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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..

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,FEATURES ,Powersports

Professional Jet Ski Pilot Luc Hermsen and his 1100cc Custom Race Ski

Luc Hermsen is a professional jet ski racer out of Europe. Here we take a look at how he got into this form of racing, and we get an in-depth look at his custom Bullett race..

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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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,Powersports ,BIKE FEATURES

Super-Mini: Mora Mechanical Racing's ProX KX85

Even though it's technically incorrect to call this a Supermini because the displacement remains at 85cc, this Kawasaki KX85 doesn't fall short in the race-ready department...

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,Powersports ,Tech

Standard MX vs. O-Ring: How To Choose the Proper Chain for your Bike

Chain drive systems have been transferring power to the rear of motorcycles for nearly a century. Here we take a look at the advantages of both standard MX and O-ring chains,..

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,Powersports ,BIKE FEATURES

Bike Build: One of a Kind YZF290 Supermoto

We found a fellow racer on Facebook who had built a very impressive bike, and we had to know more about it. He was nice enough to set aside some time and give us information on..

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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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,Powersports ,Tech

How To: Kawasaki SX-R 800 Jet Ski Top End Rebuild

Is it time to rebuild your PWC after a long summer? Check out this how-to guide with photos from our SX-R 800 top end rebuild.

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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..

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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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