Product JET SKIPiston Back 290-887-300 Piston-1.0 SEA-DOO 787 Brand: OSAKA MARINE Description: SEA-DOO 787_Piston-1.0_290-887-300 Bore 0.82 You May Also Be Interested In Piston-0.25 YAMAHA 500 Piston-STD KAWASAKI 1100 98901-04006 Bind Screw YAMAHA 881540 Fuel Filter For Mercury