These Wiseco rings will fit all Yamaha 40/50 HP Loop Charge 1984-Up. Wiseco are top quality high performance rings.
Wiseco rings will fit Wiseco forged piston only.
Ring set includes:
1 Top ring
1 Bottom ring
This ring set will fit the following applications only,
Yamaha 25 HP 40/50 HP Loop Charge 1984-Up