Gas Gas SM250: history, specs, pictures
The Gas Gas SM 250 was a liquid-cooled, two-stroke, single cylinder Supermotard motorcycle produced by Gas Gas in 2002. Max torque was 17.7 ft/lbs (24.0 Nm) @ 1000 RPM. Claimed horsepower was 37.01 HP (27.6 KW) @ 1000 RPM.
Gas Gas SM 250 | |
Manufacturer | |
---|---|
Production | 2002 - 2004 |
Class | Supermotard |
Engine | liquid-cooled, two-stroke, single cylinder |
Bore / Stroke | 66.4mm x 72.0mm |
Horsepower | 48.81 HP (36.4 KW) @ 8699RPM |
Torque | 33.63 ft/lbs (45.6 Nm) @ 7628RPM |
Fuel System | 38mm Keihin PWK carburetor |
Transmission | Gear box: 6-speed, manual Final Drive: chain |
Frame | Deltabox type built using cromoly, rectangular tubes, aluminum swingarm |
Suspension | Front: 45mm Marzocchi upside-down telescopic fork Rear: Ohlins monoshock with progressive linkage |
Brakes | Front: single 300mm disc, 4-piston caliper Rear: single 220mm disc, 1-piston caliper |
Front Tire | 120/60-17 |
Rear Tire | 150/60-17 |
Wheelbase | 1476 mm / 58.1 in |
Seat Height | 945 mm / 37.2 in |
Weight | 102 kg / 225 lbs (dry), |
Fuel Capacity | 9.5 Liters / 2.5 US gal |
Manuals | Service Manual |
EngineEdit
A 66.0mm bore x 66.0mm stroke result in a displacement of just 249.0 cubic centimeters.
DriveEdit
The bike has a 6-speed, manual transmission. Power was moderated via the wet multi-disc, manual.
ChassisEdit
It came with a 120/60 -17 front tire and a 150/60 -17 rear tire. Stopping was achieved via single 300mm disc, 4-piston caliper in the front and a single 220mm disc, 1-piston caliper in the rear. The front suspension was a 45mm Marzocchi upside-down telescopic fork while the rear was equipped with a Ohlins monoshock with progressive linkage.
2002 Gas Gas SM 250Edit
The 2002 MY Gas Gas SM 250 has, at its heart, a liquid-cooled, two-stroke, 249cc, single cylinder powerplant that was mated to a six-speed manual transmission with a chain final drive, and can produce a claimed 37 horsepower and 25 Nm of torque.
In addition, it has been fitted with a 45mm Marzocchi upside-down telescopic front fork, an Ohlins monoshock in the rear with a progressive system, a steel frame with an aluminum swingarm, front and rear disc brakes, a digital instrumentation panel, a single seat, an under-seat mounted exhaust system and a race-inspired livery.
PhotosEdit
SpecificationsEdit
Make Model | Gas Gas SM 250 |
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Year | 2002 |
Engine Type | Two stroke, single cylinder |
Displacement | 249 cc / 15.2 cu-in |
Bore X Stroke | 66.4 x 72 mm |
Cooling System | Liquid cooled |
Lubrication | 2.5% mixture |
Induction | 38mm Keihin PWK Carburettor |
Ignition | Kokusan digital CDI |
Starting | Kick |
Max Power | 49.8 hp / 39.1 kW @ 8699 rpm |
Max Torque | 45.4 Nm / 33.5 lb-ft @ 7628 rpm |
Clutch | Hydraulic multidisc. |
Transmission | 6 Speed |
Final Drive | Chain |
Frame | Deltabox type built using cromoly, rectangular tubes, aluminum swingarm |
Front Suspension | 45mm Upside-down Marzocchi fork |
Front Wheel Travel | 295 mm / 11.6 in |
Rear Suspension | Progressive system with Öhlins shock absorber |
Rear Wheel Travel | 310 mm / 12.2 in |
Front Brakes | Single 260mm disc 1 piston caliper |
Rear Brakes | Single 220mm disc 1 piston caliper |
Front Tire | 120/60 -17 |
Rear Tire | 150/60 -17 |
Wheelbase | 1476 mm / 58.1 in |
Seat Height | 945 mm / 37.2 in |
Ground Clearance | 340 mm / 13.4 in |
Dry Weight | 102 kg / 225 lbs |
Fuel Capacity | 9.5 Liters / 2.5 US gal |