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Description
Bred from a rich history of experienced belt builders, the Dayco XTX belt is specifically engineered to maximize the performance of the most extreme, high horsepower snowmobiles. Beating the competition on the race course is just one of many aspects that sets the XTX belt apart from its competition. Specially formulated high temperature Polymer along with the highest level of engineered reinforcement proves to perform better in belt operating temperature and efficiency than leading competitors. Its innovative break-through design of deeper cogs on top and rounded cogs on the bottom yield the advantages of ultimate flexibility and longer belt life while being a better alternative to the original equipment belt.
Key Features
- Faster and more consistent throttle response at high speeds
- Quicker throttle response at mid-speed acceleration
- Greater secondary acceleration at high RPMs
- Greater secondary acceleration as primary acceleration increases
- Reduction in slippage during the highest levels of torque
- Providing more power to track
- Better performance during deceleration (more responsive engine braking)
- Tested and proven reliability at well over 12,000 RPMs
- Cooler-running temperature than the leading competitors
Technical Specifications
- MFG. Part Number XTX5057
Vehicle Information
Yamaha SR Viper MTX 1050 Snowmobile (2015-2017)
The Yamaha SR Viper MTX 1050, produced from 2015 to 2017, is a robust and high-performance mountain snowmobile. Powered by the 1049cc Genesis 3-cylinder, four-stroke engine, it delivers between 130 and 135 horsepower. This engine platform, developed in collaboration with Arctic Cat (SRV chassis), remained consistent throughout these years. Optional Mountain Performance Inc. (MPI) turbo kits were available as dealer-installed accessories, boosting output to approximately 180 horsepower.
While the core engine and chassis remained the same from 2015 to 2017, Yamaha introduced various trims and feature updates. For instance, in 2015, specific engine control unit (ECU) calibrations were applied, and suspension and chassis improvements were made. In 2017, new shock combinations and a new mountain ski were introduced for M-TX and B-TX models, with the addition of the SR Viper B-TX LE model. FAQ:
Q: How can I ensure this part is compatible with my snowmobile?
A: To guarantee compatibility, please use our year and model selector on this page.
Q: My specific model is not listed, what should I do?
A: If you cannot find your model, please contact our customer service for assistance.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | Initial change: 800 km. Subsequent oil changes: every 4,000 km or before prolonged storage. Subsequent oil filter changes: every 20,000 km. | Recommended Semi-Synthetic Yamalube 0W-30 oil. |
| Spark Plugs | Inspect and replace if necessary. Inspection recommended every 100 hours or every other season. | Check for proper color and wear. |
| Drive Belt | Break-in period of 40 km for new drive belts. | Regular inspection for wear and tear. No specific replacement interval provided. |
| Air Filter | Not specified. | Clean and re-oil frequently, or replace when dirty. |
| Coolant | Not specified. | Regular inspection of levels and condition. |