Namura Size B 89.97mm Standard Bore Piston & Gasket Kit for Kawasaki KLX400 90mm

Standard Bore Piston & Gasket Kit Size B 89.97mm for Kawasaki

This standard bore piston and gasket kit for Kawasaki KLX400 features a 89.97mm size B piston and includes necessary gaskets for a complete top‑end rebuild.

Overview

This standard bore piston and gasket kit for Kawasaki KLX400 delivers a 89.97mm size B piston along with a full gasket set, allowing you to restore compression and seal the engine. It is designed for Kawasaki KLX400 owners who need a coordinated kit to simplify the standard bore piston replacement process.

Built For Performance

• Precision‑forged 89.97mm size B piston for consistent fitment
• Included head gasket, base gasket, and other sealing components
• Piston rings pre‑gapped to factory specifications
• Wrist pin and circlips included for secure installation
• Compatible with standard bore cylinder dimensions for the KLX400

Fits These Machines

• for Kawasaki KLX400

On‑The‑Job Use

• Dual‑sport riding where reliable engine performance is essential
• Off‑road trail riding and light motocross use
• Engine rebuilding after piston wear or ring failure
• Restoring top‑end compression for improved throttle response

Specs At A Glance

Good To Know

Q: Does the gasket kit come with all necessary seals? A: Yes, the gasket kit includes the head gasket, base gasket, and other top‑end seals needed for installation.

Q: Can I use this kit if my cylinder needs honing? A: Yes, provided the bore remains within standard limits; always measure the cylinder before installation to ensure proper clearance.

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