Namura .030 Over Bore Hi Compression Piston Kit for Yamaha Banshee 350 64.75mm

Namura .030 Over Bore Hi Compression Piston Kit for Yamaha Banshee 350

This Namura .030 Over Bore Hi Compression Piston Kit is a performance upgrade for Yamaha Banshee 350 ATVs, featuring a 64.75mm bore diameter to increase displacement and compression.

Overview

This hi compression piston kit increases compression ratio and power output for the Yamaha Banshee 350 twin-cylinder engine. The .030 over bore design requires cylinder boring to 64.75mm, making this hi compression piston kit ideal for performance rebuilds. Riders seeking maximum throttle response will benefit from this hi compression piston kit.

Built For Performance

• Forged aluminum construction for high-strength and heat resistance
• Hi compression dome design for increased cylinder pressure
• .030 oversize (64.75mm) for slight displacement gain
• Includes premium rings and wrist pin
• Precision-machined ring grooves

Fits These Machines

• for Yamaha Banshee 350

On-The-Job Use

• for dune riding and sand drags
• for trail performance riding
• for racing and competition
• for engine rebuilds with cylinder boring

Specs At A Glance

Good To Know

Q: Do I need to bore my cylinders for this kit? A: Yes, the .030 over bore piston kit requires the cylinder to be bored to 64.75mm and honed to final clearance.

Q: Will hi compression pistons require higher octane fuel? A: Typically hi compression piston kits may require premium or race fuel to prevent detonation; confirm with your tuner.

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