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Description
Technical Specifications
- MFG. Part Number 529-000-064
Vehicle Information
Ski-Doo Blizzard 776 Snowmobile (1970-1971)
The Ski-Doo Blizzard 776, produced from 1970 to 1971, was a high-performance snowmobile known for its powerful 771cc Rotax twin engine, delivering 65 horsepower. This model was a key part of Ski-Doo's racing heritage during the early 1970s, often associated with the T'NT (Track N' Trail) series. The "776" designation referred specifically to the engine size, indicating a potent powerplant within the broader Blizzard line, which included both fan-cooled (F/C) and free-air (FA) configurations. For the 1970 and 1971 model years, there were no significant mid-cycle generation or engine changes for the 771cc (776) engine. Both years utilized a bogie wheel suspension system. Major platform shifts, such as a new chassis, aluminum slide rail suspension, and new triple-cylinder engines, were introduced for the 1972 model year, marking a distinct evolution for the Blizzard series. Therefore, the 1970 and 1971 Blizzard 776 models share a consistent design and engine configuration. FAQ:
Q: How do I ensure I'm selecting the correct parts for my Ski-Doo Blizzard 776?
A: To guarantee a perfect fit, please use our year and edition selector at the top of the page. This will filter parts specifically for your 1970 or 1971 model.
Maintenance
| Component | Interval | Details |
| Engine Oil (2-stroke) | Before every ride | The 2-stroke engine uses an oil injection system or pre-mixing. Checking the oil reservoir is crucial to prevent engine damage. No traditional engine oil filter. |
| Drive Belt | Every 50 hours or if performance declines | Inspect frequently for fraying, glazing, cracks, or uneven wear. Expected lifespan between 2,400 km and 4,800 km depending on riding style. Periodically clean the clutch. |
| Spark Plug | Inspect regularly | Check for carbon buildup and replace if signs of wear are present (misfires, rough idling, loss of power). |
| Air Filter / Intake | Check air intake | Snowmobiles of this era might have had a simple screen or no conventional filter. Check the airbox and intake for snow, ice, or debris. |
| Coolant | Check levels after each ride | No specific maintenance schedule is provided. Ensure to use quality fluids that align with manufacturer recommendations. |