Product JET SKIPiston Back Piston-0.25 YAMAHA 500 Brand: OSAKA MARINE Description: YAMAHA 500_Piston-0.25 Bore-0.72 You May Also Be Interested In 13001-3731 Piston-0.75 KAWASAKI Ultra 900 290-887-670 Piston-1.0 SEA-DOO 720 4KD-81940-00-00 Starter Relay YAMAHA 679-45571-00-00 Reverse Gear For Yamaha