757M08450 Wiseco .020 Piston Kit for Yamaha Wave Runner 760 1997-2000 84.50 mm

Wiseco .020 Piston Kit for Yamaha Wave Runner 760

This Wiseco .020 overbore piston kit is made for the Yamaha Wave Runner 760 and restores top-end performance with an 84.50 mm bore size, cross-referenced to part 757M08450.

Overview

This Wiseco piston kit is a rebuild part for the Yamaha Wave Runner 760 personal watercraft, sized at .020 overbore for cylinders that need light cleanup. It provides the piston, rings, wrist pin, and circlips required to refresh the top end so the engine regains compression and reliable running. Owners and shops working on a high-hour 760 engine will find this Wiseco kit a practical replacement when the bore has been opened slightly.

Built For Performance

• Wiseco forged piston construction for durability in marine conditions
• .020 overbore sizing at 84.50 mm to match a lightly cleaned cylinder bore
• Part number 757M08450 for easy cross-reference
• Kit includes piston, rings, wrist pin, and circlips for a complete top-end refresh
• Built for the 1997-2000 Yamaha Wave Runner 760 engine platform
• Precision-machined ring grooves for consistent sealing

Fits These Machines

• for Yamaha Wave Runner 760 (1997-2000)

On-The-Job Use

• Top-end rebuilds after light cylinder honing
• Restoring compression on high-hour 760 engines
• Routine maintenance for personal watercraft owners
• Shop rebuilds requiring a slight overbore piston replacement

Specs At A Glance

Good To Know

Q: Does this kit fit a standard bore cylinder? A: No, this is a .020 overbore piston sized at 84.50 mm, so the cylinder must be bored or honed to match before installation.

Q: What is included in the kit? A: The kit ships with the piston, rings, wrist pin, and circlips needed for a top-end rebuild of the Yamaha Wave Runner 760.

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