4 Namura .020 Over Bore Piston Kits for Yamaha WaveRunner VX 1100 2005-15 76.5mm

4 Namura .020 Over Bore Piston Kits for Yamaha

This set of four .020 over bore piston kits from Namura is designed for the Yamaha WaveRunner VX 1100, restoring power and reliability in engines from 2005 to 2015.

Overview

These Namura piston kits offer a .020 oversize option for rebuilding Yamaha WaveRunner VX 1100 engines. Each kit includes a piston, rings, wrist pin, and clips, providing everything needed for a top-end rebuild. They are an ideal choice for restoring compression and performance on 2005-2015 models.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• .020 over bore size at 76.5mm for increased displacement
• Includes premium piston rings for improved sealing
• Heat-treated wrist pin for durability
• Matched weight for balanced engine operation

Fits These Machines

• for Yamaha WaveRunner VX 1100 (2005-2015)

On-The-Job Use

• Rebuilding WaveRunner VX 1100 engines after wear
• Restoring lost compression in high-hour personal watercraft
• Replacing worn pistons during top-end overhauls
• Increasing engine displacement for more power

Specs At A Glance

Good To Know

Q: Do these piston kits include rings and pins? A: Yes, each kit comes complete with rings, wrist pin, and retaining clips for a full top-end rebuild.

Q: Are these pistons compatible with standard bore cylinders? A: No, these are .020 over bore pistons and require the cylinder to be bored to 76.5mm; they are not for standard bores.

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