741M05400 Wiseco Std Piston Kit for Kawasaki KX125 1999-2000 54.00 mm

Wiseco Std Piston Kit for Kawasaki KX125

This Wiseco standard piston kit for Kawasaki KX125 restores top end compression and is cross-referenced as 741M05400 with a 54.00 mm bore size.

Overview

This Wiseco std piston kit for Kawasaki KX125 is a direct-fit top end replacement engineered for 1999-2000 models. The 54.00 mm forged piston kit for Kawasaki KX125 restores lost compression so your two-stroke runs crisp and pulls hard again. Riders rebuilding a worn top end or refreshing a race bike will find the Wiseco piston kit for Kawasaki KX125 delivers the durability and performance they expect.

Built For Performance

• Forged aluminum construction for higher strength than cast pistons
• 54.00 mm standard bore size to match OEM cylinder dimensions
• Wiseco part number 741M05400 for easy cross-referencing
• Precision-machined ring grooves for consistent ring seal
• Kit includes piston, rings, wrist pin, and circlips
• Designed to handle high-rpm two-stroke operating conditions

Fits These Machines

• for Kawasaki KX125 1999
• for Kawasaki KX125 2000

On-The-Job Use

• Top end rebuilds on 1999-2000 KX125 motocross bikes
• Restoring compression after worn rings or piston scoring
• Race season refresh to maintain peak performance
• Trail and track riding where reliable power matters
• Preventive maintenance on high-hour engines

Specs At A Glance

Good To Know

Q: What is included in this Wiseco piston kit? A: The kit typically includes the piston, rings, wrist pin, and circlips needed for a top end rebuild.

Q: Do I need to measure my cylinder before ordering? A: Yes, always verify your bore size and check for cylinder wear or taper before fitting a new standard piston.

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