Namura Standard Bore Size B Top End Kit for Polaris 2005-2010 non-HO 800 80mm

Standard Bore Size B Top End Kit for Polaris

This top end kit provides a complete replacement for the piston assembly in Polaris 800 non-HO engines with 80mm bore from 2005-2010.

Overview

This Namura top end kit is designed to restore compression and power in Polaris 800 non-HO snowmobile engines. The kit includes a cast piston, rings, wrist pin, and circlips for a complete top end rebuild. Ideal for riders seeking a reliable replacement top end kit for their Polaris 800.

Built For Performance

• Namura cast piston with precise skirt profile for consistent seal
• High-quality ring pack reduces blow-by and improves longevity
• Wrist pin and circlips included for a complete install
• Bore size 80mm with grade B specification
• Matched weight piston reduces vibration

Fits These Machines

• for Polaris 800 non-HO (2005)
• for Polaris 800 non-HO (2006)
• for Polaris 800 non-HO (2007)
• for Polaris 800 non-HO (2008)
• for Polaris 800 non-HO (2009)
• for Polaris 800 non-HO (2010)

On-The-Job Use

• Commonly used during top end rebuild of Polaris 800 non-HO engines
• Restores cylinder compression for better throttle response
• Ideal for riders experiencing loss of power or excessive oil consumption
• Used by mechanics and DIY enthusiasts for engine overhaul

Specs At A Glance

Good To Know

Q: Is this top end kit compatible with Polaris 800 HO engines? A: No, this kit is specifically for non-HO models; check your engine type before ordering.

Q: Do I need to replace the cylinder as well? A: This kit includes only the top end components; cylinder condition should be inspected and honed if necessary.

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