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We've finally buttoned up the new bottom end of our CRF450X engine, and it's time to move on to the top end! In this episode, we unbox a new #ProX piston kit and cover each step in properly preparing and installaing a new four-stroke piston. Follow along for your rebuild!
All other assembly videos here! blog.pro-x.com/...
All teardown videos here! blog.pro-x.com/...