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Description
Comet's 8-inch 108 EXP is designed for high horsepower applications up to 150 HP which exceeds the limits of the well-known 7.5 inch Comet 102C. Specifications on the EXP are the same as the familiar 108C. Comet's open faced design has delivered unsurpassed reliability, easy servicing and unlimited tuning capabilities for decades on both stock sleds and on mods. The EXP will handle engagement speeds up to 5000 RPM.
FEATURES
- Wider roller for increased bearing area. Increases durability
- Larger diameter floating cam arm bolt for increased wear resistance
- Uses same tuning parts as 108C
- Built to handle high horsepower engines
- Continual/consistent smooth shifting, after hours of use
- Tried and tested in high horsepower machines
- Weights and springs are not included
Technical Specifications
- MFG. Part Number 217504A
Vehicle Information
Ski-Doo GTX 1200 Snowmobile (2009)
The 2009 Ski-Doo GTX 1200 was a touring snowmobile that marked a significant update for the brand. It featured the newly introduced Rotax 1200 4-TEC engine, a high-performance 1170.7cc, 130-horsepower, three-cylinder, fuel-injected powerplant. This model year also saw the debut of the REV-XR chassis platform, specifically designed to house the larger 4-TEC engine, alongside innovations like SilenTrack for reduced noise. For 2009, the GTX 1200 was available in trims such as the 4-TEC SE (Special Edition) and 4-TEC LE (Limited Edition). The SE package offered premium features like tilt steering, heated seats for both driver and passenger, and the shift-on-the-fly Air Control Rear Suspension (ACS). FAQ:
Q: Is this product compatible with my Ski-Doo GTX 1200?
A: To ensure perfect compatibility, please use the year and edition selector at the top of the page. This will filter products specifically for your model.
Maintenance
| Component | Interval | Details |
| Engine Oil and Filter | Every 3 000 km or 1 year | Initial change recommended at 25 hours of operation. |
| Drive Belt (Inspection) | Every 50 hours | Also inspect if performance feels off. Typical lifespan ranges from 2 400 to 4 800 km depending on riding style. |
| Drive Pulley O-rings | Every 3 000 km or 1 year | Specific to the 1200 4-TEC engine. |
| Spark Plugs | Annually or every 50 hours | Interval based on general 4-stroke snowmobile maintenance practices. |
| Air Filter | Regular inspection | Clean or replace as needed, especially in dusty conditions. No specific interval is detailed in the provided snippets. |
| Coolant | Every 5 years | Check coolant density at storage. Some general guidelines suggest changing every 2 years. |