An outboard engine cover is a protective accessory designed to shield your boat's engine from harsh marine conditions. Made from durable and breathable materials like acrylic, these covers prevent damage from UV rays, moisture, and debris, ensuring year-round protection. With options for popular brands these covers fit various engine sizes, from V6 to V12, and are available for both 4-stroke and ProXS models. Featuring stylish designs and vents for airflow, they help maintain your engine’s performance while adding a sleek look to your boat.
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1-2 weeks delivery time The Osculati 46.540.16 Oceansouth Ventilated Motor Cover is designed for Mercury 3-cylinder 4-stroke 747cc outboards, 40 HP (2008 onwards) with a 15" leg. Made from ATLASTM polyester fabric (340 g/m²), it is waterproof, breathable, and UV-resistant. The ventilated design allows safe use during navigation, protecting the engine from UV rays, salt spray, and debris while maintaining airflow for cooling.
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$ 89,21
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1-2 weeks delivery time The Osculati 46.540.18 Oceansouth Ventilated Motor Cover is designed for Mercury 2-cylinder 4-stroke 333cc outboards from 15 to 20 HP (2018 onwards) with a 15" leg. Made from ATLASTM polyester fabric (340 g/m²), it is waterproof, breathable, and UV-resistant. The ventilated design allows safe use while navigating, protecting the engine from UV rays, salt spray, and debris while ensuring optimal airflow for cooling.
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$ 82,62
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1-2 weeks delivery time The Osculati 46.540.19 Oceansouth Ventilated Motor Cover is custom-made for Mercury 2-cylinder 4-stroke 209cc outboards from 8 to 9.9 HP (2006 onwards) with a 15" leg. Constructed from ATLASTM polyester fabric (340 g/m²), it is waterproof, breathable, and UV-resistant. The ventilated design allows safe use during navigation, ensuring the engine remains protected from UV rays, salt spray, and debris while maintaining optimal airflow for cooling.
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$ 90,99
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1-2 weeks delivery time This Oceansouth ventilated motor cover, model Osculati 46.540.20, is precisely shaped for Mercury 1-cylinder 4-stroke 123 cc outboard engines with 4/5/6 HP and 15" leg length (2012 and later). Made from ATLAS 340 g/m² fabric, it is waterproof, breathable, UV-resistant, and designed for open-area storage or use during navigation. Its tailored fit ensures optimal protection against weather and sun exposure while allowing proper ventilation to reduce condensation.
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$ 86,77
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1-2 weeks delivery time This Oceansouth ventilated motor cover, model Osculati 46.540.21, is precision-shaped for Mercury 1-cylinder 4-stroke 85 cc outboard engines with 2.5 or 3.5 HP and a 15" leg length (2007 and later). Manufactured from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV-resistant, ensuring effective engine protection during open-area storage or while navigating. The tailored fit reduces wind resistance and promotes ventilation, preventing moisture buildup and extending engine life.
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$ 83,86
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1-2 weeks delivery time This Oceansouth ventilated motor cover, model Osculati 46.540.23, is designed for Mercury 3-cylinder 4-stroke 500 cc outboard engines with 25 or 30 HP (2022 and later). Made from durable ATLAS 340 g/m² marine-grade fabric, it offers waterproof, breathable, and UV-resistant protection. The precision fit allows for use both in open-area storage and during navigation, while the ventilated structure helps prevent moisture buildup inside the cover.
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$ 86,77
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1-2 weeks delivery time The Oceansouth ventilated motor cover, Osculati 46.540.24, is tailored for Mercury 3-cylinder 4-stroke 526 cc outboard engines with 25 or 30 HP and a 15" leg length (2007 and later). Made from robust ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV-resistant, ensuring optimal protection during open-area storage or while navigating. The ventilated design minimizes condensation and maintains airflow for prolonged engine life.
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$ 86,77
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1-2 weeks delivery time The Oceansouth ventilated motor cover, Osculati 46.540.34, is designed for Mercury V12 7.6L outboard engines with 500 or 600 HP (2021 and later). Constructed from heavy-duty ATLAS 340 g/m² marine-grade fabric, it provides waterproof, breathable, and UV-resistant protection, making it ideal for open-area storage or on-water use. Its precise shape ensures a secure fit, while the ventilated structure minimizes condensation and maintains airflow around the engine.
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$ 488,48
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1-2 weeks delivery time The Oceansouth ventilated motor cover, Osculati 46.540.35, is specifically shaped for Mercury V8 4.6L outboard engines with 250 or 450 HP (2018 and later). Made from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant, providing long-lasting protection during open-area storage or navigation. The ventilated construction prevents condensation, while the precise fit ensures secure coverage in all weather conditions.
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$ 216,40
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1-2 weeks delivery time The Oceansouth ventilated motor cover, Osculati 46.540.36, is tailored for Mercury V6 3.4L outboard engines with 175 or 225 HP and a 25" leg length (2018 and later). Made from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant. Designed for both open-area storage and navigation, its ventilated structure reduces condensation while ensuring a secure, precise fit for optimal engine protection.
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$ 196,46
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.02, is custom-shaped for Mercury V8 4.6L outboard engines with 250 or 450 HP and a 25" leg length (2018 and later). Made from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant. Designed for open-area storage, this complete engine cover provides comprehensive protection from weather and sunlight, ensuring long-term durability and performance.
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$ 216,90
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1-2 weeks delivery time This Oceansouth full engine cover, Osculati 46.550.03, is precisely shaped for Mercury V8 4.6L outboards rated 250/450 HP with a 30" leg (2018 and later). Made from ATLAS 340 g/m² marine fabric, it is waterproof, breathable, and UV resistant for dependable protection in open-area storage. The tailored, full-length design shields the powerhead and mid-section, helping keep rain, dust, and sunlight off the engine while allowing moisture to escape.
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$ 223,38
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.04, is designed for Mercury Verado 6-cylinder 2.6L outboard engines with 200 or 400 HP and a 25" leg length (2005 and later). Made from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant, providing full coverage for the engine and mid-section. Perfect for open-area storage, this cover offers long-term protection from sun, rain, and dust while allowing internal ventilation to prevent condensation.
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$ 191
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.05, is custom-shaped for Mercury Verado 6-cylinder 2.6L outboard engines with 200 or 400 HP and a 30" leg length (2005 and later). Made from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant. Designed for open-area storage, it offers complete coverage over the engine and mid-section, protecting against weather, sunlight, and debris while allowing ventilation to prevent condensation buildup.
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$ 196,18
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.07, is custom-shaped for Mercury V6 3.4L outboard engines with 150, 175, or 225 HP and a 25" leg length (2018 and later). Made from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant, offering complete coverage for the engine and mid-section. Ideal for open-area storage, this cover provides long-term protection against sun, rain, and debris, while its ventilated design reduces condensation inside.
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$ 206,14
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.08, is tailored for Mercury V6 3.4L outboard engines with 175 or 225 HP and a 30" leg length (2018 and later). Crafted from ATLAS 340 g/m² marine-grade fabric, it offers waterproof, breathable, and UV-resistant protection for both the powerhead and mid-section. Designed for open-area storage, the cover shields the engine from sun, rain, and debris, while the ventilated design minimizes condensation buildup.
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$ 212,62
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.09, is specifically shaped for Mercury Verado 4-stroke 1.7L outboard engines with 135 or 200 HP and a 20" leg length (2005 and later). Made from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant. Designed for open-area storage, the cover offers full protection for the powerhead and mid-section, shielding the engine from weather, sunlight, and debris while its ventilated design helps prevent condensation.
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$ 152,93
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.10, is precision-shaped for Mercury Verado 4-stroke 1.7L outboard engines with 135 or 200 HP and a 25" leg length (2005 and later). Constructed from ATLAS 340 g/m² marine-grade fabric, it offers waterproof, breathable, and UV-resistant protection. Ideal for open-area storage, the cover shields the powerhead and mid-section from weather, sun, and debris, while its ventilated design prevents moisture buildup inside
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$ 160,94
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.12, is specifically shaped for Mercury 4-cylinder 4-stroke 3L outboard engines with 135 or 150 HP and a 20" leg length (2011 and later). Constructed from ATLAS 340 g/m² marine-grade fabric, it offers waterproof, breathable, and UV-resistant protection. Designed for open-area storage, the cover provides complete protection for the powerhead and mid-section, shielding against weather, sunlight, and debris, while its ventilated structure helps reduce internal moisture buildup.
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$ 139,61
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.13, is custom-shaped for Mercury 4-cylinder 4-stroke 3L outboard engines with 135 or 150 HP and a 25" leg length (2011 and later). Manufactured from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant. Designed for open-area storage, this full-length cover protects the powerhead and mid-section from weather, sunlight, and debris, while the ventilated construction minimizes condensation inside.
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$ 147,14
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How does a breathable outboard engine cover protect your motor year-round from harsh marine conditions?
A breathable outboard engine cover protects your motor year-round by allowing air to circulate, preventing moisture buildup and mildew, which can damage the engine over time. Made from durable materials like marine-grade polyester or canvas, these covers are designed to fit snugly over the cowling, shielding it from harmful environmental conditions like UV rays and saltwater. In addition to protection, modern and stylish designs, such as grey camo, can add a sleek look to your boat while ensuring your outboard motor remains in top condition.
For a selection of premium covers, check out our Evinrude Boat Motor Covers, designed to safeguard your engine from the elements.
What role does proper cover fit play in ensuring maximum protection for outboard motors?
Proper cover fit is essential in ensuring maximum protection for outboard motors by providing a snug barrier that shields the engine from harmful elements like UV rays, moisture, and debris. Whether using a custom-made motor hood cover or a marine canvas boat cover, having the dimensions that closely match your particular model prevents gaps that could expose the motor to potential damage. A well-fitted cover, like those made from marine-grade polyester or with grey camo designs, offers year-round protection while adding style to your boat and ensuring your outboard motor looks and performs at its best.
For a perfect fit and superior protection, explore our Mercury Outboard Motor Covers, designed for durability and all-weather defense.
What are the benefits of using marine-grade polyester in boat engine covers for UV and moisture protection?
Marine grade polyester in boat engine covers offers superior UV and moisture protection, ensuring your outboard motor is shielded year-round from harsh marine conditions. The durable cover material helps prevent fading and water damage while maintaining breathability, making it both functional and stylish. Whether it's a custom-made or universal cover, this top-of-the-line protection adds a touch of style to your outboard boat while keeping it in the best condition possible.
For Yamaha owners, explore our collection of Yamaha Outboard Motor Covers for tailored fit and long-lasting performance.