2015Yamaha XT660R

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The 2015 Yamaha XT660R is a versatile middleweight naked bike designed for riders seeking a capable all-rounder with genuine off-road capability. Its air-cooled parallel-twin engine, responsive handling, and comfortable ergonomics make it ideal for both commuting and light adventure riding. Known for its durability, fuel efficiency, and approachable character, the XT660R appeals to riders transitioning from smaller bikes or exploring unpaved terrain without sacrificing everyday usability.

Capacity: 660.0 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Dry weight: 165.0 kg
Seat height: 875 mm
Power: 47.3 HP (34.6 kW) @ 6000 RPM

⇄ Compare with another bike All model years

Other years 2008 2009 2010 2011 2012 2013 2014 2015

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail75%

Cornering60%

City riding60%

Daily riding55%

Touring40%

Two-up30%

Track25%

Best for: Built primarily as a supermoto-styled enduro for mixed on/off-road use, mixing light dirt capability with sharp street handling.
Built for: A gutsy, characterful big single that rewards momentum-based riding with strong low-end torque and agile, narrow handling.
Not ideal for: Not ideal for riders seeking high-speed touring comfort, plush ride quality, or a smooth two-up passenger experience.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 875mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with tip-toe one foot on the 2015 Yamaha XT660R, with a cramped knee angle of around 75 degrees and a slightly forward riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

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Full specifications

Engine

Capacity: 660.0 ccm
Power: 47.3 HP (34.6 kW) @ 6000 RPM
Torque: 60.0 Nm (6.1 kgf-m) @ 6100 RPM
Engine type: Single, four-stroke
Power/weight ratio: 0.2867 HP/kg (dry)
Bore x stroke: 100.0 x 84.0 mm
Compression: 10.0:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: TCI
Valves per cylinder: 4
Lubrication system: Dry sump

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet, multiple-disc coil spring

Dimensions & weight

Wheelbase: 1505 mm
Overall length: 2240 mm
Overall width: 845 mm
Overall height: 1230 mm
Seat height: 875 mm
Dry weight: 165.0 kg
Wet weight: 181.0 kg
Fuel capacity: 15.00 litres
Ground clearance: 210 mm
Oil capacity: 2.90 litres

Chassis & suspension

Frame: Steel tube, diamond shaped
Front suspension: Telescopic forks
Rear suspension: Linked monoshock with spring preload adjustment
Front wheel travel: 225 mm
Rear wheel travel: 200 mm
Rake (fork angle): 27.0°
Trail: 107 mm

Brakes & wheels

Front brakes: Single disc. Hydraulic
Front brakes diameter: 298 mm
Rear brakes: Single disc. Hydraulic
Rear brakes diameter: 245 mm
Front tyre: 90/90-21
Rear tyre: 130/80-17

Other

Color options: Yamaha Black, Sports White
Comments: A limited power version is available in some countries.

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	2008	2010	2012	2013	2015
Capacity	660 cc	660 cc	660 cc	660 cc	660 cc
Dry weight	172 kg	169 kg	165 kg	165 kg	165 kg
Seat height	865 mm	865 mm	875 mm	875 mm	875 mm
Fuel capacity	15 L	15 L	15 L	15 L	15 L