Motocross Bikes
2017Yamaha YZ85LW
38 fields on record
The 2017 Yamaha YZ85LW is an entry-level motocross bike designed for young riders transitioning to competitive off-road racing. Known for its manageable power delivery and lightweight aluminum frame, it delivers the agility and reliability needed for developing fundamental dirt bike skills. The bike excels in providing confidence to junior riders on technical terrain.
- Capacity
- 85.0 ccm
- Engine
- Single single, two-stroke
- Gearbox
- 6-speed
- Wet weight
- 73.0 kg
- Seat height
- 904 mm
- Power
- Not on record
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What’s new for the 2017 Yamaha YZ85LW
vs the 2016| Spec | 2016 | 2017 |
|---|---|---|
| Engine capacity | 85.00 ccm (5.19 cubic inches) | 85.0 ccm (5.19 cubic inches) |
| Power | 15.0 HP (estimated - EU/UK A1-licence power-restricted range, ~11kW cap) | not listed |
| Fuel capacity | 5.00 litres (1.32 gallons) | 5.00 litres (1.32 US gallons) |
| Wheelbase | 1,286 mm (50.6 inches) | 1286 mm (50.6 inches) |
| Compression | 8.1:1 | 8.2:1 |
Other years
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
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 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
- 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
- 1286 mm
- Overall length
- 1903 mm
- Overall width
- 757 mm
- Overall height
- 1161 mm
- Seat height
- 904 mm
- Wet weight
- 73.0 kg
- Fuel capacity
- 5.00 litres
- Ground clearance
- 393 mm
- Oil capacity
- 0.50 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Aluminium. Semi double cradle.
- Front suspension
- Upside-down telescopic fork
- Rear suspension
- Swingarm (link suspension)
- Front wheel travel
- 274 mm
- Rear wheel travel
- 282 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
- Rear tyre
- 90/100-16
Other
- Color options
- Blue/White
- Comments
- LW is an abbreviation for Large Wheels.
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 | 2009 | 2013 | 2017 | 2018 | 2022 | 2026 |
|---|---|---|---|---|---|---|
| Capacity | 84.70 ccm (5.17 cubic inches) | 85.00 ccm (5.19 cubic inches) | 85.00 ccm (5.19 cubic inches) | 85.00 ccm (5.19 cubic inches) | 85.0 ccm (5.19 cubic inches) | — |
| Seat height | 864 mm (34.0 inches) | 904 mm (35.6 inches) | 904 mm (35.6 inches) | 904 mm (35.6 inches) | 884 mm (34.8 inches) | 34.8 in |
| Fuel capacity | 5.00 litres (1.32 gallons) | 5.00 litres (1.32 gallons) | 5.00 litres (1.32 gallons) | 5.00 litres (1.32 gallons) | 5.00 litres (1.32 US gallons) | 1.3 gal |
| Color options | Blue | Team Yamaha Blue/White | Blue/White | Blue/White | Team Yamaha Blue | — |
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 2017 Yamaha YZ85LW has a Capacity of 85.0 ccm (5.19 cubic inches).
How many gears does the Yamaha YZ85LW have?
The 2017 Yamaha YZ85LW has a Gearbox of 6-speed.
How much does the Yamaha YZ85LW weigh?
The 2017 Yamaha YZ85LW has a Wet weight of 73.0 kg (160.9 pounds).
Shop this bike
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The 2017 Yamaha YZ85LW is a great choice for any rider looking for a reliable and powerful motocross bike. Its lightweight design and nimble handling make it perfect for navigating tight corners and tackling tough terrain. The 85cc two-stroke engine delivers plenty of power, while the adjustable suspension allows for a smooth and comfortable ride. Whether you're a beginner or a seasoned rider, the YZ85LW offers a high level of performance and versatility.
With its competitive pricing and impressive features, the 2017 Yamaha YZ85LW is a top contender in the motocross bike market. The combination of Yamaha's renowned reputation for reliability and the YZ85LW's superb performance make it a smart investment for anyone looking for a high-quality motocross bike. Whether you're hitting the track or tearing it up on the trails, the YZ85LW is sure to impress with its power, agility, and overall rideability.
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