Namura Standard Bore Size B Top End Repair Kit for KTM 125 SX 2016-2022 54mm

Standard Bore Size B Top End Repair Kit for KTM

This Namura Standard Bore Size B Top End Repair Kit is a complete top end repair assembly for KTM 125 SX models from 2016 to 2022 with a 54mm bore.

Overview

The Standard Bore Size B Top End Repair Kit from Namura is a full top end rebuild kit for KTM 125 SX motocross bikes. It includes a cylinder, piston, rings, wrist pin, and gaskets, designed to restore power and reliability. This top end repair kit is engineered for the 54mm bore and fits 2016-2022 SX models.

Built For Performance

• Precision-cast cylinder for accurate piston-to-wall clearance
• Forged piston for high-strength performance
• Premium ring set for optimal compression and oil control
• Includes gaskets, o-rings, and seals for a complete overhaul
• Built to match OEM specifications for direct fitment

Fits These Machines

• for KTM 125 SX (2016-2022)

On-The-Job Use

• Motocross racing on prepared tracks
• Hobby practice and training sessions
• Aggressive trail riding
• Dirt track racing
• General top end replacement and maintenance

Specs At A Glance

Good To Know

Q: Does this kit include everything needed for a top end rebuild? A: Yes, it includes the cylinder, piston, rings, wrist pin, circlips, and all necessary gaskets and seals for a complete replacement.

Q: Is this kit compatible with KTM 125 XC or XC-W models? A: No, this kit is specifically engineered for the KTM 125 SX from 2016-2022. Verify your model and year before purchasing.

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