These rings will fit all Yamaha 1200CC NON Power Valve 135 Hp engines. WSM Rings are top quality RIK Japanese high performance rings and are same ring used by factory Yamaha . Will fit OEM factory pistons.
Pro-X Rings & WSM RIK will fit Pro-X pistons in this application.
Wiseco rings will fit Wiseco forged piston only.
Ring set includes:
1 Top ring
1 Bottom ring
