Namura Standard Bore Piston Kit Size A for Can-Am Defender HD5 2017-2021 94mm

Namura Standard Bore Piston Kit for Can-Am

This Namura standard bore piston kit (Size A, 94mm) is a replacement piston assembly for Can-Am Defender HD5 models from 2017 to 2021, designed to restore engine compression and performance.

Overview

This Namura standard bore piston kit is a drop-in replacement for Can-Am Defender HD5 engines. Featuring a 94mm bore and Size A specification, it restores factory compression and power output. Ideal for rebuilds or top-end overhauls on 2017-2021 models.

Built For Performance

• Cast from high-silicon aluminum alloy for reduced expansion and longer life
• Precision-machined ring grooves for optimal oil control and seal
• Includes piston, rings, wrist pin, and circlips for complete installation
• Standard bore size eliminates need for cylinder boring
• Rigorous quality control ensures consistent weight and dimensions

Fits These Machines

• for Can-Am Defender HD5 2017
• for Can-Am Defender HD5 2018
• for Can-Am Defender HD5 2019
• for Can-Am Defender HD5 2020
• for Can-Am Defender HD5 2021

On-The-Job Use

• Engine rebuilding and top-end overhaul in Defender HD5 models
• Restoring performance after high mileage or worn piston
• Power sports repair shops performing routine engine maintenance

Specs At A Glance

Good To Know

Q: Does this piston kit include everything needed for installation? A: Yes, the kit comes with the piston, rings, wrist pin, and circlips. You will need to reuse your connecting rod and cylinder.

Q: Is this a direct replacement for the OEM piston? A: This Namura piston is designed as a direct replacement for the OEM piston in Can-Am Defender HD5 engines. Confirm your cylinder bore condition 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.