Namura Standard Bore Size C Top End Kit for KTM 250 SX, EXC, XC, XC-W 66.4mm

Namura Standard Bore Size C Top End Kit for KTM

This top end kit provides a complete cylinder and piston assembly for KTM 250 SX, EXC, XC, and XC-W models, featuring a 66.4mm bore size to restore engine compression and power.

Overview

This Namura Standard Bore Size C Top End Kit is designed for KTM 250cc off-road motorcycles. It includes a cylinder, piston, rings, and gaskets to rebuild the top end with a 66.4mm standard bore. This top end kit offers a reliable replacement for worn engine components.

Built For Performance

• Precision-machined cylinder for accurate piston fit
• High-strength piston designed for high-revving engines
• Durable compression rings reduce blow-by
• Matched wrist pin and clips for secure installation
• Complete gasket set included for hassle-free rebuild

Fits These Machines

• for KTM 250 SX
• for KTM 250 EXC
• for KTM 250 XC
• for KTM 250 XC-W

On-The-Job Use

• Motocross and track racing
• Enduro and off-road competitions
• Trail riding and technical terrain
• Woods and cross-country riding

Specs At A Glance

Good To Know

Q: Does this kit include all necessary gaskets? A: Yes, the kit comes with a full gasket set for the top end rebuild, including base and head gaskets.

Q: Can this be used on a KTM 250 SX-F? A: This kit is designed for the 250 SX, EXC, XC, and XC-W two-stroke models; confirm your model is a 250cc two-stroke.

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