Namura .040 Over Bore Hi Comp Top End Repair Kit for Yamaha Banshee 350 65mm

.040 Over Bore Hi Comp Top End Repair Kit for Namura for Yamaha Banshee 350 65mm

This top end repair kit is a high compression piston and cylinder assembly for Yamaha Banshee 350 engines, featuring a 65mm bore with .040 over size for increased displacement and performance. It is designed for Namura aftermarket components to restore or upgrade top end power. OEM cross-reference numbers are not explicitly provided, but this kit is engineered to match factory specifications for the Banshee 350.

Overview

This .040 over bore hi comp top end repair kit from for Namura provides everything needed to rebuild or upgrade the top end of a Yamaha Banshee 350. It includes a high compression piston, rings, wrist pin, and cylinder components to boost power and reliability. Whether you are restoring a worn engine or building for performance, this kit is a direct fit for the 65mm bore Banshee 350.

Built For Performance

• High compression piston design increases cylinder pressure for more horsepower
• .040 over bore size allows for cylinder cleanup and increased displacement
• 65mm bore diameter matched to Banshee 350 specifications
• Includes all necessary top end components for a complete rebuild
• Precision machined for consistent ring seal and durability
• Designed for use with premium fuels to maximize output

Fits These Machines

• for Yamaha Banshee 350

Specs At A Glance

Bore Size	65mm
Over Bore	.040
Compression Ratio	High Compression (specific ratio may vary)
Material	Cast aluminum piston with steel rings
Application	Yamaha Banshee 350

Good To Know

Q: Is this kit compatible with stock cylinder heads? A: Yes, this top end kit is designed to work with stock cylinder heads on Yamaha Banshee 350 engines, though tuning may be required for optimal performance.

Q: Does the kit include a gasket set? A: This kit includes piston, rings, wrist pin, and cylinder components, but gaskets are typically sold separately; check your specific needs before ordering.

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