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The JE Pistons single piston for Yamaha R1 FT five-valve applications is supplied as a single replacement for specific R1 engines. Intended for models with the FT five-valve head, this piston helps reestablish correct bore clearance and compression during rebuilds. Use it when servicing a Yamaha R1 that requires a replacement matching the FT five-valve configuration.
JE Pistons Yamaha R1 FT 5 Valve Piston Single
