2014Yamaha XT660X

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The 2014 Yamaha XT660X is a nimble super motard suited for riders seeking affordable fun and everyday practicality. Its liquid-cooled 660cc single-cylinder engine delivers responsive mid-range torque ideal for urban commuting and weekend adventures. Known for its lightweight handling and versatile character, it excels at bridging the gap between street riding and light off-road capability.

Capacity: 660.0 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Dry weight: 177.0 kg
Seat height: 865 mm
Power: 47.3 HP (34.8 kW) @ 6000 RPM

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Other years 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail40%

Cornering85%

City riding70%

Daily riding60%

Touring40%

Two-up35%

Track60%

Best for: Built as a road-focused supermoto, this bike is meant for flicking through tight city streets and attacking twisty backroads rather than long-distance cruising or serious off-road work.
Built for: It suits a playful, corner-hungry rider who values sharp steering, sporty street handling, and a punchy single-cylinder engine over outright top speed or plush comfort.
Not ideal for: It is not a good match for riders seeking a relaxed touring companion, heavy passenger carrying capability, or a highly capable off-road adventure 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?

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Your height

Inseam (optional)

Units

At 865mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with tip-toe one foot on the 2014 Yamaha XT660X, with a relaxed knee angle of around 140 degrees and a forward-leaning 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.

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Full specifications

Engine

Capacity: 660.0 ccm
Power: 47.3 HP (34.8 kW) @ 6000 RPM
Torque: 60.0 Nm (6.1 kgf-m) @ 5250 RPM
Engine type: Single, four-stroke
Power/weight ratio: 0.2672 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: 2175 mm
Overall width: 860 mm
Overall height: 1170 mm
Seat height: 865 mm
Dry weight: 177.0 kg
Wet weight: 186.0 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: 200 mm
Rear wheel travel: 200 mm
Rake (fork angle): 26.0°
Trail: 94 mm

Brakes & wheels

Front brakes: Single disc. Hydraulic
Front brakes diameter: 320 mm
Rear brakes: Single disc. Hydraulic
Rear brakes diameter: 245 mm
Front tyre: 120/70-R17
Rear tyre: 160/60-R17

Other

Color options: Black, white

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	2006	2008	2011	2013	2014	2015
Capacity	660 cc	660 cc	660 cc	660 cc	660 cc	660 cc
Dry weight	165 kg	177 kg	177 kg	177 kg	177 kg	177 kg
Seat height	865 mm	875 mm	865 mm	865 mm	865 mm	865 mm
Fuel capacity	15 L	15 L	15 L	15 L	15 L	15 L