PK1432 Wiseco .020 Piston Gasket Set for Yamaha Raptor 660 2001-2005

Wiseco .020 Piston/Gasket Set for Yamaha Raptor 660

This Wiseco .020 over piston and gasket set, OEM cross-reference PK1432 and 4966M10050, is an oversized top-end rebuild kit for Yamaha Raptor 660 ATV engines.

Overview

This Wiseco .020 piston and gasket set for the Yamaha Raptor 660 provides the piston and sealing components needed to rebuild a top end at .020 oversize. The forged piston works with a bored or worn cylinder to restore compression and reliable power. It is built for riders and shops servicing 2001 through 2005 Raptor 660 machines.

Built For Performance

• Forged piston construction for strength under load
• .020 oversize sizing for bored or worn cylinders
• Complete gasket set seals the top end during reassembly
• OEM cross-reference PK1432 for easy parts matching
• OEM cross-reference 4966M10050 identifies the piston

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

• Top-end rebuilds on Raptor 660 ATVs
• Restoring compression on high-hour engines
• Trail and dune riding maintenance
• Workshop repairs and seasonal servicing

Specs At A Glance

Good To Know

Q: Is this piston oversized? A: Yes, this kit is .020 oversize and requires a matching bore size in the cylinder. Confirm your cylinder bore before ordering.

Q: What is included in this set? A: The set includes a forged piston along with the gaskets needed for a top-end rebuild. Verify the contents against your machine before installation.

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