Namura .020 Over Bore Top End Repair Kit for Kawasaki KFX50 for 2003-2006 41.5mm

Top End Repair Kit .020 Over Bore for Kawasaki

This .020 over bore top end repair kit for Kawasaki KFX50 models from 2003 to 2006 provides a 41.5mm piston, rings, and gaskets to rebuild the engine's top end.

Overview

This top end repair kit for Kawasaki KFX50 is designed for an .020 over bore, increasing the cylinder bore to 41.5mm. It includes a piston, piston rings, wrist pin, circlips, and gaskets needed for a complete top end rebuild. Ideal for restoring compression and performance on 2003-2006 KFX50 models.

Built For Performance

• Namura brand piston for quality and durability
• Precision-machined to .020 over stock bore
• Includes all necessary gaskets for a sealed rebuild
• Designed for direct fit on Kawasaki KFX50 engines
• Rings and wrist pin included for complete assembly

Fits These Machines

• for Kawasaki KFX50 (2003-2006)

On-The-Job Use

• Rebuilds top end after cylinder wear or scoring
• Commonly used in ATV restoration and performance refresh
• Ideal for installing when replacing a damaged piston
• Suitable for off-road and recreational use of KFX50

Specs At A Glance

Good To Know

Q: Is this kit suitable for a standard bore cylinder? A: No, this kit is for a cylinder that has been bored .020 over. The cylinder must be machined to accept the 41.5mm piston.

Q: Does the kit include a new cylinder? A: No, only the piston, rings, pin, circlips, and gaskets are included. The existing cylinder must be reused or replaced separately.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.