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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
Polaris Sportsman 850 ATV (2009-2026)
The Polaris Sportsman 850, produced from 2009 to 2026, is a utility-sport ATV renowned for its power and versatility. Designed to tackle the most demanding terrains, it offers a combination of robust performance and comfort. Over the years, the Sportsman 850 has received continuous updates to enhance its handling, suspension, and hauling capabilities, solidifying its reputation as a reliable vehicle for both work and recreation. It is powered by a potent engine, ideal for towing, carrying loads, and off-road adventures. The available information does not indicate a major platform generation break for the 2009-2026 period, but rather progressive enhancements and the introduction of various trims and editions. FAQ:
Q: How can I be sure this part fits my Polaris Sportsman 850?
A: To ensure compatibility, please use the year and model selector at the top of this page to find parts specific to your vehicle.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | Break-in: 25 h or 400 km. Regular: 200 h, 6 months, or 3,200 km. | Change filter with every oil change. |
| Air Filter | Inspect before every ride or weekly. Replacement: 50 h or more frequently. | Replace if dirty after cleaning, damaged, or torn. Inspect every 25-50 h. |
| Drive Belt | Inspect and adjust as needed. Replacement: 1,600 to 3,200 km (based on wear). | Replace if slipping, jerky acceleration, visible cracks, or glazed spots. |
| Spark Plug | Replacement: 200 h, 24 months, or 3,200 km. | Periodic inspection recommended. |
| Coolant | Drain and replace: every 5 years. | Check level daily or before every ride. Inspect strength and leaks annually. |