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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 MXZ 700 Snowmobile (1999-2003)
The Ski-Doo MXZ 700, produced from 1999 to 2003, is a performance snowmobile renowned for its handling and power. It featured a liquid-cooled Rotax twin-cylinder engine, with a displacement ranging from 697cc to 699cc, delivering robust performance. Starting in 1999, this model introduced the lightweight ZX chassis, praised for its agile handling, responsive throttle, and rider-forward ergonomics. The Rotax Electronic Reverse (RER) system was also available on some versions. While the core engine and ZX chassis remained consistent, significant enhancements were introduced over the years. In 2000, the MXZ 700 benefited from the SC-10 II rear suspension and DSA front suspension, along with the Digital Performance Management (DPM) system for optimal carburetion. By 2003, Adrenaline models received ZX-X upgrades, including wider running boards with anti-slip grips, a shorter brake lever, a new gauge, updated TRA III clutching, and new handlebar-mounted switches, as well as the adoption of Precision skis. The DPM system was also refined for easier starting and idling. FAQ :
Q : How can I ensure parts are compatible with my Ski-Doo MXZ 700?
R : To guarantee part compatibility, please use our year and edition selector located at the top of this page.
Maintenance
| Component | Interval | Details |
| Oil (2-stroke injection oil) | Before every ride | Check level and top up as needed. Use high-quality TC-W3 or manufacturer-specific 2-stroke oil. |
| Engine oil filter | Not applicable | 2-stroke engines do not have a traditional engine oil filter. |
| Drive Belt | Check every 50 hours or every 2,400 to 4,800 km | Inspect for damage, excessive wear, or glazing. Replace if worn. Ensure proper tension and height. |
| Spark Plugs | At the start of each season | It is recommended to start the season with fresh spark plugs. |
| Coolant | Before every ride and every 2 years | Check level when cold. Use manufacturer-specified coolant or a 50/50 premix rated for powersports. |
| Chaincase Oil | Check pre-season and every 50 hours; change annually or at end of season | Use manufacturer-specified chaincase oil. |
| Air Filter | Not specified in sources | Although not detailed, air filter maintenance is a common practice. Refer to the manual for specifics. |