Have you ever thought about the importance of your four-stroke engine’s cam chain – also referred to as a timing chain – and what would happen if it broke? The cam chain is one of..
READ MORELatest Posts
February 11, 2022 / By Paul Olesen
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
We brought a well-used Honda CRF450X engine into the shop for a complete teardown and rebuild, top to bottom-end. We documented this engine rebuild every step of the way,..
READ MOREJune 9, 2020 / By Kevin Bailey
Rebuilding a top end is a task most two-stroke owners will run into at one point or another. Here, we go over critical steps and key tips to installing a new piston and ring(s) in..
READ MOREApril 20, 2020 / By Paul Olesen
ProX takes you through the major parts of rebuilding a 4-stroke top end complete with step-by-step guides for each task along the way!
READ MOREMarch 15, 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 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
Many riders associate the need for a bottom end rebuild with a costly trip to the shop. However, saving on labor and parts isn't out of the question with the help of ProX. We put..
READ MOREDecember 21, 2018 / By Paul Olesen
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
