Namura .020 Over Bore Top End Repair Kit for Polaris SLX780 SL780 SLT780 71.8mm

Namura .020 Over Bore Top End Repair Kit for Polaris SLX780 SL780 SLT780

This top end repair kit includes a .020 over bore piston and gasket set for Polaris SLX780, SL780, and SLT780 engines, providing a complete rebuilding solution.

Overview

This .020 over bore top end repair kit from Namura is designed for Polaris SLX780, SL780, and SLT780 jet ski engines. It includes a high-quality piston, rings, wrist pin, circlips, and all necessary gaskets for a full top end overhaul. This kit restores compression and performance in Polaris watercraft engines.

Built For Performance

• Precision-machined piston from high-silicon aluminum alloy for strength.
• Moly-coated skirt reduces friction and extends engine life.
• Complete gasket set included for a hassle-free rebuild.
• Oversized .020 bore increases displacement and power.
• Designed to meet or exceed OEM specifications for Polaris SLX/SL/SLT engines.

Fits These Machines

• for Polaris SLX780
• for Polaris SL780
• for Polaris SLT780

On-The-Job Use

• Personal watercraft engine rebuilding and maintenance.
• Restoring worn-out top ends in Polaris jet skis.
• Performance improvements for recreational water sports.
• Marine engine repair shops and DIY enthusiasts.

Specs At A Glance

Good To Know

Q: Will this kit work for a Polaris SL780 that has never been bored? A: This kit is for a .020 over bore, so the cylinder must be machined accordingly. Confirm the current bore size before ordering.

Q: Are the gaskets included in this kit? A: Yes, the top end repair kit includes all necessary gaskets for a complete installation.

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