Stainless Steel Skeg Protector Guard for Yamaha 150–350 HP Outboards – Replaces 27151
Stainless Steel Skeg Protector Guard for Yamaha 150–350 HP Outboards – Replaces 27151 is backordered and will ship as soon as it is back in stock.
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Stainless Steel Skeg Protector Guard for Yamaha 150–350 HP Outboard...
Stainless Steel Skeg Protector Guard for Yamaha 150–350 HP Outboards – Replaces 27151 is backordered and will ship as soon as it is back in stock.
Product Details
Protect your outboard motor's lower unit with this stainless steel Skeg Protector Guard. It is designed for compatible Yamaha 150–350 HP outboard motors and helps shield the existing skeg from impact damage caused by rocks, ramps, underwater debris, and other hazards.
This aftermarket guard is listed as a replacement for Yamaha part number 27151. Other aftermarket references associated with this style of guard include SupremeMarine 1902, Panther 35SS645, and Megaware SkegGuard 27151. Reference numbers are provided for identification only; always compare your skeg shape and mounting requirements before ordering.
- Bolt-on installation using the included mounting hardware.
- Constructed from heavy-duty, corrosion-resistant 18-gauge 316 marine-grade stainless steel.
- Self-draining design helps prevent trapped water and related freezing damage.
- Reinforced lower wear tab provides additional protection at the bottom of the skeg.
Part Number Matrix
Use the following references to help identify the correct replacement. Equivalent fitment should be confirmed against the engine and skeg before installation.
| Brand | Part Number |
|---|---|
| Yamaha | 27151 |
| SupremeMarine | 1902 |
| Panther | 35SS645 |
| Megaware SkegGuard | 27151 |
Engine & Model Compatibility
The following fitment range is provided as a guide for compatible Yamaha outboards. Yamaha model variations can use different skeg profiles, so compare the product images, original part reference, and physical skeg shape before purchase.
| Brand | Model | Rated HP | Stroke | Years | Reference Part No. |
|---|---|---|---|---|---|
| Yamaha | Various compatible models | 150 | 2-Stroke & 4-Stroke | 1984–Present | 27151 |
| Yamaha | Various compatible models | 175 | 2-Stroke & 4-Stroke | 1984–Present | 27151 |
| Yamaha | Various compatible models | 200 | 4-Stroke | 1984–Present | 27151 |
| Yamaha | Various compatible models | 175, 200, 225, 250 | 2-Stroke | 1984–2002 | 27151 |
| Yamaha | Various compatible models | 350 | 4-Stroke | 2009–Present | 27151 |
Technical Specifications
- Product Type
- Skeg Protector Guard
- Application
- Compatible Yamaha 150–350 HP outboard skegs
- Installation
- Bolt-on installation with mounting hardware; drilling is required
- Material
- 18-gauge 316 marine-grade stainless steel
- Finish
- Silver polished stainless steel
- Weight
- 0.62 kg (1.37 lbs)
- Thread Size
- 1/4 inch
- Additional Features
- Reinforced 3 mm lower wear tab, self-draining design, and mirror-polished finish
What's in the Box
- 1 x Stainless Steel Skeg Protector Guard
- 1 x Installation hardware kit, including mounting bolts, hex key tool, and thread locker
Installation Notes
- Clean the skeg thoroughly and remove dirt, grease, paint buildup, and marine growth.
- Slide the guard over the skeg to check the fit. Confirm that it sits flush and does not interfere with the propeller or gearcase.
- With the guard positioned correctly, mark the drilling locations through the mounting holes.
- Remove the guard and carefully drill the marked holes using suitable marine-installation practices.
- Apply the supplied thread locker to the mounting bolts.
- Align the guard with the drilled holes and install the bolts. Tighten securely without overtightening.
- Check that the guard is firmly attached and free of movement. Allow the thread locker to cure according to its instructions before launching the boat.
Troubleshooting & FAQ
Will this fit my specific Yamaha F250LA outboard?
This guard is intended for compatible Yamaha 150–350 HP outboards within the listed year and stroke ranges. Because model-specific skeg profiles can vary, compare your skeg with the product images and verify that the original reference corresponds to 27151 or another listed reference before ordering.
Is drilling required for installation?
Yes. This is a bolt-on guard, but installation requires drilling the mounting holes in the skeg. The listed mounting hardware, hex key tool, and thread locker are included.
How does this guard compare with the original Yamaha skeg?
This is an aftermarket protective guard rather than an OEM Yamaha skeg. It fits over the existing skeg and is intended to help protect it from impact and wear. Confirm the guard profile and condition of the original skeg before installation.
How often should I inspect the skeg guard?
Inspect the guard during regular pre-launch and post-trip checks. Look for loose hardware, movement, cracks, deformation, corrosion, or impact damage.
What are the signs that the skeg guard needs replacing?
Replace the guard if it is bent, torn, cracked, severely worn, or if the mounting holes or hardware no longer hold it securely. The guard is a sacrificial protective component and should not be used when its attachment or protective function is compromised.
Does the drain opening help prevent corrosion?
The self-draining design allows water to escape when the motor is tilted up, reducing the chance of water being trapped inside the guard. It does not eliminate the need to rinse, inspect, and maintain the guard and skeg.
Is this an OEM part?
No. This is an aftermarket replacement skeg protector guard. Yamaha 27151 and the other references listed above are provided for identification and fitment comparison, not to imply that this product is manufactured by Yamaha or the other referenced brands.
Safety & Important Information
- Verify the product shape, measurements, mounting position, and reference number against your original skeg before ordering.
- Keep the complete engine, year, horsepower, stroke, and skeg-profile conditions together when confirming fitment.
- Do not install the guard if it interferes with the propeller, gearcase, steering, or other moving components.
- Use appropriate eye protection and safe drilling practices during installation.
- Professional installation is recommended if you are uncertain about drilling or mounting the guard.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts selected for demanding real-world conditions.
- Manufacturer-Direct Value — Practical replacement solutions focused on material quality and dependable fitment.
- Marine Application Support — Compare your engine details and original component carefully before installation.
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