Supermotos
2003KTM 660 Supermoto Factory Replica
28 fields on record
The 2003 KTM 660 Supermoto Factory Replica is a versatile single-cylinder machine that excels for riders seeking authentic off-road performance with streetable character. Its potent 654cc four-stroke engine delivers 72 horsepower through a five-speed chain drive, while advanced WP suspension provides excellent control across varied terrain. Best known for combining genuine enduro capability with aggressive styling and reliability.
- Capacity
- 654.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 114.0 kg
- Seat height
- 915 mm
- Power
- 72.0 HP (53.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built almost purely for supermoto thrills: flicking between tight corners on tarmac with occasional forays onto light dirt.
- Built for
- A raw, single-cylinder hooligan bike that rewards aggressive, playful riding with immediate, visceral feedback through the chassis and engine.
- Not ideal for
- Not suited to riders seeking a comfortable long-distance tourer, a relaxed daily commuter, or a beginner-friendly first bike.
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
- 654.0 ccm
- Power
- 72.0 HP (53.0 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.6316 HP/kg (dry)
- Bore x stroke
- 102.0 x 80.0 mm
- Compression
- 12.5:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Valves per cylinder
- 4
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1510 mm
- Seat height
- 915 mm
- Dry weight
- 114.0 kg
- Fuel capacity
- 5.50 litres
- Ground clearance
- 290 mm
Chassis & suspension
- Front suspension
- WP-USD 48 Multi Adjuster
- Rear suspension
- WP - Monoshock Super Moto Spezial
- Front wheel travel
- 280 mm
- Rear wheel travel
- 290 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 320 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 120/60-17
- Rear tyre
- 165/55-17
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 KTM 660 Supermoto Factory Replica?
The 2003 KTM 660 Supermoto Factory Replica has a Capacity of 654.0 ccm (39.91 cubic inches).
What engine power does the KTM 660 Supermoto Factory Replica have?
The 2003 KTM 660 Supermoto Factory Replica has a Power of 72.0 HP (53.0 kW).
How many gears does the KTM 660 Supermoto Factory Replica have?
The 2003 KTM 660 Supermoto Factory Replica has a Gearbox of 5-speed.
How much does the KTM 660 Supermoto Factory Replica weigh?
The 2003 KTM 660 Supermoto Factory Replica has a Dry weight of 114.0 kg (251.3 pounds).
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