ENGINE TECH

August 8, 2024

10 Signs your 4-Stroke Dirt Bike Engine is Getting Tired

Maintenance can prevent repairs! Here’s 10 Signs your 4-stroke dirt bike engine may need some attention.

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September 30, 2020

ProX Connecting Rods: Affordability Meets OEM Quality

ProX offers OEM quality connecting rod kits for less than the pricey manufacturers. Learn more…

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April 20, 2020

How to Rebuild the Top End in your Two-Stroke

How to Rebuild the Top End in your Two-Stroke April 20, 2020 / by Paul Olesen…

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March 15, 2020

How To Rebuild a 4-Stroke Top End in your Dirt Bike or ATV

ProX takes you through the major parts of rebuilding a 4-stroke top end complete with…

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January 31, 2020

ProX Honda CRF450X Rebuild: Engine Assembly

We got our hands on a well-used CRF450X engine and brought it into the shop…

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January 16, 2020

ProX Honda CRF450X Rebuild: Teardown

We got our hands on a well-used CRF450X engine and brought it into the shop…

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