Namura .060 Over Bore Hi Comp Top End Repair Kit for Yamaha Banshee 350 65.5mm

Top End Repair Kit (.060 Over Bore, Hi Comp) for Yamaha Banshee 350 65.5mm

This .060 over bore hi compression top end repair kit is designed for the Yamaha Banshee 350, providing all necessary components to rebuild the upper cylinder with a 65.5mm bore size and increased compression for enhanced performance.

Overview

The .060 over bore hi comp top end repair kit for Yamaha Banshee 350 is a comprehensive set for restoring and upgrading the engine's top end. It includes pistons, rings, wrist pins, and circlips to deliver a precise 65.5mm bore and higher compression. This top end repair kit is ideal for ATV enthusiasts seeking reliable power and longevity from their Banshee 350.

Built For Performance

• Includes .060 oversize pistons for increased displacement and compression
• Hi-compression design boosts horsepower and torque output
• Precision-matched piston rings for optimal sealing and reduced blow-by
• Durable wrist pins and circlips ensure secure assembly
• Kit covers all top end components for a complete rebuild

Fits These Machines

• for Yamaha Banshee 350

On-The-Job Use

• Rebuilding worn top end for restored engine performance
• High-performance trail and dune riding applications
• Engine overhaul during seasonal maintenance or racing preparation
• Increasing compression for improved throttle response and power

Specs At A Glance

Good To Know

Q: What components are included in this top end repair kit? A: The kit includes pistons, rings, wrist pins, circlips, and gasket set needed for a complete top end rebuild for the Yamaha Banshee 350 with .060 over bore.

Q: Do I need to replace the cylinder with this kit? A: No, the .060 over bore kit is designed for use with a stock cylinder that has been bored to 65.5mm, so the cylinder itself is reused after proper machining.

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