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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 Touring 600 Snowmobile (2000-2006)
The Polaris Touring 600, produced from 2000 to 2006, was a popular snowmobile designed for comfort and reliability on long rides. It consistently featured a liquid-cooled, 599cc/600cc 2-stroke "Liberty" engine, known for its smooth power delivery. While high-performance 600 HO engines were introduced for other models in 2006, the Touring 600 likely maintained its focus on dependable power, potentially adopting the carbureted 600 HO. During its production run, the Touring 600 saw significant platform evolution. Earlier models, such as the 2001 Indy 600 Classic Touring, were built on the Gen II chassis with the Xtra-12 suspension. Around 2004, Polaris transitioned many touring variants to the more advanced EDGE chassis, which offered improved handling and ergonomics. Concurrently, the M-10 rear suspension became prevalent from 2004 to 2006, enhancing ride comfort and load-carrying capacity. These changes represent a notable evolution in the vehicle's design and performance. FAQ:
Q: How do I know which specific Polaris Touring 600 model I have?
A: To ensure you find parts compatible with your snowmobile, please use the year and trim selector at the top of this page. Q: Were there different engine options for the Touring 600?
A: The core 599cc/600cc 2-stroke engine remained consistent, though chassis and suspension saw significant updates. Use the selector to confirm your model's specifications.
Maintenance
| Component | Interval | Details |
| Initial Break-In Service | First 25 hours or 1 month | Engine oil and filter change. Air filter inspection and replacement as necessary. Coolant level and leak check. |
| Engine Oil and Filter | Every 1 600 km | After initial break-in service, an inspection including oil and filter is recommended. |
| Air Filter | With every ride | Inspect, clean, and replace as needed. Ensure proper installation of the filter and airbox cover. Inspect and clean ducts and screens. |
| Drive Belt | Inspect and replace as needed: every 50 hours or 800 km (non-EBS clutch). Replace worn parts: every 600 hours or 9 700 km. | Pre-ride inspection. Check drive belt, bushings, rollers, and wearable parts. |
| Spark Plugs | Every 1 600 km or 100 hours | Recommended gap: 0.70 mm. Typical spark plug type: Champion RN57YCC. |
| Coolant | Replacement: every 5 years (50/50 Extended Life Coolant) or every 2 years (60/40 Coolant). Inspection: seasonally, annually, and pre-ride. | Check fluid level and for leaks. Test strength seasonally and pressure test system yearly. |