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Description
Chaincase Gasket
Technical Specifications
- MFG. Part Number 03-705
Vehicle Information
Ski-Doo Legend 550 Snowmobile (2004)
The 2004 Ski-Doo Legend 550 was a popular snowmobile, known for its reliability. This model featured a 553.4cc (or 553cc) two-stroke, fan-cooled engine, rated at approximately 60 horsepower. For the 2004 model year, Ski-Doo offered two main trims: the Legend 550 Fan, designed for trail riding, and the Legend GT Fan 550, a touring-oriented model. Both the 2004 Legend 550 Fan and the Legend GT Fan 550 were "Carryover" models, meaning they continued from previous years without significant mid-cycle generation or engine changes for 2004. The Legend GT Fan 550 was introduced in 2001, and the Legend 550 Fan in 2002, with the Rotax 550 Fan engine remaining consistent across these models. FAQ:
Q: How do I know if this part fits my Ski-Doo Legend 550?
A: Please use our year and trim selector at the top of the page to confirm compatibility for your specific model and year.
Maintenance
| Component | Interval | Details |
| Injection Oil (reservoir) | Before every ride | Check level and refill as needed. Running out of injection oil can cause severe engine damage. |
| Drive Belt | Before every ride (inspection) | Inspect for wear (cracks, fraying, flat spots). Replace if worn. Estimated lifespan between 2,400 and 4,800 km, or replace at the start of each season. |
| Spark Plugs | Annually or before each season | Replace for consistent reliability. More frequent if heavy use. |
| Air Filter | Inspect every 8,000 to 9,600 km | Clean or replace depending on riding conditions. More frequent in dusty environments. |
| Coolant | Every 2 to 5 years | Check level regularly. Replace according to recommended interval. |
| Brake Fluid | Every 2 years | Check level and condition. Replace according to recommended interval. |