Namura Standard Bore Top End Repair Kit Size B for KTM 2001 125 SX & EXC 54mm

Namura Standard Bore Top End Repair Kit Size B for KTM

This standard bore top end repair kit Size B is a complete top-end overhaul set for 2001 KTM 125 SX and EXC models, featuring a 54mm piston and all necessary components.

Overview

The Namura standard bore top end repair kit Size B provides a reliable solution for restoring compression and performance in your KTM 125. This top end repair kit includes a piston, rings, wrist pin, and circlips precision-matched to 54mm bore specifications. Designed for the 2001 KTM 125 SX and EXC, this top end repair kit ensures smooth power delivery and extended engine life.

Built For Performance

• Includes a high-strength cast piston with precise ring grooves for optimal sealing
• Kit contains a wrist pin, needle bearing, and circlips for a complete rebuild
• Piston is matched to 54mm standard bore for exact fitment
• Rings are pre-gapped to reduce installation time
• Constructed from durable materials to withstand high RPM operation

Fits These Machines

• for KTM 125 SX (2001)
• for KTM 125 EXC (2001)

On-The-Job Use

• Ideal for rebuilding top end during off-season maintenance
• Commonly used in motocross and enduro racing applications
• Perfect for restoring lost compression on high-hour engines
• Suitable for trail riding and competitive events

Specs At A Glance

Good To Know

Q: What is included in this top end repair kit? A: The kit includes a piston, piston rings, wrist pin, needle bearing, and circlips. All parts are pre-measured to work together for a proper rebuild.

Q: How do I determine if Size B is correct for my engine? A: Size B is a standard bore piston grade; you should measure your cylinder bore and compare to the piston diameter. Always check your cylinder for wear before ordering.

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