Wiseco Std Piston Crankshaft Gasket Set for Yamaha YZ125 2003-2004 54.00mm Bore

Piston, Crankshaft, and Gasket Set for Yamaha

This Wiseco standard piston, crankshaft, and gasket set is made for the 2003-2004 Yamaha YZ125 with a 54.00mm bore.

Overview

This Wiseco top and bottom end kit delivers a matched piston, crankshaft, and gasket set for Yamaha YZ125 rebuilds. It is aimed at riders and mechanics who want a complete 54.00mm bore refresh without hunting down individual parts. Everything needed for the rebuild sits in one package.

Built For Performance

• Wiseco forged piston engineered for high-compression two-stroke performance
• 54.00mm standard bore sizing for direct replacement on stock cylinders
• Balanced crankshaft assembly for smooth engine operation
• Complete gasket set for sealing the rebuild from base to head
• Matched components designed to work together as a set

Fits These Machines

• for Yamaha YZ125 2003
• for Yamaha YZ125 2004

On-The-Job Use

• Full top and bottom end rebuilds
• Race season refresh on a YZ125
• Restoring a worn or seized engine
• Preventive maintenance at rebuild intervals

Specs At A Glance

Good To Know

Q: Does this set include everything for a full rebuild? A: The set combines the standard piston, crankshaft, and gasket components for a YZ125 rebuild. Confirm any additional bearings or seals your specific job may require before ordering.

Q: Is the 54.00mm bore size standard? A: Yes, 54.00mm is the standard bore for this application, so no overbore machining is implied. Verify your cylinder condition before installation.

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