Namura .020 Over Bore Piston Kit fits Kawasaki 2003 2004 2005 2006 KFX50 41.5mm

Namura .020 Over Bore Piston Kit for Kawasaki KFX50 2003-2006

This Namura .020 Over Bore Piston Kit for Kawasaki KFX50 (2003-2006) is a replacement piston assembly for engines requiring a .020 inch overbore, with a 41.5mm bore size.

Overview

This Namura .020 Over Bore Piston Kit is designed for Kawasaki KFX50 models from 2003 to 2006. It features a 41.5mm piston for a .020-inch overbore, allowing you to rebuild a worn cylinder and restore engine performance.

Built For Performance

• 41.5mm bore for .020 oversize rebuild
• Includes piston, rings, and pin
• High-strength aluminum alloy construction
• Precision CNC machined for exact fit
• Restores compression and power in youth ATV engines

Fits These Machines

• for Kawasaki KFX50 (2003-2006)

On-The-Job Use

• Youth ATV recreational riding
• Light-duty farm and utility use
• Entry-level off-road riding for kids

Specs At A Glance

Good To Know

Q: Do I need to have the cylinder bored to match this piston? A: Yes, the cylinder must be bored .020 inch oversize to accommodate this piston; take it to a professional machine shop.

Q: What clearance is required between piston and cylinder? A: Refer to the engine manual; typical clearance is around 0.002-0.003 inches after honing.

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