95mm Standard Bore Cylinder Piston Gasket Rebuild Kit For YFZ450 2004-2013 449cc

95mm Standard Bore Cylinder Piston Gasket Rebuild Kit for YFZ450

This 95mm standard bore cylinder piston gasket rebuild kit restores top-end compression on 449cc YFZ450 engines, covering the cylinder, piston, rings, and gaskets in one package.

Overview

This 95mm standard bore cylinder piston gasket rebuild kit is a complete top-end solution for the 449cc YFZ450 engine. The kit supplies the cylinder, piston, rings, and gaskets needed to bring a worn top end back to standard bore spec. It suits riders and mechanics handling routine rebuilds on 2004 through 2013 machines.

Built For Performance

• 95mm standard bore size matches the factory 449cc displacement
• Piston, rings, and cylinder supplied as one matched rebuild set
• Gasket kit included to reseal the top end during assembly
• Direct-fit replacement for worn or scored original components
• Designed around 2004 to 2013 YFZ450 top-end geometry
• Keeps compression at stock levels without overboring

Fits These Machines

• for Yamaha YFZ450 2004
• for Yamaha YFZ450 2005
• for Yamaha YFZ450 2006
• for Yamaha YFZ450 2007
• for Yamaha YFZ450 2008
• for Yamaha YFZ450 2009
• for Yamaha YFZ450 2010
• for Yamaha YFZ450 2011
• for Yamaha YFZ450 2012
• for Yamaha YFZ450 2013

On-The-Job Use

• Top-end rebuilds after loss of compression
• Refreshing a high-hour trail or dune machine
• Replacing a scored or worn cylinder and piston
• Routine maintenance in a home or shop garage
• Restoring a used YFZ450 before resale

Specs At A Glance

Good To Know

Q: Does this kit require boring the cylinder? A: No, it is a standard bore kit built to the original 95mm spec, so no overbore machining is needed for a stock rebuild.

Q: Are the gaskets included with the cylinder and piston? A: Yes, the rebuild kit bundles the gasket set with the cylinder and piston so the top end can be resealed in one job.

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