236M05800 Wiseco Piston Kit .080 for Yamaha MX125 1974-1976 58.00 mm

Wiseco .080 Piston Kit for Yamaha MX125

This Wiseco .080 piston kit for Yamaha MX125 1974-1976 models provides a 58.00 mm oversize replacement piston for top-end rebuilds.

Overview

This Wiseco piston kit is built to restore compression and performance on Yamaha MX125 machines from 1974 through 1976. The 58.00 mm oversize piston kit gives worn or damaged cylinders a fresh bore size for a complete top-end rebuild. Riders and mechanics rebuilding a vintage MX125 will find this Wiseco piston kit a reliable choice for bringing the engine back to life.

Built For Performance

• Wiseco forged piston construction for strength under high rpm
• 58.00 mm oversize bore size for worn cylinders
• Kit includes piston, rings, pin, and clips for a complete top-end job
• Designed for the Yamaha MX125 1974-1976 engine platform
• Precision machined for consistent fit and sealing

Fits These Machines

• for Yamaha MX125 1974
• for Yamaha MX125 1975
• for Yamaha MX125 1976

On-The-Job Use

• Top-end rebuilds on vintage MX125 motocross bikes
• Restoring compression on worn or scored cylinders
• Race prep and engine refresh during off-season service
• Bore-up repairs requiring an oversize piston

Specs At A Glance

Good To Know

Q: Does this kit include rings and clips? A: Yes, this Wiseco piston kit ships as a complete top-end set with piston, rings, pin, and clips. Confirm the bore size matches your cylinder before ordering.

Q: Can I install this without boring the cylinder? A: This .080 oversize piston requires the cylinder to be bored and honed to match the 58.00 mm size. Check your current bore and piston clearance 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.