Namura .020 Over Bore Piston, Top Gasket Kit for Yamaha 350 4-Stroke ATVs 83.5mm

Namura .020 Over Bore Piston, Top Gasket Kit for Yamaha 350 4-Stroke ATVs

This Namura piston and top gasket kit is used to rebuild the top end of Yamaha 350 4-stroke ATV engines. The .020 over bore size of 83.5mm allows for reconditioning worn cylinders and restoring engine performance. The kit includes the piston, rings, and top gaskets needed for a complete overhaul.

Overview

This Namura piston and top gasket kit is a direct replacement for Yamaha 350 4-stroke ATV engines requiring a top-end rebuild. The .020 over bore (83.5mm) restores compression and power in worn cylinders. This piston and top gasket kit provides all essential components for a reliable overhaul.

Built For Performance

• Precision-machined piston from high-strength aluminum alloy
• Includes all necessary top end gaskets
• .020 over bore (83.5mm) for reconditioned cylinders
• Direct replacement for standard Yamaha 350 pistons
• Durable construction for extended engine life

Specs At A Glance

Good To Know

Q: Does this kit include piston rings? A: Yes, the piston rings are included along with the top gasket set.

Q: Can this piston be used for standard bore Yamaha 350? A: No, this is a .020 over bore piston and requires the cylinder to be bored to 83.5mm.

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