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Enduro - Offroad · 2020

WR155R

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MotoLibrary Score
34 /100 Commuter
Power
17 HP
Torque
14 Nm
Engine
155 ccm

2020 Yamaha WR155R Technical Analysis & Specification Breakdown

Positioned in Yamaha's enduro - offroad motorcycle lineup, the 2020 Yamaha WR155R utilizes a 155 cc (9.5 cu in) liquid-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 16.5 HP (12 kW) at 10,000 rpm while maximum torque reaches 14.3 Nm (10.5 lb-ft) at 6,500 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 106.5 HP per liter and a 3,500 rpm working window between peak torque (6,500 rpm) and peak power (10,000 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

The 8.5-liter (2.2 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Yamaha archive, this model family spans 3 indexed model years from 2020 to 2022, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
106.5 HP/L
Power Band Window
6,500–10,000 rpm
Engine
Displacement 155.0 ccm (9.46 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Forward-inclined cylinder
Power 16.5 HP (12.0 kW)) @ 10000 RPM
Torque 14.3 Nm (1.5 kgf-m or 10.5 ft.lbs) @ 6500 RPM
Compression 11.2:1
Bore x Stroke 58.0 x 58.7 mm (2.3 x 2.3 inches)
Fuel System Injection
Fuel Control Single Overhead Cams (SOHC)
Ignition TCI
Lubrication Wet sump
Cooling Liquid
Transmission
Gearbox 6-speed
Final Drive Chain (final drive)
Clutch Wet, multipate
Chassis
Frame Type Steel double cradle
Front Suspension Telescopic forks
Rear Suspension Swingarm, (link suspension), Monoshock
Wheels & Brakes
Front Brakes Single disc. Hydraulic.
Rear Brakes Single disc. Hydraulic.
Dimensions & Weight
Fuel Capacity 8.50 litres (2.25 US gallons)
Other
Starter Electric
Color Options Blue, Black
More from Yamaha
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🌲
Best For
Off-Road & Adventure
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