11004-3720 Head Gasket for Kawasaki SX-R 800 2003-2011

Head Gasket for Kawasaki SX-R 800

This head gasket seals the cylinder head to the engine block on the Kawasaki SX-R 800, cross-referencing OEM part number 11004-3720 to help restore proper compression and cooling on your personal watercraft.

Overview

This head gasket is a direct-fit sealing component for the Kawasaki SX-R 800 engine, designed to sit between the cylinder head and cylinder block to prevent combustion gas and coolant leaks. Built to match OEM part number 11004-3720, it helps the engine maintain proper compression and temperature control. It is intended for riders and mechanics servicing the SX-R 800 between 2003 and 2011.

Built For Performance

• Cross-references OEM part number 11004-3720
• Seals the cylinder head to the block to maintain compression
• Helps prevent coolant and combustion gas leaks
• Constructed for marine engine heat and pressure conditions
• Direct replacement fit for the SX-R 800 engine

Fits These Machines

• for Kawasaki SX-R 800, 2003 to 2011

On-The-Job Use

• Top-end rebuilds and cylinder head removal jobs
• Restoring compression on a personal watercraft engine
• Routine engine maintenance and gasket replacement
• Cooling system repairs involving the cylinder head

Specs At A Glance

Good To Know

Q: Does this gasket need to be replaced every time the head is removed? A: Yes, a head gasket is a one-time-use sealing component and should be replaced whenever the cylinder head is removed. Reusing an old gasket can lead to compression loss and coolant leaks.

Q: Are new head bolts required when installing this gasket? A: Many engine manufacturers recommend inspecting or replacing head bolts on reassembly to ensure proper torque. Follow the service manual torque sequence and specs for the SX-R 800 engine.

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