Extreme Motorsports

02/13/2026

Keep your Arctic Cat 2-stroke engine running like new with Arctic Cat OEM APV Synthetic High Performance 2-Stroke Oil (1 Gallon). Protects against wear, prevents deposits, improves cold starts, and burns smokeless for a cleaner ride. In stock now — 315 available. Get yours today: https://wix.to/N9D1HwK

11/10/2025

Check out our latest part out of the 2015 KTM 450 SX-F! Visit us to explore more: https://wix.to/d4wMfTC

25 years ago, Jason Reinke founded Extreme Motorsports out of a small shop north of Fargo, ND. Over the years it grew into a thriving online eBay business and we now have 4 full times employees. We are currently located roughly 7 miles south of Moorhead, MN.

11/07/2025

Just added new parts machines to our inventory! Let us know if you need anything off these machines. Check it out here:

25 years ago, Jason Reinke founded Extreme Motorsports out of a small shop north of Fargo, ND. Over the years it grew into a thriving online eBay business and we now have 4 full times employees. We are currently located roughly 7 miles south of Moorhead, MN.

11/06/2025

New! Statore Coil OEM Polaris Pro RMK 800 2016-2026 4014958 4081430 was just added to eBay. Check it out! https://ebay.us/m/rnwVAK

11/06/2025

Check out 2015-2026 Polaris Switchback / Pro RMK 800 OEM Steering Rack Link 7061190, the latest item I added on eBay! https://ebay.us/m/jEX3eB

11/05/2025

New! 2011-2023 Polaris Switchback / Pro RMK 800 STD Piston 2204154 2208214 was just added to eBay. Check it out! https://ebay.us/m/r3yhXy

11/05/2025

Check out 2015-2022 Polaris Switchback / Pro RMK 800 OEM Voltage Regulator 4015642, the latest item I added on eBay! https://ebay.us/m/qy5mVe

11/05/2025

I just added a new item to eBay, 2015-2019 Polaris Pro RMK 800 OEM Seat (Black) 2686106 2688101! https://ebay.us/m/ZvfXxV

11/05/2025

I just added a new item to eBay, 2013-2021 Polaris Switchback / Pro RMK 800 OEM Thermostat Cover 5137850! https://ebay.us/m/sNG6tQ

11/04/2025

I just added a new item to eBay, 2015-2020 Polaris Pro RMK 800 OEM Exhaust Power Valve Assembly 2205698! https://ebay.us/m/bSxV7s

11/04/2025

Check out 2009-2022 Polaris Switchback / Pro RMK 800 OEM Fly Wheel 4012121, the latest item I added on eBay! https://ebay.us/m/SDEP9p

11/04/2025

I just added a new item to eBay, 2015-2023 Polaris Switchback / Pro RMK 800 OEM Throttle Body 1205241! https://ebay.us/m/PGsksl