602M07700 Wiseco Std Piston Kit for Yamaha WaveRunner LX 650 1990-1992 77.00mm

Piston Kit for Yamaha WaveRunner LX 650

This Wiseco standard bore piston kit is a rebuild component for the Yamaha WaveRunner LX 650, cross-referenced under part number 602M07700 with a 77.00mm bore.

Overview

This Wiseco standard piston kit provides the stock bore piston and rings needed to rebuild a worn top end on the Yamaha WaveRunner LX 650. As a 77.00mm bore piston kit, it maintains the original cylinder dimensions without boring. It suits riders and mechanics rebuilding a 1990 to 1992 LX 650 engine.

Built For Performance

• Wiseco forged piston construction for strength under load
• Standard 77.00mm bore keeps the original cylinder size
• Kit includes piston and matching rings for the rebuild
• Fits Yamaha WaveRunner LX 650 models from 1990 through 1992
• Cross-references part number 602M07700

Fits These Machines

• for Yamaha WaveRunner LX 650, 1990
• for Yamaha WaveRunner LX 650, 1991
• for Yamaha WaveRunner LX 650, 1992

On-The-Job Use

• Top end rebuilds on the LX 650 two-stroke engine
• Cylinder refresh jobs that keep the stock bore
• Restoring compression on a high-hour personal watercraft
• Seasonal maintenance for older WaveRunner models

Specs At A Glance

Good To Know

Q: Does this piston kit require boring the cylinder? A: No, a standard bore piston is designed for a cylinder still at its original 77.00mm size. Measure the bore and check piston clearance before ordering.

Q: Is this an original Yamaha part? A: No, this is a Wiseco piston kit made for the Yamaha WaveRunner LX 650 and cross-referenced to part number 602M07700.

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