Pro-X Piston Kit 81.00mm Yamaha 701 / 1100

Pro-X piston kit. 81.00mm. Fits all Yamaha 701 and 1100 personal watercraft. This piston can also be used in a Yamaha 650 engine as a big bore piston. Some Yamaha 650 cylinder will need to be re-sleeved to use this piston.