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:
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Current OEM Replacement: 697-11181-A2-00
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Superseded From: 697-11181-A1-00 (The number you provided)
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Superseded From: 697-11181-A0-00
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Superseded From: 697-11181-01-00 / 697-11181-00-00
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Mercury/Mariner Cross-Reference: 27-81252M
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Sierra Marine: 18-3848
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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.
| Horsepower |
Model Series |
Common Years |
| 48 HP |
E48 / E48CMH |
1995 – 2000 |
| 55 HP |
55B / 55BE / 55BM / 55BET |
1990 – 1995 |
| 55 HP |
C55 / CV55 |
1989 – 1995 |
| 55 HP |
E55 / E55CMH |
1990 – 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
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Heat Resistant: Engineered to withstand operating temperatures exceeding 100°C without compromising seal integrity.
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Corrosion Protection: Coated to resist the aggressive nature of salt-water cooling passages.
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Precision Cut: Guaranteed alignment with water jacket ports to prevent hotspots and engine overheating.
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OEM Spec Performance: Manufactured to the same thickness and compression rating as the original Yamaha part.
We appreciate your business and are committed to providing exceptional service and timely delivery. Please review the shipping information below before placing your order.
Is It In Stock?
Over 98% of the products listed on our website are in stock.
If a part is not currently in stock, we will notify you as soon as we process your order. We process all orders on the same business day they are received.
If you would like to confirm availability before placing your order, please contact us.
Packaging
Rest assured that all items will be securely packaged to minimise the risk of damage during transit. Fragile or high-value parts may be packaged with additional protective materials such as bubble wrap, foam padding, or reinforced cartons.
Where Do You Ship From?
All parts are stocked and shipped from our location at The Boat Works Marina on the Gold Coast, Australia.
Shipping Rates
Shipping rates vary based on the size, weight, and destination of the package. Estimated shipping costs are displayed during checkout before your order is placed.
Free Shipping – Australia
We offer Free Shipping on parts orders over $55 within Australia.
If you select Free Freight, your order will generally be sent using Australia Post Standard or another standard delivery service.
Australia Post standard delivery is typically 4–10 business days within Australia.
If delivery time is important, we recommend selecting one of our paid express freight services.
Please note:
- Certain items do not qualify for Free Freight. Please refer to the product description for details.
- Dangerous goods, oils, lubricants, DeFOUL, Propspeed products, batteries, and certain oversized items may be excluded from Free Freight and may require road freight services.
Order Tracking
Once your order has been dispatched, you will receive an email containing your tracking number and carrier information.
Who Do You Ship With?
We ship using:
- Australia Post
- StarTrack
- Team Global Express
- UPS
- DHL Express
- FedEx
- TNT
- Couriers Please
- Freight forwarding and brokerage services such as Transdirect
We have extensive experience shipping throughout Australia and worldwide. We will select the carrier we believe is most suitable for your location and the type of goods being shipped.
If you would prefer to use your own carrier account or would like to discuss shipping options, please contact us.
International Orders
We ship worldwide.
International orders may be subject to import duties, taxes, VAT/GST, customs clearance fees, brokerage charges, and other fees imposed by the destination country.
These charges are not included in the product price or shipping cost displayed at checkout and are the responsibility of the recipient.
Customs regulations vary by country. In some cases, customs authorities may require additional information such as a passport number, national identification number, tax identification number, or business registration number before a shipment can be cleared for delivery.
If you are unsure what charges may apply in your country, we recommend contacting your local customs office before placing an order.
