757M08400 Wiseco Std Piston Kit for Yamaha Wave Runner XL1200 1998 84.00 mm

Wiseco Std Piston Kit for Yamaha Wave Runner XL1200

This Wiseco standard bore piston kit (OEM cross-reference 757M08400) provides a 84.00 mm piston assembly for rebuilding the top end of a Yamaha Wave Runner XL1200 personal watercraft engine.

Overview

This Wiseco Std Piston Kit is a standard bore replacement piston assembly built for the Yamaha Wave Runner XL1200. The kit restores compression and sealing in the cylinder for riders performing a top-end rebuild. It suits owners and mechanics working on 1998 Yamaha Wave Runner XL1200 models who need a dependable piston replacement.

Built For Performance

• Standard 84.00 mm bore size matching the original cylinder specification
• Forged piston construction for strength under high-rpm marine use
• Precision-machined ring grooves for consistent ring seating
• Designed to restore compression in a worn or damaged top end
• Direct fitment for the Yamaha Wave Runner XL1200 engine platform

Fits These Machines

• for Yamaha Wave Runner XL1200, 1998

On-The-Job Use

• Top-end rebuilds on 1998 Yamaha Wave Runner XL1200 watercraft
• Restoring compression after cylinder wear or piston damage
• Routine engine refresh during off-season maintenance
• Workshop repairs by marine mechanics and DIY riders

Specs At A Glance

Good To Know

Q: Does this kit include rings and clips? A: Piston kits of this type are typically supplied with the piston, rings, pin, and clips as a complete assembly, so confirm the contents with the listing before ordering.

Q: Can I install this without machining the cylinder? A: A standard bore piston requires a cylinder that is still within factory bore tolerance, so measure the cylinder and check for scoring before assembly.

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