing technical skills in motocross and trail riding.
- Capacity
- 85.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 66.0 kg
- Seat height
- 884 mm
- Power
- Not on record
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2027
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It is a dedicated amateur motocross competition bike designed for closed-course tracks, not a general-purpose or road-legal machine.
- Built for
- The 2-stroke engine and lightweight chassis reward an aggressive, high-revving riding style with sharp, flickable handling on jumps and tight turns.
- Not ideal for
- This is not suitable for adult riders, street use, touring, commuting, or anyone seeking a comfortable, low-maintenance everyday vehicle.
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
- 85.0 ccm
- Engine type
- Single, two-stroke
- Bore x stroke
- 47.5 x 47.8 mm
- Compression
- 9.6:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- CDI
- 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
- 1285 mm
- Overall length
- 1895 mm
- Overall width
- 760 mm
- Overall height
- 1176 mm
- Seat height
- 884 mm
- Dry weight
- 66.0 kg
- Wet weight
- 74.8 kg
- Fuel capacity
- 4.90 litres
- Ground clearance
- 361 mm
- Oil capacity
- 0.50 litres
Chassis & suspension
- Frame
- Semi-double cradle
- Front suspension
- KYB Inverted fork; fully adjustable
- Rear suspension
- KYB Single shock; fully adjustable
- Front wheel travel
- 275 mm
- Rear wheel travel
- 287 mm
- Rake (fork angle)
- 26.0°
- Trail
- 99 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
- Rear tyre
- 90/100-16
Specs last verified against published sources: .
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 | 2008 | 2015 | 2021 | 2026 | 2027 |
|---|---|---|---|---|---|---|
| Capacity | 85 cc | 85 cc | 85 cc | 85 cc | 85 cc | 85 cc |
| Dry weight | 69 kg | 66 kg | 66 kg | 66 kg | 66 kg | 66 kg |
| Seat height | 902 mm | 864 mm | 904 mm | 904 mm | 884 mm | 884 mm |
| Fuel capacity | 5 L | 5 L | 5 L | 5 L | 4.9 L | 4.9 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 YZ85LW?
The 2026 Yamaha YZ85LW has a Capacity of 85.0 ccm (5.19 cubic inches).
How many gears does the Yamaha YZ85LW have?
The 2026 Yamaha YZ85LW has a Gearbox of 6-speed.
How much does the Yamaha YZ85LW weigh?
The 2026 Yamaha YZ85LW has a Dry weight of 66.0 kg (145.5 pounds).
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