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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 Mach 1 700 Snowmobile (1997-2000)
The Ski-Doo Mach 1 700, produced from 1997 to 2000, is a high-performance snowmobile known for its powerful 699cc triple-cylinder Rotax engine. This model consistently delivered robust performance throughout its production run, making it a popular choice for riders seeking speed and reliability. While the 699cc engine remained constant, a significant platform change occurred in 1998 with the introduction of the CK3 (Competition Kicker 3-cylinder) chassis, replacing the earlier design. The CK3 chassis, combined with the SC-10 rear suspension, provided enhanced stability, especially at high speeds. In 1999 and 2000, a "Mach 1 R" variant was also available, offering additional features. Rotax Electronic Reverse (RER) became an option in 1999. Q: Is this product compatible with my 1998 Mach 1 700?
A: To ensure perfect compatibility, please use our year and model selector at the top of the page. This will confirm the correct parts for your specific Ski-Doo Mach 1 700.
Maintenance
| Component | Interval | Details |
| Oil Reservoir (2-stroke injection system) | Before every ride | Check and refill oil level. Low levels can cause severe engine damage. |
| Drive Belt | Frequently (before/after each ride or every 50 hours) | Inspect for wear (separation, edge damage, glazing). Replace if worn. Average lifespan: 2,400 to 4,800 km. Clean clutch faces annually. |
| Spark Plugs | Regularly | Inspect and replace if dirty or worn. Manual specifies correct type and gap. |
| Air Filter | During pre-season checks or before storage | Inspect. Clean or replace if dirty. |
| Coolant | Check before every ride (cold engine); Replace every 2 years | Ensure sufficient level to prevent overheating. Use manufacturer-specified coolant. |