Namura Standard Bore Top End Rebuild Kit Size B for Kawasaki KX250 2004 66.4mm

Standard Bore Top End Rebuild Kit Size B for Kawasaki

This top end rebuild kit, size B, provides all components needed to rebuild the cylinder of a Kawasaki KX250 2004 with a 66.4mm bore, including piston, rings, wrist pin, and circlips for a complete top-end overhaul.

Overview

This standard bore top end rebuild kit size B is designed for Kawasaki KX250 2004 models, delivering everything necessary to restore cylinder compression and performance. The kit includes a high-quality piston, rings, wrist pin, and circlips, ensuring a reliable top-end rebuild for your Kawasaki dirt bike.

Built For Performance

• Precision-machined piston for optimal cylinder fit and reduced friction
• High-strength rings for improved compression and oil control
• Wrist pin and circlips included for secure assembly
• Size B specification matches factory tolerance for standard bore
• Compatible with 66.4mm bore after reconditioning

Fits These Machines

• for Kawasaki KX250 (2004)

On-The-Job Use

• Motocross racing and off-road competition
• Trail riding and recreational dirt biking
• Engine rebuilds and performance restoration

Specs At A Glance

Good To Know

Q: Is this kit compatible with other years of the KX250? A: This kit is specifically designed for the 2004 Kawasaki KX250; other years may use different bore sizes or piston configurations.

Q: Do I need to recondition the cylinder before installation? A: Yes, the cylinder should be honed or reconditioned to the proper finish and clearance for the new rings and piston to ensure a proper seal.

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