Product JET SKIPiston Back Piston-0.25 6M6- YAMAHA 650 Brand: OSAKA MARINE Description: YAMAHA 650_Piston-0.25_6M6- Bore-0.77 You May Also Be Interested In Piston-0.75 66E- YAMAHA 800 290-887-300 Piston-1.0 SEA-DOO 787 16770-36A Cylinder Head Gasket For Harley-Davidson VG-182 Complete Gasket Kit For Honda