Naked Motorcycles
2003Sachs Roadster 650
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The 2003 Sachs Roadster 650 is a lightweight naked bike ideally suited for novice and commuter riders seeking an affordable, manageable machine. Its single-cylinder engine delivers modest but accessible performance, while the low seat height and nimble handling make it perfect for urban riding and learning fundamentals on a budget-friendly platform.
- Capacity
- 650.0 ccm
- Engine
- Single
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 154.0 kg
- Seat height
- 740 mm
- Power
- 50.0 HP (36.8 kW) @ 6750 RPM
What’s new for the 2003 Sachs Roadster 650
vs the 2002| Spec | 2002 | 2003 |
|---|---|---|
| Torque | — | 56.0 Nm (5.7 kgf-m or 41.3 ft.lbs) |
| Top speed | 166.0 km/h (103.1 mph) | not listed |
| Dry weight | 165.0 kg (363.8 pounds) | 154.0 kg (339.5 pounds) |
| Wet weight | 169.0 kg (372.6 pounds) | not listed |
| Seat height | 760 mm (29.9 inches) | 740 mm (29.1 inches) |
| Gearbox | 5-speed | not listed |
| Front brakes | Single disc | not listed |
| Rear brakes | Single disc | not listed |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Best suited to everyday street riding, commuting, and weekend fun rather than long-distance travel or serious performance riding.
- Built for
- Delivers the characterful, thumping feel typical of a big single-cylinder engine, with straightforward carbureted mechanics and an air-cooled simplicity that appeals to riders who like unpretentious machines.
- Not ideal for
- Not a good fit for riders seeking high-speed touring, passenger comfort over distance, or off-road capability.
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
- 650.0 ccm
- Power
- 50.0 HP (36.8 kW) @ 6750 RPM
- Torque
- 56.0 Nm (5.7 kgf-m)
- Engine type
- Single
- Power/weight ratio
- 0.3247 HP/kg (dry)
- Bore x stroke
- 100.0 x 82.0 mm
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric
Transmission
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1490 mm
- Seat height
- 740 mm
- Dry weight
- 154.0 kg
- Fuel capacity
- 17.00 litres
- Reserve fuel capacity
- 3.50 litres
Other
- Color options
- Black, Blue
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 | 2001 | 2003 | 2004 | 2006 | 2007 |
|---|---|---|---|---|---|
| Capacity | 644 cc | 650 cc | 650 cc | 644 cc | 644 cc |
| Dry weight | 165 kg | 154 kg | 154 kg | 154 kg | 154 kg |
| Seat height | 760 mm | 740 mm | 740 mm | 740 mm | 732 mm |
| Fuel capacity | 20 L | 17 L | 17 L | 17 L | 17 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Sachs Roadster 650?
The 2003 Sachs Roadster 650 has a Capacity of 650.0 ccm (39.67 cubic inches).
What engine power does the Sachs Roadster 650 have?
The 2003 Sachs Roadster 650 has a Power of 50.0 HP (36.8 kW) @ 6750 RPM.
What is the torque of the Sachs Roadster 650?
The 2003 Sachs Roadster 650 has a Torque of 56.0 Nm (5.7 kgf-m or 41.3 ft.lbs).
How much does the Sachs Roadster 650 weigh?
The 2003 Sachs Roadster 650 has a Dry weight of 154.0 kg (339.5 pounds).
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