Namura .040 Over Bore Piston Kit fits Kawasaki KFX50 2003 2004 2005 2006 42mm
Namura .040 Over Bore Piston Kit fits Kawasaki KFX50 2003 2004 2005 2006 42mm
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.040 Over Bore Piston Kit for Kawasaki
This Namura .040 over bore piston kit fits Kawasaki KFX50 models from 2003 to 2006 with a 42mm bore, providing a direct replacement piston for engine rebuilding.
Overview
This .040 over bore piston kit is intended for Kawasaki KFX50 ATVs manufactured between 2003 and 2006. The piston features a 42mm diameter and includes rings and pin for a complete replacement. This .040 over bore piston kit restores compression and performance.
Built For Performance
- Cast aluminum piston with high silicon content
- Includes piston rings and wrist pin
- Machined to 0.040 inch oversize for cylinder rebore
- Designed for reliable operation in small engines
Fits These Machines
- for Kawasaki KFX50 2003-2006
On-The-Job Use
- Rebuilding Kawasaki KFX50 engines after cylinder wear
- Replacing worn piston during top end overhaul
- Restoring power and reliability in youth ATVs
Specs At A Glance
| Bore Size | 42mm |
| Oversize | 0.040 inch |
| Kit Includes | Piston, rings, wrist pin |
Good To Know
Q: Do I need to rebore the cylinder for this piston? A: Yes, because it is 0.040 inch oversize, the cylinder must be bored to the corresponding dimension.
Q: Is this piston a direct replacement for stock? A: It is a direct fit after the cylinder has been properly bored and honed to match the oversize piston.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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