YZ80 Cylinder Piston Top End Kit 1993-2001 

This kit is designed to fit Yamaha YZ85 and will also fit Yamaha YZ80 models. It includes everything you need to give your machine a fresh top end. The Cylinder is Nikasil plated cast aluminum and has a 47.5mm bore and factory stroke. Cylinders are factory honed, deburred and lightly chamfered. Niche offers this kit with a standard sized cast piston kit and a performance top end gasket kit. All parts are bolt-on ready and no modifications are required in order for you to complete installation.

• Complete Standard Sized Replacement Cylinder Kit
• Nikasil Plated Cylinder Bore and Stroke 47.50mm x 47.80mm
• Cylinder Displacement 85cc / Compression 8.2:1
• Includes Moly Coated Performance Piston Kit, Gasket Kit and More
• Direct Replacement Parts for Hassle-Free Installation