ProX has expanded their ATV and UTV engine components lineup with reliable and convenient engine rebuild kits for Polaris 800 engines. Designed, developed, and tested..
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June 22, 2022 / By Kevin Bailey
ProX offers OEM quality connecting rod kits for less than the pricey manufacturers. Learn more about the manufacturing process and the parts included here.
READ MORESeptember 30, 2020 / By Mike Magda
,VIDEOS ,Powersports ,ENGINE TECH ,Tech ,Maintenance ,How-To
ProX Honda CRF450X Rebuild: Engine Assembly
We got our hands on a well-used CRF450X engine and brought it into the shop for a complete teardown and rebuild, top to bottom-end. We documented this engine rebuild every step of..
READ MOREJanuary 31, 2020 / By Kevin Bailey
We got our hands on a well-used CRF450X engine and brought it into the shop for a complete teardown and rebuild, top to bottom-end. We documented this engine rebuild every step of..
READ MOREJanuary 16, 2020 / By Kevin Bailey
Recently you saw our introduction video telling you about our used 2006 YZ450F that we're rebuilding and documenting step-by-step. In this part 1 video, we'll go over tips on..
READ MOREDecember 14, 2018 / By Kevin Bailey
Ralf Schmidt of TM Racing US built an MX300 two-stroke for the crew at Motocross Action to test--and they were impressed. Watch the bike in action and see all the factory details..
READ MORESeptember 5, 2018 / By Kevin Bailey
In part 1 of our 2006 YZ450F rebuild, we walked you through how to replace the piston with a new ProX piston kit. After the new piston is installed and the cylinder is torqued..
READ MOREJuly 5, 2018 / By Kevin Bailey
We'll be rebuilding a used 2006 YZ450F using ProX parts one step at a time to provide how-to tips on key maintenance and rebuild practices. Check out what we started with!
READ MORENovember 16, 2017 / By Kevin Bailey
ProX Racing Parts may specialize in pistons, connecting rods, and clutch components, but we have over 9,000 part numbers across over 70 different Powersports applications. Take a..
READ MORESeptember 22, 2017 / By Kevin Bailey
The crew at Dirt Bike Magazine built a 2017 Husqvarna TC250 with the goal of good power, improved handling, and great reliability. Watch the bike in action and see the build..
READ MOREAugust 30, 2017 / By Kevin Bailey