783M05400 Wiseco Std Piston Kit for Kawasaki KX125 2001-2002 54.00 mm

Std Piston Kit for Kawasaki KX125

This standard bore piston kit for Kawasaki KX125 2001-2002 models, Wiseco reference 783M05400, replaces a worn top end at the stock 54.00 mm size for a direct-fit rebuild.

Overview

This Wiseco Std piston kit for Kawasaki KX125 2001-2002 engines is a stock-bore replacement for a worn or tired top end. The 54.00 mm piston kit for Kawasaki KX125 applications keeps the cylinder at its original size, so no boring or replating is needed. It suits riders and mechanics who want a straightforward rebuild that maintains factory displacement.

Built For Performance

• Forged piston construction for reliable strength in two-stroke motocross use
• 54.00 mm bore size matches the factory standard cylinder
• Wiseco reference 783M05400 identifies the correct standard kit
• Includes piston, rings, wrist pin, and circlips for a complete top-end job
• Designed for Kawasaki KX125 2001-2002 models

Fits These Machines

• for Kawasaki KX125 2001
• for Kawasaki KX125 2002

On-The-Job Use

• Stock-bore top-end rebuilds on KX125 motocross bikes
• Replacing a worn or scuffed piston at standard size
• Routine maintenance for high-hour two-stroke engines
• Race prep where factory displacement must be kept

Specs At A Glance

Good To Know

Q: Does this kit fit a cylinder that has already been bored oversize? A: No, this is a standard 54.00 mm piston and fits only a stock-bore cylinder. Confirm your bore size before ordering.

Q: What comes in the kit? A: The kit includes the piston, rings, wrist pin, and circlips. Gaskets and bearings are usually ordered separately depending on your rebuild needs.

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