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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 Skandic 500 Snowmobile (1995-2018)
The Ski-Doo Skandic 500, a renowned utility snowmobile, was produced from 1995 to 2018, known for its robust performance in challenging winter conditions. Initially, the 1995 Skandic 500 featured a durable 497cc Rotax fan-cooled twin engine. Over its production run, the "500" designation evolved, with the 550 Fan engine (553.4cc) becoming prevalent in the mid-2200s for trims like the WT and SUV. By 2018, the Skandic line offered a range of advanced Rotax engines, including the 600 H.O. E-TEC, 900 ACE, and 600 ACE, alongside the 550 Fan, bringing significant advancements in technology and efficiency. The series also saw platform updates, with later models adopting the REV-X and REV® Gen4 platforms, enhancing maneuverability and capability with features like the SC™-5U articulating rear suspension. Trims included the base Skandic 500, WT (Wide Track), SWT (Super Wide Track), 2-Pass, SUV, Sport, and LT, catering to diverse utility needs. Q: How do I ensure I select the correct parts for my Skandic 500?
A: To guarantee a perfect fit, please use the year and model selector at the top of this page. This will filter parts specifically designed for your snowmobile's exact configuration.
Maintenance
| Component | Interval | Details |
| Engine Oil and Filter (4-stroke engine) / Injection Oil (2-stroke engine) | 4-stroke engine: 25 hours (break-in), then every 100 hours or annually, or every 6 400 km. 2-stroke engine: Check before every ride. | For 4-stroke engines, change oil and filter. For 2-stroke engines, check injection oil level and top off as needed. |
| Drive Belt | Inspect before every ride. Replace every 100 hours, every 4 800 km, or every 24 months. | Replace if signs of wear (cracking, fraying). Many riders replace it at the start of each season. |
| Spark Plugs | Annually or at the start of each season. | Inspect and replace for optimal performance. |
| Air Filter | Inspect/clean every 5 hours, every 800 km, or monthly. Replace (dry filters) every 24 000 to 48 000 km. | For snow filters, remove, shake, and dry. Replacement intervals may vary depending on dust levels. |
| Coolant | Check level before every ride. Replace every two years. | Check level when cold. Brake fluid has a similar replacement interval. |