Naked Motorcycles
2002Sachs Roadster 650
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The 2002 Sachs Roadster 650 is a lightweight naked bike powered by a 644cc single-cylinder engine producing 50 horsepower, making it ideal for novice and intermediate riders seeking an affordable, manageable motorcycle. Its relatively low 760mm seat height and modest 169kg weight emphasize accessibility and easy handling. Best known for offering reliable everyday commuting and casual riding at an economical price point.
- Capacity
- 644.0 ccm
- Engine
- Single
- Gearbox
- 5-speed
- Dry weight
- 165.0 kg
- Seat height
- 760 mm
- Power
- 50.0 HP (36.8 kW) @ 6750 RPM
What’s new for the 2002 Sachs Roadster 650
vs the 2001| Spec | 2001 | 2002 |
|---|---|---|
| Torque | 56.0 Nm (5.7 kgf-m or 41.3 ft.lbs) | not listed |
| Top speed | 170.0 km/h (105.6 mph) | 166.0 km/h (103.1 mph) |
| Fuel capacity | 20.00 litres (5.28 US gallons) | 17.00 litres (4.49 US gallons) |
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
- 644.0 ccm
- Power
- 50.0 HP (36.8 kW) @ 6750 RPM
- Engine type
- Single
- Power/weight ratio
- 0.3030 HP/kg (dry)
- Bore x stroke
- 100.0 x 82.0 mm
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric
- Valves per cylinder
- 4
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 166.0 km/h (103.1 mph)
Dimensions & weight
- Wheelbase
- 1490 mm
- Seat height
- 760 mm
- Dry weight
- 165.0 kg
- Wet weight
- 169.0 kg
- Fuel capacity
- 17.00 litres
- Reserve fuel capacity
- 3.00 litres
Chassis & suspension
- Front wheel travel
- 120 mm
- Rear wheel travel
- 120 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 320 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 120/70-R17 58H
- Rear tyre
- 160/60-R17 69H
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 | 2002 | 2003 | 2004 | 2006 | 2007 |
|---|---|---|---|---|---|---|
| Capacity | 644 cc | 644 cc | 650 cc | 650 cc | 644 cc | 644 cc |
| Dry weight | 165 kg | 165 kg | 154 kg | 154 kg | 154 kg | 154 kg |
| Seat height | 760 mm | 760 mm | 740 mm | 740 mm | 740 mm | 732 mm |
| Fuel capacity | 20 L | 17 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 2002 Sachs Roadster 650 has a Capacity of 644.0 ccm (39.30 cubic inches).
What engine power does the Sachs Roadster 650 have?
The 2002 Sachs Roadster 650 has a Power of 50.0 HP (36.8 kW) @ 6750 RPM.
How many gears does the Sachs Roadster 650 have?
The 2002 Sachs Roadster 650 has a Gearbox of 5-speed.
How much does the Sachs Roadster 650 weigh?
The 2002 Sachs Roadster 650 has a Dry weight of 165.0 kg (363.8 pounds).
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