YAMAHA CYLINDER HEAD GASKET 697-11181-A1

Aftermarket Cylinder Head Gasket | Replaces Yamaha 697-11181-A1

Restore the compression and cooling efficiency of your Yamaha outboard with this premium aftermarket cylinder head gasket. This high-performance replacement is engineered to provide a robust seal between the cylinder head and the block, specifically for Yamaha’s 2-stroke, 2-cylinder engines.

Constructed from multi-layer reinforced materials, this gasket is designed to handle the high-vibration and high-heat environment of a marine powerhead, ensuring long-term reliability against salt-water corrosion.

Part Number & Supersession History

This aftermarket gasket is a direct replacement for a long line of Yamaha OEM part numbers. If your service manual lists any of the following, this is the correct part:

• Current OEM Replacement: 697-11181-A2-00

• Superseded From: 697-11181-A1-00 (The number you provided)

• Superseded From: 697-11181-A0-00

• Superseded From: 697-11181-01-00 / 697-11181-00-00

• Mercury/Mariner Cross-Reference: 27-81252M

• Sierra Marine: 18-3848

• Recmar: REC697-11181-A1

Fitment & Compatibility

This gasket fits Yamaha 2-Stroke, 2-Cylinder outboard motors in the 48 HP to 55 HP range, primarily manufactured between 1990 and 2005.

Note: This gasket is designed for the 2-cylinder block. It is often a key component in the full powerhead gasket kit 697-W0001-02.

Product Features

• Heat Resistant: Engineered to withstand operating temperatures exceeding 100°C without compromising seal integrity.

• Corrosion Protection: Coated to resist the aggressive nature of salt-water cooling passages.

• Precision Cut: Guaranteed alignment with water jacket ports to prevent hotspots and engine overheating.

• OEM Spec Performance: Manufactured to the same thickness and compression rating as the original Yamaha part.