659M07400 Wiseco Piston Kit .040 for Kawasaki JT900 900STS 1995-1997 74.00 mm

Piston Kit for Kawasaki JT900 900STS

This Wiseco .040 piston kit for Kawasaki JT900 900STS delivers a 74.00 mm bore size, ideal for top-end rebuilds on 1995-1997 models. This piston kit for Kawasaki JT900 900STS carries the 659M07400 reference so you can match it to your engine before ordering.

Overview

This Wiseco .040 piston kit is a 74.00 mm oversize top-end component set designed for rebuilding the Kawasaki JT900 900STS engine used from 1995 to 1997. It restores compression and piston-to-cylinder fit on engines that have been bored to the .040 oversize. This piston kit for Kawasaki JT900 900STS suits rebuilders and riders refreshing a worn top end.

Built For Performance

• Wiseco forged piston construction for strength under load
• .040 oversize at 74.00 mm to match a bored cylinder
• Reference 659M07400 stamped for the correct oversize identification
• Kit format supplies the piston and matching components for a top-end rebuild
• Engineered for the Kawasaki JT900 900STS two-stroke platform

Fits These Machines

• for Kawasaki JT900 900STS 1995
• for Kawasaki JT900 900STS 1996
• for Kawasaki JT900 900STS 1997

On-The-Job Use

• Top-end rebuild after cylinder boring to .040 oversize
• Restoring compression on a high-hour JT900 900STS engine
• Replacing a scored or worn piston during a jet pump service
• Seasonal refresh for personal watercraft kept in regular use

Specs At A Glance

Good To Know

Q: Does this piston kit fit a standard bore cylinder? A: No, this is a .040 oversize at 74.00 mm and requires the cylinder to be bored to match before installation.

Q: Is the part number verifiable? A: Yes, the 659M07400 reference identifies the .040 oversize piston kit for the JT900 900STS.

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