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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 Z 570 Snowmobile (2002-2007)
The Arctic Cat Z 570 snowmobile, produced from 2002 to 2007, was a popular model known for its reliable 565cc, fan-cooled, 2-stroke engine. Built on the robust Gen-3 ZR chassis, it offered consistent performance and handling throughout its production run. While the core 565cc engine and chassis remained largely consistent, a notable update occurred in 2007 with the introduction of the 570 Gen II engine, designed for reduced emissions. Trim levels evolved, with the Z 570 ESR (Electric Start and Reverse) available in early years (2002-2003), and the Z 570 LX, offering similar features, becoming available from 2004 to 2007. Q: How do I ensure this part fits my Arctic Cat Z 570?
A: To confirm compatibility, please use the year and edition selector at the top of this page. This will ensure you find parts specific to your snowmobile's exact configuration.
Maintenance
| Component | Interval | Details |
| Drive Belt | 40 km (initial break-in), then regular inspection | Break-in at 3/4 throttle maximum. Inspect for wear and damage. Drive clutch and driven pulley disassembly, cleaning, and inspection every 1 300 km by a dealer. |
| Spark Plug | Regular inspection | Inspect, replace, or gap as necessary. Recommended gap: 0.7-0.8 mm. |
| Air Filter | Regular inspection | Replace as necessary. Check air intake silencer/air filter for obstructions. |
| Coolant System | Regular inspection | Inspect the cooling system. |
| 2-stroke Engine Oil Level | Regular inspection | Check and top up 2-stroke engine oil level as needed. |