6JC-11181-00-00 Head Gasket for Yamaha 222XD 1800 2023

Head Gasket for Yamaha

This head gasket, part number 6JC-11181-00-00, seals the cylinder head to the engine block on Yamaha 1800 series marine engines to maintain proper compression and prevent coolant and combustion leaks.

Overview

This head gasket is a direct-fit sealing component for Yamaha 1800 series marine engines, including the 222XD. It sits between the cylinder head and engine block to contain combustion pressure, coolant, and oil. Built for boat owners and marine mechanics performing top-end rebuilds or gasket replacements, this head gasket helps restore reliable engine sealing on the water.

Built For Performance

• Precision-cut to match OEM gasket dimensions for a proper seal
• Constructed from multi-layer steel for high heat and pressure resistance
• Designed to withstand continuous marine engine operating temperatures
• Seals coolant passages to prevent leaks and overheating
• Maintains cylinder compression for consistent engine performance

Fits These Machines

• for Yamaha 222XD 1800 (2023)
• for Yamaha 222SE 1800 (2023)

On-The-Job Use

• Top-end engine rebuilds on Yamaha 1800 series boats
• Cylinder head removal and reinstallation service
• Coolant leak repair at the head-to-block joint
• Compression loss diagnosis and repair
• Routine marine engine maintenance

Specs At A Glance

Good To Know

Q: Should I replace head bolts when installing a new head gasket? A: Many manufacturers recommend new torque-to-yield head bolts for a proper seal. Check your service manual for the specific requirement on your Yamaha 1800 engine.

Q: Can I reuse this head gasket if I remove the cylinder head again? A: No, head gaskets are single-use components and should be replaced any time the cylinder head is removed. Reusing a compressed gasket can cause leaks and compression loss.

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