Gas Gas Halley 125SM (2009)

The Gas Gas Halley 125SM is a motorcycle released in 2009. Its engine is a two-stroke, single-cylinder with a capacity of 124cc. The cooling system is liquid-cooled, and the compression ratio is unspecified. It has a Keihin PWK carburetor and digital magnetic flywheel Kokusan ignition. It provides a max power of 36.8hp at 10000rpm and a max torque of 25 Nm at 10008rpm. The transmission has six speeds, with final drive by chain.

The frame is a Deltabox type constructed using cromoly, rectangular tubes, and an aluminum swingarm. The front suspension uses a 45mm Marzocchi with wheel travel of 295mm, while the rear suspension is a progressive system with an Ohlins shock absorber and wheel travel of 320mm. The front brakes consist of a single 260mm disc with 2-piston caliper, and the rear brake a single 220mm disc with 1-piston caliper. The front and rear tires have a size of 120/60-17 and 150/60-17 respectively.

The motorcycle has a wheelbase of 1475mm and a seat height of 940mm with ground clearance of 340mm. Its dry weight is 95kg and it has a fuel capacity of 9.5 liters.

Technical specifications:

Make Model: Gas Gas SM 125 Halley

Year: 2009

Engine: Two stroke, single cylinder
Capacity: 124 cc / 7.6 cu-in
Bore x Stroke: 54.5 x 54 mm
Cooling System: Liquid cooled
Compression Ratio:
Induction: Keihin PWK.Carburettor
Ignition: Digital magnetic flywheel Kokusan
Max Power: 36.8 hp / 26.9 kW @ 10000 rpm
Max Torque: 25 Nm / 18.6 lb-ft @ 10008 rpm
Transmission: 6 Speed
Final Drive: Chain
Frame: Deltabox type built using cromoly, rectangular tubes, aluminum swingarm
Front Suspension: 45mm Marzocchi
Front Wheel Travel: 295 mm / 11.6 in
Rear Suspension: Progressive system with ~Ahlins shock absorber

Rear Wheel Travel: 320 mm / 12.6 in
Front Brakes: Single 260mm disc 2 piston caliper
Rear Brakes: Single 220mm disc 1 piston caliper
Front Tyre: 120/60 -17
Rear Tyre: 150/60 -17
Wheelbase: 1475 mm / 58.1 in
Seat Height: 940 mm / 37.0 in
Ground Clearance: 340 mm / 13.4 in
Dry Weight: 95 kg / 209.4 lbs
Fuel Capacity: 9.5 Litres / 2.5US gal

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