Product JET SKIPiston Back Piston-0.5 Bore-1 SEA-DOO 4-STROKE Brand: OSAKA MARINE Description: SEA-DOO 4-STROKE_Piston-0.5 Bore-1, Forged Piston You May Also Be Interested In Piston-0.75 6M6- YAMAHA 650 3008-569 Piston-0.5 TIGER SHARK 770 701(700)Liner YAMAHA 810916 Top End Gasket Kit SUZUKI