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,NEWS ,NEW PRODUCTS ,VIDEOS ,UTV

Rebuilding RZR Engines the Easy Way: Polaris 800 Rebuild Kits

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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,VIDEOS ,Powersports ,ENGINE TECH ,Tech

ProX Connecting Rods: Affordability Meets OEM Quality

ProX offers OEM quality connecting rod kits for less than the pricey manufacturers. Learn more about the manufacturing process and the parts included here.

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,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..

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,VIDEOS ,Powersports ,ENGINE TECH ,Tech ,Maintenance ,How-To

ProX Honda CRF450X Rebuild: Teardown

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..

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,VIDEOS ,Powersports ,Tech

How-To: 4-Stroke Piston Replacement

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..

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,VIDEOS ,Powersports ,BIKE FEATURES

MXA Rides a TM Racing MX300 Factory-Level Two-Stroke

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..

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,VIDEOS ,Powersports ,ENGINE TECH ,Tech

YZ450F Top End Part 2: Rebuilding a Four-Stroke Head

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..

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,VIDEOS ,Powersports

Used Dirt Bike Rebuild and Maintenance Tips from ProX

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!

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,VIDEOS ,Powersports

A Tour Through ProX Racing Parts

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..

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,VIDEOS ,Powersports

Project ProX Husqvarna TC250 2-Stroke by Dirt Bike Magazine

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..

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