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

Namura Standard Bore Top End Kit Size A for Can-Am Defender HD5 (2017-2021, 94mm)

This top end kit provides all necessary components to rebuild the cylinder head assembly of 2017-2021 Can-Am Defender HD5 models, featuring a 94mm bore size.

Overview

The Namura Standard Bore Top End Kit Size A is a direct replacement for the original cylinder assembly on Can-Am Defender HD5 vehicles from 2017 to 2021. It includes a cylinder, piston, rings, and gaskets to restore compression and performance. This 94mm kit is designed specifically for the HD5 engine configuration.

Built For Performance

• Precision-machined cylinder and piston for accurate fit
• High-quality ring set for optimal sealing and compression
• Includes all necessary gaskets for a complete top-end rebuild
• Matches OEM bore size of 94mm for standard bore applications
• Namura aftermarket quality ensures reliable engine performance

Fits These Machines

• for Can-Am Defender HD5 (2017-2021)

On-The-Job Use

• Engine top-end rebuild after high mileage or failure
• Restoring power and efficiency on utility and recreational vehicles
• Rebuilding engines for competitive or trail use
• Maintenance tasks requiring cylinder and piston replacement

Specs At A Glance

Good To Know

Q: Does this kit include the cylinder head? A: No, this is a top end kit that includes the cylinder, piston, rings, and gaskets, but not the cylinder head or valves.

Q: Is the piston size standard or oversized? A: This kit is standard bore with a 94mm piston; if your cylinder is worn beyond spec, you may need a bore and oversized piston.

Slight variation in finish or dimensions may occur between production runs, and serial number changes may affect fitment, so confirm compatibility before ordering.