Supermotos
2009GAS GAS SM 125 Halley
32 fields on record
The 2009 GAS GAS SM 125 Halley is a lightweight super motard designed for novice and intermediate riders seeking agile street and light off-road performance. Its liquid-cooled 124cc single-cylinder engine and nimble 99kg chassis deliver responsive handling and maneuverability ideal for urban commuting and recreational riding.
- Capacity
- 124.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 99.0 kg
- Seat height
- 945 mm
- Power
- 15.0 HP (11.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for flickable, playful supermoto riding on twisty backroads and tight tracks rather than distance or off-road work.
- Built for
- A sharp, lightweight two-stroke supermoto with premium suspension components that rewards an aggressive, engaged riding style.
- Not ideal for
- Not a good fit for riders wanting comfortable long-distance touring, passenger carrying, or serious 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
- 124.0 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1515 HP/kg (dry)
- Bore x stroke
- 54.0 x 54.5 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Digital CDI Multispark.
- Lubrication system
- By fuel mixture.
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multidisc hydraulically operated.
Dimensions & weight
- Wheelbase
- 1460 mm
- Seat height
- 945 mm
- Dry weight
- 99.0 kg
- Wet weight
- 110.0 kg
- Fuel capacity
- 9.50 litres
Chassis & suspension
- Frame
- Type Deltabox made of rectangular profile CrMo.
- Front suspension
- 41 mm upside-down fork
- Rear suspension
- One-piece aluminium swing arm. Ohlins shock absorber.
- Front wheel travel
- 255 mm
- Rear wheel travel
- 246 mm
Brakes & wheels
- Front brakes
- Single disc. 4 pistons caliper
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 100/80-17
- Rear tyre
- 120/70-17
Other
- Color options
- Black
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 | 2009 | 2010 |
|---|---|---|
| Capacity | 124 cc | 124 cc |
| Dry weight | 99 kg | 99 kg |
| Seat height | 945 mm | 945 mm |
| Fuel capacity | 9.5 L | 9.5 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 GAS GAS SM 125 Halley?
The 2009 GAS GAS SM 125 Halley has a Capacity of 124.0 ccm (7.57 cubic inches).
What engine power does the GAS GAS SM 125 Halley have?
The 2009 GAS GAS SM 125 Halley has a Power of 15.0 HP (11.0 kW).
How many gears does the GAS GAS SM 125 Halley have?
The 2009 GAS GAS SM 125 Halley has a Gearbox of 6-speed.
How much does the GAS GAS SM 125 Halley weigh?
The 2009 GAS GAS SM 125 Halley has a Dry weight of 99.0 kg (218.3 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.