54mm Bore Cylinder Piston Top End Rebuild Kit for Yamaha YZ125 2005-2021

Product Overview

This aftermarket replacement cylinder piston top end rebuild kit is intended for the listed Yamaha YZ125 2005, 2006-2021 applications and features a 54mm bore as stated in the title. A cylinder piston top end rebuild kit supplies the piston and related top-end components needed when rebuilding the upper cylinder assembly of a two-stroke engine. The kit is supplied for comparison with the listed Yamaha YZ125 applications.

Key Features & Performance

• Provides a 54mm bore cylinder piston top end rebuild kit for the listed two-stroke engine applications.
• Intended for Yamaha YZ125 2005, 2006-2021 applications as stated in the title.
• Used when rebuilding the upper cylinder assembly during engine service.
• Helps restore the normal function of the top end assembly after the original piston components have failed.

Fitment & Compatibility

• for Yamaha YZ125 2005 applications
• for Yamaha YZ125 2006-2021 applications

Common Uses

• Replacing a worn or damaged top end piston assembly during engine service.
• Servicing the upper cylinder area after the existing piston or related components become damaged.
• Restoring the normal function of the top end assembly after the original piston components have failed.

Technical Specifications

• Product Type: Cylinder piston top end rebuild kit
• Bore Size: 54mm
• Model Application(s): Yamaha YZ125 2005, 2006-2021
• General Application: Two-stroke top end rebuild service

Frequently Asked Questions

Q: What does a cylinder piston top end rebuild kit do? A: It provides the piston and top end components used when rebuilding the upper cylinder assembly of a two-stroke engine.

Q: How should fitment be verified? A: Compare the existing part number and confirm the complete equipment model designation and 54mm bore size before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.