Comet 108EXP Clutch
03-217504 (MFG #: 217504A)
$584.20
Sale price
$584.20
Regular price
$599.99
Sale
-2%
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Comet 108EXP Clutch for Ski-Doo MXZ 670 Snowmobile
Comet 108EXP Clutch for Ski-Doo MXZ 670 Snowmobile
$584.20
Sale price
$584.20
Regular price
$599.99
Sale
-2%
SKU:03-217504
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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 MXZ 670 Snowmobile (1996-1999)
The Ski-Doo MXZ 670, produced from 1996 to 1999, was a high-performance snowmobile known for its powerful 669cc liquid-cooled Rotax twin engine. This model consistently featured the same engine displacement throughout its production run. The MXZ 670 saw significant evolution during these years. In 1996, the model was introduced with the lighter S chassis, offering improved suspension travel. For the 1999 model year, a major upgrade occurred with the introduction of the all-new ZX chassis, which enhanced handling. Concurrently, the engine was upgraded to the 670 HO (High Output) version, delivering a notable increase in power compared to previous years. The 1999 HO model also incorporated advanced features like the Digital Performance Management (DPM) system for optimized jetting and the Digital Encoded Security System (DESS). The 1999 MXZ 670 HO was a standout model before the 670cc engine was replaced in subsequent years. FAQ:
Q: Will this product fit my Ski-Doo MXZ 670?
A: To ensure perfect compatibility, please use the year and edition selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Oil Filter | Not applicable (2-stroke engine) | This 2-stroke engine does not use a traditional oil filter. Regularly check the 2-stroke injection oil reservoir level before each ride and refill as needed to prevent engine damage. |
| Drive Belt | Every 50 hours | Inspect for wear, cracks, and proper tension. Typical lifespan is 2 400 to 4 800 km, but varies with riding conditions. |
| Spark Plug | Annually | Replace once per season for moderate use. More frequent replacement may be needed for hard riding or racing. |
| Air Filter | Every 11 000 km or as needed | Clean with compressed air or replace. Inspect more frequently in dusty conditions, potentially after every ride. |
| Coolant | Every 2 years | Change with a 50% distilled water and 50% antifreeze solution. Some sources suggest every 5 years for similar models, but 2 years is a common recommendation. |
The intervals provided are general guidelines. Always consult your specific owner's manual for the most accurate and detailed maintenance schedule.