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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 800 Snowmobile (2005-2007)
The Ski-Doo GTX 800 (2005-2007) is a luxury touring snowmobile, consistently powered by the robust 800 H.O. PowerTEK engine and built on the reliable REV chassis. These models were primarily offered in the "Limited" trim, designed for comfort and extended rides. The GTX 800 Limited featured amenities such as a 2+1 seat configuration for up to three people, lockable semi-rigid saddlebags, and an upgraded shock package that automatically adjusted ride height, enhancing the touring experience. The 800 H.O. PowerTEK engine, with displacements around 799-800 cc, delivered an estimated 140-150 horsepower, providing ample power for its class. There were no significant mid-cycle generation or engine changes for the Ski-Doo GTX 800 within the 2005 to 2007 model years. The REV chassis remained the foundational platform, and the 800 H.O. PowerTEK engine maintained consistent specifications throughout this period, ensuring a uniform experience across these model years. FAQ:
Q: How do I ensure I'm selecting the correct parts for my Ski-Doo GTX 800?
R: Always use the year and trim selector on this page to confirm compatibility.
Maintenance
| Component | Interval | Details |
| Oil (2-stroke engine) | Before every ride | Check oil reservoir level. |
| Drive Belt | Every 50 hours or as needed | Inspect the belt. Typical lifespan: 2,400 to 4,800 km depending on riding style. Clean belt dust from clutch faces annually. |
| Spark Plugs | As needed | Inspect and replace if excessively dirty or worn. |
| Coolant | Before every ride (level); Every 2 years (change) | Check level when engine is cold. Change fluid every 2 years. |
| Air Filter | Annually or pre-season | Check and clean or replace. (General recommendation, not specific to GTX 800 in provided sources). |