Outboard Motor Cover – Fits Mercury, Yamaha, Honda 30-60 HP (Replaces MAR-MTRCV-ER-20, MAR-MTRCV-11-30)
Outboard Motor Cover – Fits Mercury, Yamaha, Honda 30-60 HP (Replaces MAR-MTRCV-ER-20, MAR-MTRCV-11-30) is backordered and will ship as soon as it is back in stock.
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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.
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Outboard Motor Cover – Fits Mercury, Yamaha, Honda 30-60 HP (Replac...
Outboard Motor Cover – Fits Mercury, Yamaha, Honda 30-60 HP (Replaces MAR-MTRCV-ER-20, MAR-MTRCV-11-30) is backordered and will ship as soon as it is back in stock.
Product Details
This universal Outboard Motor Cover provides robust protection for a wide range of Mercury, Yamaha, and Honda engines from 30-60 HP. Designed for both 2-stroke and 4-stroke models manufactured from 1995 to the present, it shields your engine cowling from UV rays, water, salt, and debris. The durable Oxford fabric features a non-abrasive backing to prevent scratches.
It serves as a direct replacement for several popular covers, including Yamaha OEM part MAR-MTRCV-ER-20, Mercury's MAR-MTRCV-11-30, and aftermarket equivalents from UCARE, OceanSouth, and GlückMarine.
- Installs quickly with a simple slip-on design secured by a drawstring and buckles.
- Constructed from heavy-duty 420D-600D Oxford Fabric with a water-repellent PVC coating.
- Protects against sun damage, dirt, and harsh marine environments, whether on the water or trailering.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha (OEM) | MAR-MTRCV-ER-20 | |
| Mercury (OEM) | MAR-MTRCV-11-30 | |
| SeaSierra | Outboard Motor Cover | Aftermarket |
| UCARE | Outboard Boat Motor Cover | Aftermarket |
| OceanSouth | 46.544.16 | Aftermarket (Honda 40/50 HP) |
| GlückMarine | Outboard Cover (30-60 HP) | Aftermarket |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This cover is designed for Mercury 2-stroke and 4-stroke models from 30 to 60 HP.
Fits a broad range of Yamaha 4-stroke and older 2-stroke engines from 30 to 60 HP.
Compatible with most modern Honda 4-stroke engines from 30 to 60 HP.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Mercury | Various | 30–50 | 2-Stroke | 1995–present | MAR-MTRCV-11-30 | Covers Carb/EFI models |
| Mercury | Various | 40–60 | 4-Stroke | 2000–present | MAR-MTRCV-11-30 | Covers EFI models |
| Yamaha | F30 | 30 | 4-Stroke | 2000–present | MAR-MTRCV-ER-20 | |
| Yamaha | F40 | 40 | 4-Stroke | 2000–present | MAR-MTRCV-11-40 | |
| Yamaha | F50/T50B | 50 | 4-Stroke | 2000–present | MAR-MTRCV-FS-70 | |
| Yamaha | F60/T60 | 60 | 4-Stroke | 2000–present | MAR-MTRCV-FS-70 | |
| Yamaha | 30-70 | 30–60 | 2-Stroke | 2000–present | MAR-MTRCV-ER-20 | Older 2-stroke models |
| Honda | BF30/BF40/BF50 | 30–50 | 4-Stroke | 2000–present | 46.544.16 | OceanSouth part number |
| Honda | BF60 | 60 | 4-Stroke | 2009–present | 46.553.13 | 3 cylinder 1L engine |
Technical Specs
- Product Type
- Full Outboard Motor Cover
- Installation
- Slip-on with drawstring fastening
- Housing Material
- 420D-600D Oxford Fabric with PVC Coating
- Housing Color
- Black
- Dimensions
- 71.87 × 56.7 inches (182.5 × 144 cm)
- Weight
- 13.4 ounces (380 g)
- Fitting Type
- Drawstring & elastic hem with buckles
- Operating Temperature
- -20°C to 70°C (-4°F to 158°F)
- Other Technical Attributes
- UV-resistant, water-repellent, non-abrasive backing
What’s in the Box
- 1 x Outboard Motor Cover
Installation Notes
- Ensure the engine is off and cool to the touch before installation.
- Wipe down the engine cowling to remove any dirt or debris.
- Slide the cover over the outboard motor from the top down, ensuring it is centered.
- Pull the drawstring at the bottom hem to tighten the cover snugly around the engine's leg.
- Secure the built-in buckles (if equipped) for an extra-secure fit, especially for trailering.
Troubleshooting & FAQ
Will this cover fit my 50 HP Yamaha 4-stroke?
Yes, this cover is designed to fit Yamaha F50 models from 2000 to the present. The adjustable drawstring ensures a secure fit. Always consult the compatibility table to confirm your specific model and year.
Is this cover suitable for trailering at highway speeds?
Yes. The combination of an elastic hem, drawstring, and sturdy buckles ensures the cover stays securely in place during transport, protecting your motor from road debris and weather.
How do I clean and maintain the cover?
To clean the cover, use a soft brush with mild soap and lukewarm water. Rinse thoroughly with fresh water and allow it to air-dry completely before storing. Avoid using harsh chemical cleaners or bleach.
What are the signs that I need to replace my motor cover?
Replace your cover if you notice signs of significant wear such as rips, tears, thinning fabric, or if the material has become brittle from sun exposure. A compromised cover will no longer provide adequate protection against water and UV damage.
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.
Payment & Security
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