Namura Standard Bore Top End Repair Kit for Polaris 300 2-Stroke ATV's 74.5mm

Standard Bore Top End Repair Kit for Polaris

This standard bore top end repair kit is designed for Polaris 300 2-stroke ATV's with a 74.5mm bore, providing all necessary components to restore engine compression and performance.

Overview

This top end repair kit for Polaris 300 2-stroke ATV's includes piston, rings, pin, and gaskets needed for a complete top end overhaul. The 74.5mm bore size ensures precise fit for stock cylinders. This kit offers a cost-effective solution for rebuilding your Polaris ATV engine.

Built For Performance

• Precision-machined piston for reliable compression
• High-quality rings for proper sealing
• Complete gasket set included for easy installation
• Direct replacement for standard bore Polaris 300 engines
• Durable construction to withstand high RPM operation

Fits These Machines

• for Polaris 300 2-Stroke ATV

On-The-Job Use

• Used during top end rebuild of Polaris 300 ATV engines
• Ideal for restoring lost compression in high-mileage engines
• Commonly installed by ATV enthusiasts and mechanics
• Great for preparing machines for trail riding or racing

Specs At A Glance

Good To Know

Q: What is included in this top end repair kit? A: The kit includes a piston, piston rings, wrist pin, and all necessary gaskets for a complete top end installation.

Q: Does this kit require any special tools for installation? A: Standard socket and torque wrench are sufficient, but a cylinder honing tool may be recommended for best results.

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