COMPLETE TOP END PISTON KIT W/ GASKETS FIT FOR YAMAHA YZ125 2005-2021 54MM BORE

Top End Piston Kit for Yamaha YZ125

Complete top end piston kit with gaskets for Yamaha YZ125 2005-2021 models, featuring a 54mm bore piston designed to restore compression and engine performance.

Overview

This complete top end piston kit for Yamaha YZ125 delivers everything needed for a top end rebuild in one box. The 54mm bore piston and included gaskets work together to restore cylinder sealing and compression on 2005-2021 YZ125 machines. It is built for riders and mechanics handling routine top end service on their two-stroke motocross bike.

Built For Performance

• 54mm bore piston sized for the YZ125 cylinder
• Complete kit includes piston, rings, wrist pin, and gaskets
• Gasket set supports proper sealing during reassembly
• Designed as a direct replacement for top end service
• Suited to 2005-2021 Yamaha YZ125 applications

Fits These Machines

• for Yamaha YZ125 2005
• for Yamaha YZ125 2006-2010
• for Yamaha YZ125 2011-2015
• for Yamaha YZ125 2016-2021

On-The-Job Use

• Routine top end rebuilds on two-stroke motocross bikes
• Restoring compression after piston or ring wear
• Race season maintenance and refresh
• Trail and track bikes requiring periodic top end service

Specs At A Glance

Good To Know

Q: Does this kit include gaskets? A: Yes, the kit ships as a complete top end set with gaskets included for reassembly. A: Confirm your bore size and model year before ordering.

Q: Will it fit every YZ125 year listed? A: It is listed for 2005-2021 YZ125 models with a 54mm bore. Check your machine's serial number and cylinder spec to be certain.

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