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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 Expedition 1000 Snowmobile (2005-2006)
The Ski-Doo Expedition 1000, available for the 2005 and 2006 model years, is a robust snowmobile designed for utility and touring. These models were powered by a 989.6cc (often rounded to 995cc) V-Twin, 4-Stroke, SOHC, fuel-injected engine, known for its reliability in various conditions. During this period, the Expedition series saw the introduction of the Expedition TUV V-1000 in 2005, expanding the range of available trims. The Expedition V-1000 and Expedition Sport 550F models largely continued into 2006 with minimal changes, focusing on the established V-1000 four-stroke engine platform. Q: How can I be sure this part fits my specific Ski-Doo Expedition 1000?
A: To guarantee compatibility, please use our year and model selector at the top of the page. This will ensure you find parts specifically designed for your snowmobile's exact configuration.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | Initial: 25 hours. Then: 100 hours or 1 year | Use manufacturer-specified 0W-40 or 5W-40 synthetic oil rated for cold weather. |
| Drive Belt | 2,400 to 4,800 km | Inspect for wear before or after each ride. Clean the clutch periodically. |
| Spark Plugs | At the start of each season or as needed | Replace if the engine misfires, idles roughly, or loses power. |
| Air Filter | At the start of each season | |
| Coolant | Every 2 years | Check level after each ride. Pressure test cooling system annually and inspect coolant strength seasonally. |