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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 125 Motorcycle - Street (2002-2009)
The GAS GAS SM 125, produced from 2002 to 2009, is an iconic supermoto motorcycle, known for its lightweight design and performance. Powered by a 124cc two-stroke single-cylinder engine, it was engineered to deliver a dynamic riding experience, whether on the track or for sporty road use. During its production run, the SM 125 series underwent a notable evolution. Models from 2002 to 2008, including the 2008 SM 125 Supermotard, were primarily competition-oriented, featuring approximately 37 horsepower and a 38 mm Keihin carburetor. However, in 2009, GAS GAS introduced the SM 125 Halley. While still retaining the 124cc two-stroke engine, this version was distinctly more road-oriented, with a reduced output of 15 horsepower, a smaller 27 mm carburetor, separate lubrication, and an electronic pump. This change marked a significant shift, adapting the motorcycle for more versatile and less extreme use. FAQ:
Q: How can I ensure this part fits my GAS GAS SM 125?
R: To guarantee compatibility, please use our year and model selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Transmission (Gearbox) Oil | Every 5 to 15 hours, 500 to 1,000 km, or annually | Shorter interval (5-10 h) for aggressive/race riding. Longer interval (10-15 h) for recreational riding. Change more frequently if clutch is heavily used. |
| Oil Filter | Not applicable | 2-stroke engines typically do not have a traditional engine oil filter. Lubrication system maintenance is covered by transmission oil changes. |
| Air Filter | Clean every 5 to 10 hours | Clean every 5 hours for aggressive/race riding, every 10 hours for recreational riding. Inspect and replace if damaged. |
| Spark Plug | Every 30 hours | Inspect and clean after each race (competition use). Replace every 3 races (competition use). |
| Coolant | Annually or every 19,000 to 38,500 km | Check level regularly. |
| Belt | Not applicable | The GAS GAS SM 125 is a chain-driven motorcycle and does not use a belt. |