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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 Sidewinder MTX 1000 Snowmobile (2017-2025)
The Yamaha Sidewinder MTX 1000, produced from 2017 to 2025, is a high-performance mountain snowmobile renowned for its power and robustness. It consistently features the 998cc Genesis turbo engine, a four-stroke, three-cylinder unit officially rated at 180 horsepower, though independent tests have shown it can exceed 200 horsepower. Designed for demanding terrain, the Sidewinder MTX offers a dynamic and reliable riding experience for off-trail enthusiasts. Over the years, the Sidewinder MTX has received targeted improvements to optimize its deep snow performance and rider comfort. Notable changes include the introduction of new Fox FLOAT 3 shocks and a drop and rolled chain case for an improved track approach angle in 2018, as well as cockpit and starting system enhancements in 2019. The 2025 model is offered as a "Final Edition," potentially marking the last iteration of this series. Q: How can I ensure parts fit my Yamaha Sidewinder MTX 1000?
A: To guarantee compatibility, please use our year and trim selector on this page.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | Initial: 20-25 hours or 800 km. Routine: 100 hours or annually (4,000 km). | The oil filter is generally replaced with the oil. An annual change is strongly recommended, regardless of mileage. |
| Drive Belt | Inspection: Every 50 hours. Replacement: 2,400 to 4,800 km. | Replacement intervals vary based on riding style and conditions. Annual replacement is sometimes done as preventative maintenance. |
| Spark Plugs | Annually, 4,000 km, or 200 hours. | Many owners replace them yearly for optimal performance and easier starts. |
| Air Filter | Inspection/Cleaning: Every 25-50 hours. Replacement: 19,200 to 48,000 km. | Maintenance heavily depends on riding conditions. Oiled cotton filters are reusable after cleaning and re-oiling. |
| Coolant | Every 2 years or 200 hours. | Some sources suggest more frequent replacement, especially for green-dyed antifreezes. |