Size B Piston Bearing & Gasket Kit for Yamaha 1993-2001 YZ80 Standard Bore 47mm

Size B Piston Bearing & Gasket Kit for Yamaha

This Size B Piston Bearing & Gasket Kit for Yamaha includes the piston, bearing, and gaskets needed to rebuild the top end of a 1993-2001 YZ80 with a standard 47mm bore.

Overview

The Size B Piston Bearing & Gasket Kit for Yamaha is a complete top-end rebuild set for the YZ80. It includes the piston, piston pin, bearing, rings, and all necessary gaskets for a reliable rebuild. This kit is designed for the standard 47mm bore size used in 1993-2001 YZ80 models.

Built For Performance

• Includes high-quality piston rings for optimal sealing
• Features a durable wrist pin bearing
• Contains all required gaskets for a complete top-end installation
• Precision-machined piston for exact fitment
• Designed to meet OEM specifications

Fits These Machines

• for Yamaha YZ80 1993-2001

On-The-Job Use

• Rebuilding the top end of a YZ80 engine
• Replacing worn piston and rings during a full engine overhaul
• Restoring compression and performance for motocross or trail riding
• Ensuring proper sealing with new gaskets during reassembly

Specs At A Glance

Good To Know

Q: Does this kit include the cylinder gasket? A: Yes, the kit includes all necessary gaskets for a top-end rebuild.

Q: What is the difference between Size B and other sizes? A: Size B indicates the piston diameter rating for standard bore; other sizes are for overbore applications.

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