The JE piston for Yamaha YZ450F PRO Series (13.5:1) is a single replacement part for top-end service and rebuilds on Yamaha YZ450F models. It aligns with the specified compression to re-establish correct combustion geometry. Supplied individually; check bore and ring specs before purchase to confirm fitment for the Yamaha YZ450F PRO Series application.
JE Pistons Yamaha YZ450F PRO SERIES 13.5 Piston Single