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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 Skandic II 377 Snowmobile (1992-1994)
The Ski-Doo Skandic II 377, produced from 1992 to 1994, is a robust utility snowmobile known for its reliability. All models during this period were powered by a consistent Rotax 377 engine, a 368.3 cc twin-cylinder, two-stroke, fan-cooled unit delivering 35 horsepower at 6500 rpm. This engine platform remained unchanged throughout these model years, ensuring consistent performance. The primary trims offered were the Skandic II 377 and the Skandic II 377R, both commonly available in a 2-passenger configuration. There were no significant mid-cycle generation or engine changes reported for the Ski-Doo Skandic II 377 models between 1992 and 1994, meaning the core mechanicals and design remained consistent. FAQ:
Q: How can I be sure this part fits my 1992-1994 Ski-Doo Skandic II 377?
R: To ensure perfect compatibility, please use the year/model selector at the top of the page. This will filter parts specifically designed for your exact snowmobile.
Maintenance
| Component | Interval | Details |
| Oil Injection (2-stroke) | Before every ride | Check reservoir level |
| Chaincase Oil | Check pre-season and every 50 hours; change annually or end of season | |
| Drive Belt | Inspect every 50 hours or if performance feels off | Typical lifespan of 2,500 to 5,000 km depending on riding style. Inspect for wear and damage. |
| Spark Plugs | Start of each season | Replace with fresh spark plugs |
| Air Filter | Check regularly | Replace if dirty |
| Coolant | Check regularly; change every two years |