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Description
FEATURES
- Reduce the friction dragging down your drivetrain
- Polyurethane roller with 98A durometer harness for long life
- Precision contact sealed bearings keep water and dirt away
- Made in the U.S.A.
Technical Specifications
- MFG. Part Number 79-5008
Vehicle Information
GAS GAS SM 250 Motorcycle - Street (2002-2005)
The GAS GAS SM 250, produced from 2002 to 2005, was a supermotard motorcycle designed primarily for competition. It was powered by a 249cc two-stroke, liquid-cooled, single-cylinder engine, delivering approximately 50 hp and 45 Nm of torque, fed by a 38 mm PWK Keihin carburetor. This model was offered as a single variant within the SM series, without distinct trims for the SM 250 during these years. Throughout its production from 2002 to 2005, the GAS GAS SM 250 remained largely consistent in its core engine and platform. While the broader Gas Gas 2-stroke range saw some updates in 2004 and 2005, such as new settings for Marzocchi forks, Ohlins rear shock updates, and cosmetic changes, these were not noted as specific engine or mid-cycle generation changes for the SM 250 model itself. The fundamental specifications of the SM 250 engine remained unchanged across these model years. FAQ:
Q: How can I be sure this product fits my GAS GAS SM 250?
A: To ensure perfect compatibility, please use the year and edition selector at the top of this page.
Maintenance
| Component | Interval | Details |
| Transmission Oil | Every 10 hours (aggressive/race riding) or 15 hours (recreational riding); or every 1,000 km or annually (general recommendation) | Change after break-in period. Type: SAE 10W30 API SF or SG. Capacity: 900 cc. |
| Spark Plug | Inspect every 13,000 km; replace between 13,000 and 16,000 km. Replace after break-in. | Recommended type: NGK BR8EG. Carbon buildup from slow riding may require a hotter spark plug. |
| Air Filter | Clean/inspect every 5 hours (aggressive/race riding) or 10 hours (recreational riding); or after every long or dusty ride. | Replace if damaged or foam structure is degraded. A clogged filter reduces power and increases fuel consumption. |
| Coolant | Every two years (general recommendation); annually under certain conditions. | Check level when cold; it should be at the bottom of the radiator filler neck. |