Pro-X - 01.2005.025 - Piston Kit, 0.25mm Oversize to 40.25mm Yamaha PW50

Pro-X - 01.2005.025 - Piston Kit, 0.25mm Oversize to 40.25mm Yamaha PW50


Year  Make  Model
1982  YAMAHA  MJ50
1981 - 2009  YAMAHA  PW50
2012 - 2021  YAMAHA  PW50

Bore Diameter  40.25 (+0.25mm Oversize)
Compression Height  20.00
Material  Cast Piston
OEM Reference No  18U-11631-00-A0
Piston Boss Spacing  13.50
Piston Head Type  Dome
Piston Oversize  0.25
Product Types  Piston Kits
Skirt Coating  None
Total Height  50.00
Wrist Pin Bore Diameter  10.00

PLEASE DOUBLE CHECK SIZE BEFORE ORDERING

Benefits & Features:

-Cast pistons in A, B, C and D sizing for Nikasil/Plated Cylinders
-Interchanges directly with OEM Parts
-Piston kit comes with piston, wrist pin, circlips and ring(s).

 Brand New

ProX Piston Kits are comprehensive coming complete with: Piston / Ring Kit / Wrist Pin / Cir Clips. ProX also offers oversized piston options in order to follow manufaturer Piston to Cylinder Wall clearances. ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc.!