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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
Arctic Cat ZL 440 Snowmobile (1997-2000)
The Arctic Cat ZL 440 snowmobile, produced from 1997 to 2000, was known for its balance of comfort, handling, and reliable performance. It consistently featured a 436cc liquid-cooled twin-cylinder engine throughout these model years. The 1997 model incorporated the Extra Travel Tunnel (ETT) and FasTrack long-travel suspension, providing a plush ride. In 1998, a notable change was introduced with a new body style, moving away from the previous "tub style," and suspension travel was increased. The 1999 and 2000 models continued to refine handling and comfort with features like a wider ski stance and AWS V front suspension, while retaining the 436cc Suzuki engine. No distinct sub-trims like "Deluxe" or "Limited" were explicitly mentioned for this period. FAQ:
Q: Is this part compatible with my Arctic Cat ZL 440?
A: To ensure compatibility, please use the year and edition selector at the top of the page.
Maintenance
| Component | Interval | Details |
| In-line fuel filter | Inspect and replace if necessary | Two-stroke snowmobiles use an oil injection system rather than a traditional engine oil filter. |
| Drive belt | Inspect every 50 hours; typical lifespan of 2,400 to 4,800 km | Check for cracks and tears. Lifespan can vary based on usage. |
| Spark plug | Inspect | Continuous use of a gas/oil mixture can cause spark plug fouling, unless consistently operating in extremely cold conditions. |
| Air filter / Air-intake silencer | Inspect | Check for obstructions during cleaning. |
| Coolant | Replace every two years | Regardless of use. |