Pro-X - 01.2429.A Piston Kit "A" Size 94.95mm 12.5:1 Yamaha YZ4540F 2003-2009

Pro-X - 01.2429.A Piston Kit "A" Size 94.95mm 12.5:1 Yamaha YZ4540F 2003-2009


Year  Make  Model
2013 - 2015  GAS GAS  EC 450F
2003 - 2009  YAMAHA  WR450F
2011 - 2015  YAMAHA  WR450F
2003 - 2009  YAMAHA  YZ450F

Forged Piston, 12.5:1 Compression

Additional Product Specifications
Bore Diameter  95.00
Bore Diameter (OEM)  95.00
Compression Height  14.50
OEM Reference No  5TJ-11631-00
Piston Boss Spacing  19.50
Piston Diameter  94.95
Piston Head Type  Cavity
Product Types  Piston Kits
Skirt Coating  None
Total Height  40.40
Wrist Pin Bore Diameter  18.00

PLEASE DOUBLE CHECK SIZE BEFORE ORDERING

Benefits & Features:

-FORGED 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).

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.!