686cc Cylinder Piston Top End Kit for Yamaha Raptor Grizzly Rhino 660 2001-2008

686cc Cylinder Piston Top End Kit for Yamaha Raptor Grizzly Rhino 660 2001-2008

This 686cc cylinder piston top end kit rebuilds the upper engine on Yamaha Raptor, Grizzly, and Rhino 660 models from 2001 through 2008, combining the cylinder, piston, rings, and gaskets for a complete top end refresh.

Overview

This 686cc cylinder piston top end kit provides the main parts for rebuilding the upper half of a Yamaha 660 engine. It suits owners of Raptor, Grizzly, and Rhino machines from 2001 to 2008 who need to correct low compression or rebuild a worn top end. The top end kit brings the cylinder, piston, and sealing components together for one straightforward rebuild.

Built For Performance

• 686cc class cylinder sized for the Yamaha 660 engine family
• Piston and ring set matched to the cylinder bore
• Gasket set for head, base, and related sealing surfaces
• Machined surfaces for a clean mating fit during assembly
• Bundled kit so all top end parts arrive together
• Direct replacement layout for the factory cylinder and piston

Fits These Machines

• for Yamaha Raptor 660 2001-2008
• for Yamaha Grizzly 660 2001-2008
• for Yamaha Rhino 660 2001-2008

On-The-Job Use

• Trail and dune riding on Raptor 660 machines
• Utility and farm work with Grizzly 660 ATVs
• Hauling duties with Rhino 660 side by sides
• Top end rebuilds after compression loss or oil consumption
• Scheduled maintenance on high hour 660 engines

Specs At A Glance

Good To Know

Q: What is included in this top end kit? A: The kit supplies the cylinder, piston, and gasket components needed to complete an upper engine rebuild on the listed machines.

Q: Does the year range cover my machine? A: The kit is listed for 2001 through 2008 Yamaha 660 models, but confirm your exact model and serial number before ordering.

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