647M05400 Wiseco Std Piston Kit for Yamaha YZ125 1994-1996 54.00 mm

Wiseco Std Piston Kit for Yamaha YZ125

This Wiseco standard piston kit for Yamaha YZ125 rebuilds the top end with a 54.00 mm bore piston, cross-referencing Wiseco part 647M05400.

Overview

This Wiseco standard piston kit for Yamaha YZ125 provides a direct-fit top-end solution for riders restoring 1994 to 1996 machines. The 54.00 mm piston returns the engine to factory bore dimensions for strong compression and smooth power. It suits mechanics and owners rebuilding a worn top end with quality Wiseco components for Yamaha YZ125 dirt bikes.

Built For Performance

• Standard 54.00 mm bore size matches original cylinder dimensions
• Wiseco part number 647M05400 stamped for easy verification
• Forged piston construction for strength under high-rpm loads
• Complete kit includes piston, rings, wrist pin, and circlips
• Designed for the 1994 to 1996 Yamaha YZ125 engine platform

Fits These Machines

• for Yamaha YZ125 1994
• for Yamaha YZ125 1995
• for Yamaha YZ125 1996

On-The-Job Use

• Top-end rebuilds after piston wear or seizure
• Routine maintenance on high-hour two-stroke engines
• Motocross and trail riding repairs
• Off-season engine freshen-ups

Specs At A Glance

Good To Know

Q: What is included in this piston kit? A: A Wiseco standard piston kit typically includes the piston, piston rings, wrist pin, and circlips for a complete top-end rebuild. Q: How do I confirm this fits my machine? A: Verify your model year, bore size, and OEM part number, and check your serial number before ordering.

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