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JE's single piston for the Yamaha YZ450F is offered with a 12.5:1 compression specification and serves as a direct replacement for rebuilds or repairs. Supplied as a single piston, it fits the YZ450F application and gives race or trail mechanics a like-for-like replacement option when correcting piston wear or damage on that model.
JE Pistons Yamaha YZ450F 12.5 to 1 Piston Single
