Product JET SKIPiston Back Piston-0.75 66E- YAMAHA 800 Brand: OSAKA MARINE Description: YAMAHA 800_Piston-0.75_66E- Bore-0.80 W/WASHER You May Also Be Interested In Piston-0.75 YAMAHA 1300R Piston-STD YAMAHA 1200R 1118997 Voltage Regulator DELCO 11124 Oil Seal For Harley Davidson