Engineered by Sachs for the naked motorcycle segment, the 2006 Sachs Roadster 650 features a 644 cc (39.3 cu in) air-cooled single cylinder, four-stroke configuration.
Rider ergonomics and chassis geometry center around a 740 mm (29.1 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops. The 17-liter (4.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Sachs archive, this model family spans 5 indexed model years from 2001 to 2007, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
740 mm (29.1 in)
Engine
Displacement644.0 ccm (39.30 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Valves/Cylinder4
Fuel SystemCarburettor
Fuel ControlOverhead Cams (OHC)
CoolingAir
Transmission
Final DriveChain (final drive)
Wheels & Brakes
Front Tyre120/70-ZR17
Rear Tyre160/60-ZR17
Front BrakesSingle disc
Front Brake Ø320 mm (12.6 inches)
Rear BrakesSingle disc
Rear Brake Ø220 mm (8.7 inches)
Dimensions & Weight
Seat Height740 mm (29.1 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
