Wiseco .080 Piston Crankshaft Gasket Set 102mm for Yamaha Raptor 660 2001-2005

Wiseco .080 Piston, Crankshaft and Gasket Set for Yamaha Raptor 660

This Wiseco .080 overbore piston, crankshaft and gasket set is built for the 2001-2005 Yamaha Raptor 660, delivering a 102.00mm bore for riders rebuilding a tired top end or refreshing the entire bottom end in one go.

Overview

This Wiseco piston, crankshaft and gasket set is a matched rebuild kit for the 2001-2005 Yamaha Raptor 660, pairing a .080 overbore piston with a crankshaft and the gaskets needed to seal everything back up. The 102.00mm bore size restores compression and displacement on a worn engine, making this piston and crankshaft set a practical choice for riders and shops handling a full bottom to top rebuild.

Built For Performance

• .080 overbore piston with a 102.00mm bore size for a clean, true cylinder fit
• Matched crankshaft included to replace a worn or tired original unit
• Full gasket set supplied to reseal the top end and bottom end during assembly
• Forged piston construction from Wiseco for strength under high-rpm riding
• Kit format saves the hassle of sourcing piston, crank and gaskets separately

Fits These Machines

• for Yamaha Raptor 660, 2001
• for Yamaha Raptor 660, 2002
• for Yamaha Raptor 660, 2003
• for Yamaha Raptor 660, 2004
• for Yamaha Raptor 660, 2005

On-The-Job Use

• Full engine rebuilds on 2001-2005 Yamaha Raptor 660 quads
• Restoring lost compression on a high-hour or smoking engine
• Overbore rebuilds where the cylinder has been bored to 102.00mm
• Shop and home-mechanic rebuild projects that need matched piston and crank parts

Specs At A Glance

Good To Know

Q: Does this kit require boring the cylinder? A: Yes, a .080 overbore piston at 102.00mm needs the cylinder bored and honed to match before assembly.

Q: Is the crankshaft a direct replacement? A: The crankshaft is intended to replace the stock unit on 2001-2005 Yamaha Raptor 660 engines during a full rebuild.

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