Product JET SKIPiston Back Piston-0.5 YAMAHA 4-STROKE Brand: OSAKA MARINE Description: YAMAHA 4-STROKE_Piston-0.5_60E- Bore-0.74 You May Also Be Interested In Piston-0.75 SEA-DOO 951 DI Piston-0.75 Bore-1 SEA-DOO 4-TEC-NA 6D0-W0001-00-00 Powerhead Gasket Kit For Yamaha 93507-32009 Ball YAMAHA