Namura Standard Bore Piston Kit for Yamaha Moto-4 350 1987-1995 YFM350ER 83mm

Standard Bore Piston Kit for Namura

This standard bore piston kit for Namura is a replacement for Yamaha Moto-4 350 ATVs from 1987 to 1995, featuring an 83mm bore size and OEM cross-reference YFM350ER.

Overview

This standard bore piston kit for Namura is designed to restore compression and power in Yamaha Moto-4 350 engines. It replaces worn pistons with an 83mm bore size, matching the original YFM350ER specification. Ideal for 1987-1995 Yamaha Moto-4 350 models, this standard bore piston kit ensures reliable performance.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• Includes piston rings, wrist pin, and circlips
• Designed to match OEM specifications for direct fit
• Durable construction withstands high heat and stress
• Engineered for optimal compression and power output

Fits These Machines

• for Yamaha Moto-4 350 (YFM350ER) 1987-1995

On-The-Job Use

• Restores engine performance in recreational trail riding
• Used for engine rebuilds on Yamaha Moto-4 ATVs
• Ideal for replacing worn pistons in utility and sport ATVs
• Commonly applied in off-road riding and farm use

Specs At A Glance

Good To Know

Q: Will this piston kit fit my Yamaha Moto-4 350? A: Yes, this kit is designed for 1987-1995 Moto-4 350 models with 83mm bore.

Q: Does it include all necessary components? A: The kit includes the piston, rings, wrist pin, and circlips for a complete replacement.

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