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 Polaris SwitchBack 600 Snowmobile
Comet 108EXP Clutch for Polaris SwitchBack 600 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
Polaris SwitchBack 600 Snowmobile (2004-2021)
The Polaris SwitchBack 600 snowmobile, produced from 2004 to 2021, is renowned for its versatility and performance both on and off-trail. It was consistently equipped with a 599cc liquid-cooled, 2-stroke engine. The 600 HO engine, for instance, produced 120 hp in 2006, and later models benefited from the Cleanfire® Injection system for improved throttle response and efficiency. Over the years, the SwitchBack 600 underwent significant evolutions. Around 2006-2007, it adopted the IQ chassis, enhancing handling and front suspension, with track changes (e.g., from 144 to 136 inches on some models). A major generational break occurred around 2016 with the introduction of the AXYS® chassis, which repositioned the rider for better control and flatter cornering, while integrating redesigned PRO-XC™ rear and AXYS® front suspensions, and a notable weight reduction. FAQ:
Q: How can I ensure parts compatibility for my specific model?
R: Use our year and model selector at the top of the page to find the exact parts for your Polaris SwitchBack 600.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | 25 h, 800 km or 1 month (initial); then 800 km or 6 months | Initial service after 25 hours, 800 km, or 1 month (whichever comes first). Thereafter, every 800 km or 6 months. Some guides also suggest 100 hours, 1 000 km, or 12 months. |
| Drive Belt | Before every ride; then 800 km or 6 months | Inspect and adjust drive belt, replace as needed. Remove at end of season for storage. Inspect clutches (bushings, rollers) every 600 hours or 9 700 km. |
| Spark Plugs | 3 200 km or 2 years | Inspect and replace spark plugs as needed. Check condition and tightness before the season. |
| Air Filter | Before every ride; then 25 h, 800 km or 1 month (initial) | Inspect and clean air filter, replace as needed. Ensure proper installation. Inspect and replace as necessary during initial service. |
| Coolant | Before every ride; then 800 km or 6 months; replace every 2 years | Check coolant level. Test strength and inspect for leaks. Pressure test system annually. Replace coolant every 2 years. |
Maintenance intervals may vary slightly by year and model. This information is based on normal use. For maximum accuracy, always consult the owner's manual specific to your snowmobile. For severe use, reduce intervals by 50%.