Cylinder Head Gasket – Fits Yamaha F150/F175/F200 Outboard Engines (Replaces 6DA-11181-00-00)
Cylinder Head Gasket – Fits Yamaha F150/F175/F200 Outboard Engines (Replaces 6DA-11181-00-00) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Free standard shipping on all orders under 1 KG
Cylinder Head Gasket – Fits Yamaha F150/F175/F200 Outboard Engines ...
Product Details
This replacement Cylinder Head Gasket – Fits Yamaha F150/F175/F200 Outboard Engines is engineered for Yamaha's inline 4-cylinder 2.8L outboard motors from 2002 to the present. It serves as a direct-fit component, ensuring a reliable seal for optimal engine compression and performance.
This part directly replaces Yamaha OEM part 6DA-11181-00-00 and EMP aftermarket part 27-00649.
- Designed for direct OEM-equivalent installation.
- Constructed for use in marine gasoline engines.
- Package includes one cylinder head gasket.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 6DA-11181-00-00 |
| EMP | 27-00649 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Specifically designed for the following Yamaha outboard motors:
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Yamaha | F150 | 150 | 4-Stroke | 2002–Present | 6DA-11181-00-00 |
| Yamaha | F165 | 165 | 4-Stroke | 2002–Present | 6DA-11181-00-00 |
| Yamaha | F175 | 175 | 4-Stroke | 2002–Present | 6DA-11181-00-00 |
| Yamaha | FL175 | 175 | 4-Stroke | 2002–Present | 6DA-11181-00-00 |
| Yamaha | F185 | 185 | 4-Stroke | 2002–Present | 6DA-11181-00-00 |
| Yamaha | F200 | 200 | 4-Stroke | 2002–Present | 6DA-11181-00-00 |
| Yamaha | FL200 | 200 | 4-Stroke | 2002–Present | 6DA-11181-00-00 |
| Yamaha | FL150 | 150 | 4-Stroke | 2002–Present | 6DA-11181-00-00 |
Technical Specs
- Product Type
- Cylinder Head Gasket
- Installation
- Direct OEM replacement
- Fuel Type
- Gasoline
- Housing Material
- Composite/Metal
- Dimensions
- 55.0 cm L x 27.5 cm W x 0.5 cm H
- Other Technical Attributes
- OEM reference: 6DA-11181-00-00
What’s in the Box
- 1 x Gasket, Cylinder Head (6DA-11181-00-00)
Installation Notes
- Ensure the engine is cool and disconnected from the battery. Drain the cooling system.
- Remove the valve cover, timing belt/chain, and camshafts to access the cylinder head bolts.
- Loosen and remove the cylinder head bolts in the reverse order of the manufacturer's tightening sequence.
- Carefully lift the cylinder head off the engine block. Do not pry between the head and block.
- Remove the old head gasket and thoroughly clean both the cylinder head and engine block surfaces. Ensure they are free of any old gasket material, oil, or debris.
- Place the new gasket onto the engine block, ensuring correct orientation using the dowel pins.
- Carefully lower the cylinder head back into place over the gasket and dowel pins.
- Install new or cleaned cylinder head bolts and tighten them in stages, following the manufacturer’s specified torque sequence and values.
- Reassemble the remaining components (camshafts, timing belt/chain, valve cover, etc.) in reverse order.
- Refill the cooling system, reconnect the battery, and check for leaks after starting the engine.
Troubleshooting & FAQ
How do I know if this gasket fits my Yamaha engine?
This gasket is designed for Yamaha 2.8L inline 4-cylinder 4-stroke outboards (F150 to F200 models) from 2002 to present. The best way to confirm fitment is to check if your existing gasket's part number is 6DA-11181-00-00 or an equivalent from the Part Number Matrix. Always verify using the compatibility table provided.
What are common signs of a failed cylinder head gasket?
Symptoms of a bad head gasket include engine overheating, loss of power, white smoke from the exhaust (coolant burning), a milky appearance in the engine oil (oil and coolant mixing), or bubbles in the radiator or coolant reservoir.
Is this a single-use gasket?
Yes, cylinder head gaskets are designed for one-time use only. Never reuse a head gasket, as it will not seal correctly a second time and can lead to severe engine damage.
Do I need to apply sealant to this gasket during installation?
Most modern head gaskets are designed to be installed dry and do not require any additional sealants. Applying sealants can interfere with the gasket's ability to create a proper seal. Always follow the engine manufacturer's service manual for specific instructions.
Where can I find the correct torque sequence and specifications?
The correct torque sequence and values are critical for a successful installation. This information is specific to your engine and can be found in the official Yamaha service manual for your outboard model. Failure to follow the correct procedure can result in a failed seal or damage to the engine.
How does this aftermarket gasket compare to the OEM part?
This part is manufactured to meet or exceed OEM specifications using comparable, high-quality composite and metal materials. It is designed to offer the same performance and sealing capabilities as the original Yamaha part at a better value.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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