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Description
Technical Specifications
- MFG. Part Number 21561
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. |