Namura .020 Over Bore Piston Kit for Polaris SLX780, SL780 & SLT780 71.8mm

Namura .020 Over Bore Piston Kit for Polaris

This piston kit from Namura provides a .020 over bore size (71.8mm) for rebuilding Polaris SLX780, SL780, and SLT780 engines.

Overview

The Namura .020 Over Bore Piston Kit for Polaris offers a precision-machined replacement piston for personal watercraft engines. This 71.8mm piston kit restores compression and performance in SLX780, SL780, and SLT780 models. It is an ideal choice for engine rebuilds requiring an oversize piston.

Built For Performance

• High-strength aluminum alloy casting
• Precision-machined piston skirt for reduced friction
• Includes piston rings for proper sealing
• Oversize .020 over bore to refresh worn cylinders
• Wrist pin and circlips included
• Designed for reliable operation in high-RPM marine engines

Fits These Machines

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

On-The-Job Use

• Engine rebuild for personal watercraft
• Restoring lost power in Polaris jet skis
• Marine engine maintenance and repair
• Oversize bore applications for worn cylinders

Specs At A Glance

Good To Know

Q: Is the piston kit pre-assembled? A: No, the piston rings and wrist pin need to be installed, but all components are included.

Q: Will this fit other Polaris models? A: It is specifically designed for SLX780, SL780, and SLT780; other models may require different piston kits.

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