Namura Standard Bore Size B Top End Kit for Kawasaki KX250F 2015-2016 77mm

Namura Standard Bore Size B Top End Kit for Kawasaki

This Namura Standard Bore Size B Top End Kit is a direct replacement top end assembly designed to restore compression and performance for Kawasaki KX250F motorcycles from 2015 to 2016, with a 77mm bore size.

Overview

The Namura Standard Bore Size B Top End Kit for Kawasaki KX250F 2015-2016 is a complete replacement top end kit that includes a piston, rings, pin, and gaskets. This 77mm bore kit is engineered to match the original specifications of the Kawasaki engine, ensuring reliable power delivery and longevity. Whether you are rebuilding after a season of motocross or refreshing a worn top end, this Namura Standard Bore Size B Top End Kit provides the components needed for a proper rebuild.

Built For Performance

• Precision-machined 77mm piston from Namura's Standard Bore Size line
• Includes rings, wrist pin, circlips, and complete gasket set
• Manufactured to exact OEM specifications for a direct fit
• High-strength aluminum alloy construction for durability
• Designed to handle the high RPM demands of the KX250F engine

Fits These Machines

• for Kawasaki KX250F 2015
• for Kawasaki KX250F 2016

On-The-Job Use

• Motocross track use and competitive racing
• Trail and off-road recreational riding
• Engine rebuilds and top end overhauls
• Seasonal maintenance for high-performance dirt bikes

Specs At A Glance

Good To Know

Q: Will this top end kit fit other years of the KX250F? A: This kit is specifically designed for 2015-2016 models. Always verify engine serial number before ordering to ensure compatibility.

Q: Does the kit include cylinder or cylinder head? A: No, this kit includes only the top end components: piston, rings, pin, circlips, and gaskets. The cylinder and head 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.