757M08400 Wiseco Std Piston Kit for Yamaha Wave Runner XL760 1997-2000 84.00 mm

Wiseco Std Piston Kit for Yamaha Wave Runner XL760

This Wiseco standard bore piston kit replaces OEM 757M08400 with 84.00mm pistons to restore compression and performance in Yamaha Wave Runner XL760 personal watercraft.

Overview

This Wiseco std piston kit for Yamaha Wave Runner XL760 delivers stock-bore replacement pistons for 1997-2000 models that do not need cylinder machining. Each kit includes an 84.00mm piston with rings, wrist pin, and circlips for a complete top-end refresh. Riders and shops rebuilding a worn two-stroke engine keep factory bore dimensions with this standard size kit.

Built For Performance

• Forged piston construction for durability in marine two-stroke engines
• 84.00mm standard bore size, OEM cross-reference 757M08400
• Rings, wrist pin, and circlips included for a complete top-end install
• Stock bore sizing keeps the original cylinder dimensions
• Built for Yamaha Wave Runner XL760 rebuilds

Fits These Machines

• for Yamaha Wave Runner XL760 1997
• for Yamaha Wave Runner XL760 1998
• for Yamaha Wave Runner XL760 1999
• for Yamaha Wave Runner XL760 2000

On-The-Job Use

• Top-end rebuilds with cylinders still within stock bore spec
• Jet ski engine refreshes before the riding season
• Replacing a scored or worn factory piston
• Routine maintenance on higher-hour two-stroke engines

Specs At A Glance

Good To Know

Q: Does this kit require cylinder machining? A: No, this standard bore piston is sized to 84.00mm for cylinders still within factory spec.

Q: Is this an original Yamaha part? A: No, this is a Wiseco piston kit made for Yamaha Wave Runner XL760 models and is sized to the OEM 757M08400 reference.

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