790M08150 Wiseco Piston for Yamaha Wave Venture XL700 81.50mm .020

Wiseco .020 Piston for Yamaha Wave Venture XL700

This Wiseco .020 overbore piston (cross-reference 790M08150, 81.50mm) renews the top end of your 2002 Wave Venture XL700 and brings compression back toward factory spec.

Overview

This Wiseco piston for Yamaha Wave Venture XL700 uses a .020 overbore size to clean up a worn cylinder and restore a proper piston-to-wall fit. The 81.50mm bore suits riders repairing a 2002 XL700 engine for reliable weekend riding. Each piston for Yamaha Wave Venture XL700 delivers forged strength for marine two-stroke service.

Built For Performance

• .020 overbore size, cross-referenced to 790M08150
• 81.50mm piston diameter for the XL700 engine family
• Forged piston construction for strength under load
• Retains the standard block for a modest cleanup bore
• Manufactured by Wiseco for powersports and marine use

Fits These Machines

• for Yamaha Wave Venture XL700 2002
• for Yamaha Wave Venture 700 models using 81.50mm pistons

On-The-Job Use

• Top-end rebuilds with light cylinder wear
• Freshwater and saltwater personal watercraft use
• Restoring compression on high-hour 700 engines
• Preventive service before peak riding season

Specs At A Glance

Good To Know

Q: Will this piston fit without machining? A: A .020 overbore size normally requires the cylinder to be bored and honed to match before installation.

Q: Is this an original Yamaha piston? A: No, it is a Wiseco piston that cross-references the listed OEM number for the Wave Venture XL700.

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