Namura .030 Over Bore Piston Kit for Yamaha Banshee 350 fits 1987-2006 64.75mm

Namura .030 Over Bore Piston Kit for Yamaha

This is a Namura .030 over bore piston kit designed for Yamaha Banshee 350 models from 1987 to 2006, featuring a 64.75mm bore size.

Overview

This Namura .030 over bore piston kit is a direct fit replacement for Yamaha Banshee 350 ATVs built between 1987 and 2006. The 64.75mm piston allows you to refresh a worn cylinder while maintaining the original stroke, restoring compression and performance. This kit provides the necessary components for a proper top-end rebuild.

Built For Performance

• Namura brand aftermarket piston kit for reliable rebuilding
• .030 inch (0.76mm) oversize for worn cylinder bores
• 64.75mm piston diameter matched to the Banshee 350 engine
• Includes piston rings, wrist pin, and circlips for a complete setup
• High-strength aluminum alloy construction for durability
• Precision machined to OEM specifications

Fits These Machines

• for Yamaha Banshee 350 (1987-2006)

On-The-Job Use

• Engine rebuilds for recreational ATV riding
• Trail and dune riding where top-end power is needed
• Replacing worn pistons after high-mileage use
• Performance restoration for vintage Banshee models

Specs At A Glance

Good To Know

Q: Do I need to hone the cylinder before installing this piston? A: Yes, the cylinder should be professionally honed or bored to match the 64.75mm piston size to ensure proper ring seal and clearance.

Q: What is included in the piston kit? A: The kit includes the piston, rings, wrist pin, and circlips; you will need to reuse or replace your cylinder head gasket separately.

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