Namura Standard Bore Size B (44.97mm) Piston Kit for KTM 65 SX 2009-2022 45mm

Namura Standard Bore Size B Piston Kit for KTM 65 SX

This Namura standard bore piston kit Size B (44.97mm) fits KTM 65 SX models from 2009 to 2022 with a 45mm bore.

Overview

This Namura standard bore piston kit Size B (44.97mm) is designed for KTM 65 SX motocross bikes from 2009 to 2022. Sized for the 45mm bore, this piston kit ensures a proper fit for your KTM 65 SX engine. It is a reliable aftermarket replacement for the original piston assembly.

Built For Performance

• Size B piston with 44.97mm diameter for standard KTM 65 SX bore
• Includes piston, rings, wrist pin, and circlips
• Precision-cast aluminum alloy for high-rpm durability
• Matching ring set ensures efficient combustion seal
• Engineered for the KTM 65 SX two-stroke engine

Fits These Machines

• for KTM 65 SX 2009-2022

On-The-Job Use

• Engine rebuilds for KTM 65 SX motocross bikes
• Top-end replacement for competitive racing
• Restoring compression and performance in KTM 65 SX

Specs At A Glance

Good To Know

Q: What is the difference between Size A and Size B pistons for KTM 65 SX? A: Size B is slightly larger to account for normal cylinder wear; measure your cylinder to determine if Size A or Size B is needed.

Q: Does this piston kit come with a gasket? A: No, only piston, rings, wrist pin, and circlips are included; purchase a top-end gasket set separately.

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