GAS GAS SM 515 Supermotard - 2008 Specifications and Reviews

The 2008 GAS GAS SM 515 Supermotard is a lightweight, agile machine designed for riders seeking nimble urban performance and playful handling characteristics. Powered by a 124cc liquid-cooled four-stroke single-cylinder engine with fuel injection, it excels in tight city environments and twisty roads where its compact dimensions and responsive nature shine. Known for its approachable character and fun-focused nature, this supermotard appeals to both novice and experienced riders who prioritize maneuverability over raw power.

2008
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General information

CategorySuper motard
Year2008
ModelGAS GAS SM 515 Supermotard
 
 

Engine and Transmission Specifications

ClutchMultidisc in oil bath, hydraulically operated.
Gearbox6-speed
Cooling systemLiquid
Lubrication systemBy fuel mixture.
IgnitionIntegrated in the injection system.
Fuel systemInjection
Bore x stroke97.0 x 60.8 mm (3.8 x 2.4 inches)
Engine typeSingle cylinder, four-stroke
Capacity:124.00 ccm (7.57 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesSingle disc
Rear tyre dimensions120/80-19
Front tyre dimensions90/90-21
Rear suspensionOne-piece aluminium swing arm, progressive system,
Front suspension45 mm upside-down fork, 290 mm travel.
Frame typeDeltabox* built with elliptic profile CR / Mo tubing.
 
 

Physical measures and capacities

Wheelbase1,465 mm (57.7 inches)
Ground clearance310 mm (12.2 inches)
Seat height900 mm (35.4 inches) If adjustable, lowest setting.
Dry weight119.0 kg (262.4 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

4.2s
0-60 mph (est.)

Best For

Track88%
City75%
Cornering96%
Daily Riding45%
Touring20%
Passenger25%

Rider Profile

Best ForBest suited to experienced riders who are comfortable with a light, punchy, single-cylinder machine that demands active input.
PurposeBuilt for sharp cornering, supermoto-style track days, and tight technical roads rather than long-distance travel.
Rider FitThe tall 900mm seat height and minimal weight favor taller or more confident riders who can manage a top-heavy stance at stops.
CharacterA raw, aggressive, flickable machine that rewards an assertive riding style and thrives on throttle-brake precision.
Not Ideal ForNot a good fit for riders seeking plush comfort, passenger-friendly touring, or long highway commuting.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2008 GAS GAS SM 515 Supermotard Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 900mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2008 GAS GAS SM 515 Supermotard, with a relaxed knee angle of around 145 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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