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Description
Cap and cord for safety stop switch.
Technical Specifications
- MFG. Part Number 01-111-21
Vehicle Information
Ski-Doo TNT 440 Snowmobile (1971-1978)
The Ski-Doo TNT 440, produced from 1971 to 1978, was a popular snowmobile known for its performance and versatility. Primarily powered by Rotax twin-cylinder engines ranging from 435cc to 440cc, this series offered various configurations to meet the needs of snowmobilers. Over the years, the TNT 440 underwent significant evolutions. Early models offered a choice between traditional bogie wheel suspensions and the newer slide rail suspensions. In 1974, the introduction of the TNT Everest marked a turning point with a long-track version and revamped slide-rail suspension for improved flotation and stability. The year 1975 saw the arrival of the TNT Everest 440E, a premium model featuring electric start and CD ignition. Towards the end of its production, from 1977 to 1978, the model gradually transitioned from free-air cooled engines to fan-cooled engines, offering adapted cooling options. FAQ:
Q: How can I ensure this part fits my Ski-Doo TNT 440?
A: To ensure compatibility, please use our year and model selector located at the top of this page. Q: Are there significant differences between TNT 440 production years?
A: Yes, changes were made to suspensions, cooling systems, and model features throughout the 1971-1978 period.
Maintenance
| Component | Interval | Details |
| Fuel/Oil Ratio | 1971-1973: 20:1; 1974: 40:1; 1975-1978: 50:1. Using the correct ratio is crucial. | |
| Drive Belt | Check every 50 hours | Routine inspection and adjustment. |
| Spark Plugs | Standard maintenance as part of tune-up procedures. | |
| Air Filter / Intake Silencer | Inspection and cleaning of the air filter assembly or intake silencer. | |
| Oil Reservoir (2-stroke injection system) | Before every ride | Ensure the reservoir is full and use high-quality TC-W3 or manufacturer-specific oil. |
| General Lubrication | Every 40 hours or monthly | Lubrication of the steering system and suspension. More frequent in wet or severe conditions. |
| Coolant (for liquid-cooled models) | Check coolant levels and inspect hoses and heat exchangers for liquid-cooled variants. |