Hydrofoil Stabilizer – Fits Yamaha, Mercury, Honda, Suzuki, Tohatsu 5-150 HP (Replaces GHmarine FO2001, UanofCn FO2001, NorthBoat HS001, Davis 440 Doel-Fin)
Hydrofoil Stabilizer – Fits Yamaha, Mercury, Honda, Suzuki, Tohatsu 5-150 HP (Replaces GHmarine FO2001, UanofCn FO2001, NorthBoat HS001, Davis 440 Doel-Fin) is backordered and will ship as soon as it is back in stock.
Worry-free returns
Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
International delivery times may vary due to customs processing.
Tracking information will be provided once your order ships.
Hydrofoil Stabilizer – Fits Yamaha, Mercury, Honda, Suzuki, Tohatsu...
Hydrofoil Stabilizer – Fits Yamaha, Mercury, Honda, Suzuki, Tohatsu 5-150 HP (Replaces GHmarine FO2001, UanofCn FO2001, NorthBoat HS001, Davis 440 Doel-Fin) is backordered and will ship as soon as it is back in stock.
Product Details
This Hydrofoil Stabilizer is designed for universal fitment on most outboard and stern drive motors from 5 to 150 HP, including models from Yamaha, Mercury, Honda, Suzuki, and Tohatsu. It improves boat performance by reducing bow rise and porpoising while enhancing steering control at both low and high speeds.
This part is a direct interchange for GHmarine FO2001, UanofCn FO2001, NorthBoat HS001, and Davis 440 Doel-Fin.
- Installs directly to the anti-ventilation plate (bolt-on, hardware included).
- Constructed from high-strength, UV-resistant PA66 plastic.
- Flexible design allows each foil to absorb shock independently.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| GHmarine | FO2001 |
| UanofCn | FO2001 |
| NorthBoat | HS001 |
| Davis | 440 Doel-Fin |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | OEM Part No. |
|---|---|---|---|---|
| Yamaha | Various | 5–150 HP | 2-Stroke & 4-Stroke | FO2001 |
| Mercury | Various | 5–150 HP | 2-Stroke & 4-Stroke | FO2001 |
| Honda | Various | 5–150 HP | 2-Stroke & 4-Stroke | FO2001 |
| Suzuki | Various | 5–150 HP | 2-Stroke & 4-Stroke | FO2001 |
| Tohatsu | Various | 5–150 HP | 2-Stroke & 4-Stroke | FO2001 |
Technical Specs
- Product Type
- Hydrofoil Stabilizer
- Installation
- Bolt-on (4 mounting holes, hardware included)
- Fuel Type
- Compatible with all fuel types
- Connection
- Direct mount to anti-ventilation plate
- Housing Material
- High-strength PA66 plastic (UV-resistant)
- Housing Color
- Black
- Weight
- 1.1 kg (2.42 lbs)
- Fitting Type
- Transom Mount
- Other Technical Attributes
- Flexible design allows each foil to flex independently to absorb shock
What’s in the Box
- 1 x Hydrofoil stabilizer (FO2001)
- 4 x Sets of stainless steel screws and nuts
- 1 x 6.5mm drill bit
- 1 x Installation instructions
Installation Notes
- Disconnect the battery and ensure the engine is off and tilted up securely.
- Position the hydrofoil onto the anti-ventilation plate, ensuring it is centered and level.
- Mark the four drill locations on the plate through the mounting holes on the hydrofoil.
- Carefully drill the four marked holes using the included 6.5mm drill bit.
- Apply a marine-grade sealant around the drilled holes to prevent water ingress and corrosion.
- Align the hydrofoil with the holes and securely fasten it using the provided stainless steel screws and nuts.
- Check that all hardware is tightened properly before lowering the engine and testing.
Troubleshooting & FAQ
Will this hydrofoil fit my specific engine model?
This stabilizer is designed for universal fitment on most outboard and stern drive motors from 5 to 150 HP. The key is to ensure your engine's anti-ventilation plate is large enough to accommodate the hydrofoil's mounting footprint. Always measure your plate before ordering.
What are the main benefits of installing a hydrofoil?
A hydrofoil provides lift at the stern, which helps the boat get on plane faster, reduces bow rise for better visibility, and minimizes porpoising (bouncing). It also improves stability and steering control at both low and high speeds, often resulting in better fuel efficiency.
Is drilling into my engine's cavitation plate safe?
Yes, drilling into the anti-ventilation (cavitation) plate is a standard and common procedure for installing hydrofoils. It is crucial to use a sharp drill bit and apply marine-grade sealant to the holes to prevent corrosion.
How do I know if the hydrofoil is positioned correctly?
The hydrofoil should be mounted as far back on the anti-ventilation plate as possible without interfering with propeller movement. It must be centered on the plate to ensure balanced lift and stable performance.
Will this flexible design break under pressure?
No, the flexible design is intentional. It allows each wing of the hydrofoil to flex independently, absorbing shocks from waves and impacts. This reduces stress on both the hydrofoil and the engine's mounting plate.
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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