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Naked Motorcycles

2007Sachs Roadster 650

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The 2007 Sachs Roadster 650 is a lightweight naked bike ideal for beginner and intermediate riders seeking an affordable, manageable platform. Its air-cooled single-cylinder engine delivers accessible performance while the 169 kg wet weight ensures easy handling and control. Known for straightforward reliability and budget-friendly ownership, it suits riders prioritizing practical commuting and weekend enjoyment over raw power.

Capacity
644.0 ccm
Engine
Single
Gearbox
5-speed
Dry weight
154.0 kg
Seat height
732 mm
Power
70.8 HP (52.1 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2007 Sachs Roadster 650

vs the 2006
Spec20062007
Seat height 740 mm (29.1 inches) 732 mm (28.8 inches)
Other years 2001 2002 2003 2004 2005 2006 2007

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 35Agility 72Comfort 55Off-road 15Touring 35Road manners 68
Off-road & trail15%
Cornering65%
City riding70%
Daily riding65%
Touring35%
Two-up30%
Track30%
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 us
At 732mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2007 Sachs Roadster 650, with a moderate knee angle of around 115 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 750 mm or under — Short Kings →

Find bikes that fit your height →

Full specifications

Engine
Capacity
644.0 ccm
Power
70.8 HP (52.1 kW)
Engine type
Single
Power/weight ratio
0.4597 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
Dimensions & weight
Wheelbase
1490 mm
Seat height
732 mm
Dry weight
154.0 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
316 mm
Rear brakes
Single disc
Rear brakes diameter
220 mm
Front tyre
120/70-ZR17
Rear tyre
160/60-ZR17
Other
Color options
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 20012003200420062007
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.

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Common questions

What is the engine size of the Sachs Roadster 650?

The 2007 Sachs Roadster 650 has a Capacity of 644.0 ccm (39.30 cubic inches).

What engine power does the Sachs Roadster 650 have?

The 2007 Sachs Roadster 650 has a Power of 70.8 HP (52.1 kW).

How many gears does the Sachs Roadster 650 have?

The 2007 Sachs Roadster 650 has a Gearbox of 5-speed.

How much does the Sachs Roadster 650 weigh?

The 2007 Sachs Roadster 650 has a Dry weight of 154.0 kg (339.5 pounds).

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