757M08450 Wiseco Piston Kit .020 for Yamaha Wave Runner XL1200 1998 84.50 mm

.020 Piston Kit for Yamaha Wave Runner XL1200

This Wiseco .020 oversize piston kit is made for the 1998 Yamaha Wave Runner XL1200, featuring an 84.50 mm bore and OEM cross-reference 757M08450 for a precise rebuild.

Overview

This .020 piston kit for Yamaha Wave Runner XL1200 gives riders a reliable top-end rebuild option when the cylinder needs light cleanup. The 84.50 mm oversize piston restores compression and smooths engine response on the water. It suits the 1998 XL1200 and is a practical pick for shops and DIY mechanics.

Built For Performance

• 84.50 mm oversize bore for .020 over stock cylinder
• Wiseco forged construction for strength under load
• OEM cross-reference 757M08450 for confident fitment
• Ring set included for a complete top-end job
• Wrist pin and clips included where specified by kit

Fits These Machines

• for Yamaha Wave Runner XL1200 1998

On-The-Job Use

• Top-end rebuilds on the 1998 XL1200 engine
• Bores that require .020 over sizing
• Marine engine shops and DIY rebuilds
• Restoring compression after light cylinder wear

Specs At A Glance

Good To Know

Q: Does this kit fit a stock cylinder? A: It is a .020 oversize kit, so the cylinder must be bored to 84.50 mm before installation. Confirm your bore size before ordering.

Q: Is this an original Yamaha part? A: No, this is a Wiseco piston kit made to fit the 1998 Yamaha Wave Runner XL1200. It is not an original Yamaha product.

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