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

Namura Standard Bore Top End Repair Kit Size A for KTM

This Namura standard bore top end repair kit Size A is a complete top-end rebuild solution for 2001 KTM 125 SX and EXC motorcycles with a 54mm bore, including piston, rings, gaskets, and wrist pin to restore compression and performance.

Overview

This top end repair kit provides all necessary components to refresh the cylinder head on your KTM two-stroke. Designed for the 54mm standard bore, the kit includes a precision piston, rings, and gasket set to ensure a perfect seal and reliable power output. Whether for motocross or enduro, this top end repair kit helps you keep your bike running strong.

Built For Performance

• Precision-machined piston from high-strength aluminum alloy
• Durable chrome-plated ring set for reduced blow-by
• Complete gasket set including base, head, and exhaust gaskets
• Heat-treated wrist pin with circlips for secure retention
• Matched to OEM specifications for direct bolt-in installation

Fits These Machines

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

On-The-Job Use

• Motocross racing on prepared tracks
• Enduro trail riding in varied terrain
• Competitive off-road events
• General dirt bike maintenance and rebuilds

Specs At A Glance

Good To Know

Q: Does this kit include the cylinder head gasket? A: Yes, the kit contains a complete gasket set that includes the head gasket, base gasket, and exhaust gasket for a full top-end rebuild.

Q: What does Size A indicate? A: Size A refers to the standard factory piston diameter for the 54mm bore; no oversizing or machining is required.

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