Comet 108EXP Clutch
03-217504 (MFG #: 217504A)
$584.20
Sale price
$584.20
Regular price
$599.99
Sale
-2%
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Comet 108EXP Clutch for Ski-Doo Escapade 503 Snowmobile
Comet 108EXP Clutch for Ski-Doo Escapade 503 Snowmobile
$584.20
Sale price
$584.20
Regular price
$599.99
Sale
-2%
SKU:03-217504
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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 Escapade 503 Snowmobile (1986-1989)
The Ski-Doo Escapade 503, produced from 1986 to 1989, was a snowmobile designed for comfortable two-up touring and known for its reliable performance. It shared a chassis design with the Ski-Doo Stratos. Throughout these years, it was consistently powered by a fan-cooled Rotax twin engine with a displacement of 496.7 cm³ (or approximately 497cc). The Escapade 503 was primarily offered as a single model. While the 1989 model was sometimes referred to as the "Safari Escapade," this was a naming variation rather than a distinct trim level with different features or specifications. There were no significant mid-cycle generation changes or major engine overhauls for the Escapade 503 between 1986 and 1989; the engine and core design remained consistent. Q: How can I be sure these parts fit my Ski-Doo Escapade 503?
A: To guarantee compatibility, please use the year and model selector at the top of this page.
Maintenance
| Component | Interval | Details |
| Break-In Inspection | After 10 hours of operation | Recommended inspection after engine and belt break-in period. |
| General Lubrication | As per operating conditions | Lubricate steering mechanism, drive axle, and slide suspension frequently, especially in wet or severe conditions. Use low-temperature grease. |
| Chaincase Oil | Check pre-season and every 50 hours; change annually or end of season | Check level with dipstick and refill as required with Bombardier chaincase oil. Capacity of approximately 200 ml. |
| Oil Injection System | Check before every ride | Maintain sufficient Bombardier Snowmobile Injection Oil. Running out of oil can quickly destroy the engine. |
| Drive Belt | Assess before/after each ride; clean clutch periodically | Check for wear (worn teeth, cracking, fraying). Ensure proper tension and height in the secondary clutch upon reinstallation. |
| Spark Plugs | As needed | Check and replace if experiencing misfires, rough idle, or loss of power. |
| Coolant | Check after each ride; change every two years | Check fluid levels after each ride. |
| General Inspection | Regularly | Includes fan belt, headlamp aiming, bulb replacement, suspension and track condition, and carburetor adjustment. |
Maintenance intervals are based on general guidelines. It is highly recommended to consult your model's official owner's manual for exact specifications.