Supermotos
2004Yamaha XT 660 X Supermotard
27 fields on record
The 2004 Yamaha XT 660 X is a versatile supermotard that appeals to riders seeking a practical blend of street performance and off-road capability. Powered by a 659cc liquid-cooled twin engine delivering 47 horsepower, it excels at urban commuting and weekend adventures on varied terrain. Known for its lightweight agility, comfortable ergonomics, and genuine dual-sport character, it's ideal for riders wanting honest, manageable performance without unnecessary complexity.
- Capacity
- 659.0 ccm
- Engine
- Parallel Twin
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 173.0 kg
- Seat height
- 875 mm
- Power
- 47.3 HP (34.8 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed for sharp, playful cornering on twisty tarmac and urban streets rather than long-distance cruising or serious off-road work.
- Built for
- A punchy big-bore single-twin motard character with strong torque delivery, sharp street-focused handling, and a raw, minimalist riding experience.
- Not ideal for
- Not ideal for riders seeking plush long-haul comfort, pillion-friendly touring, or genuine off-road capability given its supermoto tyres and firm setup.
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
- 659.0 ccm
- Power
- 47.3 HP (34.8 kW)
- Torque
- 58.4 Nm (6.0 kgf-m)
- Engine type
- Parallel Twin
- Power/weight ratio
- 0.2734 HP/kg (dry)
- Bore x stroke
- 100.0 x 84.0 mm
- Compression
- 10.0:1
- Cooling system
- Liquid
Dimensions & weight
- Wheelbase
- 1485 mm
- Overall length
- 2131 mm
- Overall width
- 860 mm
- Overall height
- 1349 mm
- Seat height
- 875 mm
- Dry weight
- 173.0 kg
- Ground clearance
- 200 mm
Chassis & suspension
- Front suspension
- Telescopic fork, diameter 43mm
- Rear suspension
- Monocross with linkage
- Front wheel travel
- 200 mm
- Rear wheel travel
- 191 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 320 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 245 mm
- Front tyre
- 120/70-17
- Rear tyre
- 160/60-17
Other
- Color options
- Racing blue, Yamaha black
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Yamaha XT 660 X Supermotard?
The 2004 Yamaha XT 660 X Supermotard has a Capacity of 659.0 ccm (40.21 cubic inches).
What engine power does the Yamaha XT 660 X Supermotard have?
The 2004 Yamaha XT 660 X Supermotard has a Power of 47.3 HP (34.8 kW).
What is the torque of the Yamaha XT 660 X Supermotard?
The 2004 Yamaha XT 660 X Supermotard has a Torque of 58.4 Nm (6.0 kgf-m or 43.1 ft.lbs).
How much does the Yamaha XT 660 X Supermotard weigh?
The 2004 Yamaha XT 660 X Supermotard has a Dry weight of 173.0 kg (381.4 pounds).
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