40079M08300 Wiseco Std Piston for Kawasaki JT1500 Ultra LX 2010-2011 83mm 8.4:1

Std Piston for Kawasaki JT1500 Ultra LX

This Wiseco standard piston, part 40079M08300, is an 83 mm piston with an 8.4:1 compression ratio made for rebuilding the top end of personal watercraft engines.

Overview

This standard piston for Kawasaki is built to restore compression and power in jet ski engines. The piston for Kawasaki JT1500 Ultra LX craft carries an 83 mm bore and 8.4:1 compression ratio for stock rebuilds. Owners and shops use this Wiseco piston when the original bore and compression must be maintained.

Built For Performance

• 83 mm standard bore size for stock cylinders
• 8.4:1 compression ratio matches original specification
• Forged piston construction for marine-duty strength
• Precision ring grooves for reliable sealing
• Wiseco part number 40079M08300 for easy reference

Fits These Machines

• for Kawasaki JT1500 Ultra LX 2010
• for Kawasaki JT1500 Ultra LX 2011

On-The-Job Use

• Top-end rebuilds on personal watercraft
• Restoring compression after piston wear
• Freshwater and saltwater riding maintenance
• Seasonal engine refresh before summer use

Specs At A Glance

Good To Know

Q: Does this piston fit other JT1500 models? A: Fitment depends on bore size and compression ratio, so confirm these match your specific craft before ordering. Checking the engine serial number is recommended.

Q: Is a gasket kit required with this piston? A: A fresh top-end gasket set is commonly needed alongside a new piston for a proper rebuild. Inspect all sealing surfaces during installation.

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