Namura .040 Over Bore Piston Kit for Can-Am Defender HD8 800 2016-2021 92mm

Namura .040 Over Bore Piston Kit for Can-Am

This Namura .040 over bore piston kit is a direct replacement piston assembly designed for Can-Am Defender HD8 800 models from 2016 to 2021, featuring a 92mm bore size for restoring engine compression and power.

Overview

The Namura .040 over bore piston kit is a high-quality replacement piston assembly for Can-Am Defender HD8 800 engines. It provides the necessary oversize to refresh worn cylinders and restore lost performance. This 92mm piston kit is ideal for DIY rebuilds and professional engine overhauls on the Can-Am Defender HD8 800.

Built For Performance

• Precision-machined 92mm bore with .040 oversize for a tight cylinder fit
• High-strength aluminum alloy construction for durability
• Includes piston rings and wrist pin for complete installation
• Designed to match OEM specifications for reliable performance
• Reduces engine blow-by and improves compression

Fits These Machines

• for Can-Am Defender HD8 800 (2016-2021)

On-The-Job Use

• Engine rebuilding and overhauls on Can-Am Defender HD8 800
• Restoring power and efficiency after high-mileage wear
• Trail riding, utility work, and recreational off-road use
• Replacing worn pistons during top-end engine repairs

Specs At A Glance

Good To Know

Q: Will this piston kit fit my Can-Am Defender HD8 800? A: Yes, it is designed for the 2016-2021 Defender HD8 800 with the 800cc engine, using a 92mm bore. Confirm your engine serial number for compatibility.

Q: Do I need to replace the cylinder or just the piston? A: This kit is intended for use with a cylinder that has been bored to 92mm. If your cylinder is worn beyond .040 over, you may need a larger oversize or new cylinder.

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