Namura Standard Bore Size B Top End Kit for Kawasaki KX250F 2017-2019 77mm

Namura Standard Bore Size B Top End Kit for Kawasaki

This Namura Standard Bore Size B Top End Kit is a complete piston and ring set designed for the Kawasaki KX250F, providing a reliable rebuild for the cylinder head; suitable for 2017-2019 models with 77mm bore.

Overview

The Namura Standard Bore Size B Top End Kit for Kawasaki is a high-quality replacement top end assembly for KX250F dirt bikes. This kit includes piston, rings, wrist pin, and circlips to restore engine compression and performance. Ideal for racers and riders maintaining 2017-2019 KX250F motorcycles.

Built For Performance

• Standard bore size B with 77mm piston diameter
• Includes piston rings, wrist pin, and circlips for complete rebuild
• Casting meets OEM specifications for reliable fit
• Provides consistent compression and power output
• Durable construction for high-performance use

Fits These Machines

• for Kawasaki KX250F 2017
• for Kawasaki KX250F 2018
• for Kawasaki KX250F 2019

On-The-Job Use

• Motocross racing and track days
• Off-road trail riding and enduro
• Engine rebuilds and preventive maintenance
• Competitive dirt bike performance tuning

Specs At A Glance

Good To Know

Q: Does this kit include a piston pin? A: Yes, the Namura top end kit comes with a wrist pin and circlips, providing all necessary components for installation.

Q: Can I use this kit on a 2016 KX250F? A: This kit is specifically designed for 2017-2019 models. For earlier years, check the bore size and compatibility with your engine.

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