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 Oceansouth full engine motor cover, Osculati 46.550.15, is tailored for Mercury 4-cylinder 4-stroke 2.1L outboard engines with 75 to 115 HP and a 20" leg length (2014 and later). Made from ATLAS 340 g/m² marine-grade fabric, it provides waterproof, breathable, and UV-resistant protection. Designed for open-area storage, this full-length cover shields the powerhead and mid-section from sun, rain, and debris, while its ventilated construction helps reduce internal condensation.
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$ 151,79
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.16, is precisely shaped for Mercury 4-cylinder 4-stroke 2.1L outboard engines with 75 to 115 HP and a 25" leg length (2014 and later). Made from ATLAS 340 g/m² marine-grade fabric, it provides waterproof, breathable, and UV-resistant protection. Designed for open-area storage, this full-length cover shields the powerhead and mid-section from weather, sunlight, and debris, while its ventilated design helps reduce condensation buildup.
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$ 160,94
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.19, is custom-shaped for Mercury 4-cylinder 4-stroke 995 cc outboard engines with 40 or 60 HP and a 20" leg length (2008 and later). Made 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 both the powerhead and mid-section from weather, sunlight, and debris, while its ventilated structure reduces internal condensation.
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$ 107,35
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.20, is tailored for Mercury 4-cylinder 4-stroke 995 cc outboard engines with 40 or 60 HP and a 25" leg length (2008 and later). Made from ATLAS 340 g/m² marine-grade fabric, it provides waterproof, breathable, and UV-resistant protection. Designed for open-area storage, this full-length cover shields the powerhead and mid-section from weather, sunlight, and debris, while its ventilated construction helps reduce internal moisture buildup.
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$ 107,35
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1-2 weeks delivery time The Oceansouth full engine motor cover, Osculati 46.550.21, is specifically shaped for Mercury 3-cylinder 4-stroke 747 cc outboard engines with 40 HP and a 15" leg length (2008 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 provides complete protection for the powerhead and mid-section, shielding the engine from weather, sunlight, and debris, while its ventilated construction helps reduce internal moisture buildup.
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$ 103,88
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1-2 weeks delivery time The Osculati 46.550.22 full engine cover is precision-shaped for the Mercury 3-cylinder 4-stroke 747 cc outboard (40 HP, 20" leg, 2008 and later). Crafted from heavy-duty ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV-resistant, making it ideal for open-area storage while ensuring maximum protection against sun, rain, and environmental wear.
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$ 105,65
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1-2 weeks delivery time The Osculati 46.550.24 – Oceansouth Mercury 3 Cylinder 4T 526cc Full Engine Motor Cover is precision-tailored for Mercury outboards with 3-cylinder 4-stroke 526 cc engines, 25/30 HP, 15" leg length, manufactured from 2007 onwards. Constructed from ATLAS 340 g/m² marine-grade fabric, it is fully waterproof, breathable, and UV-resistant, making it ideal for open-area storage and extended protection against weather and sun damage.
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$ 99,21
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1-2 weeks delivery time The Osculati 46.550.26 – Oceansouth Mercury 3 Cylinder 4T 526cc Full Engine Motor Cover is custom-fitted for Mercury 3-cylinder 4-stroke 526 cc outboards rated at 25 or 30 HP with a 20" leg, manufactured from 2007 onwards. Built from ATLAS 340 g/m² marine-grade fabric, it offers waterproof, breathable, and UV-resistant protection, making it ideal for prolonged outdoor storage in harsh marine environments.
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$ 100,92
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1-2 weeks delivery time The Osculati 46.550.27 – Oceansouth Mercury 2 Cylinder 4T 333cc Full Engine Motor Cover is designed for perfect fit on Mercury 2-cylinder 4-stroke 333 cc outboards rated at 15 or 20 HP with a 15" leg, manufactured from 2018 onwards. Made from ATLAS 340 g/m² marine-grade fabric, it offers waterproof, breathable, and UV-resistant protection, ensuring reliable long-term storage performance in outdoor environments.
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$ 94,94
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1-2 weeks delivery time The Osculati 46.550.28 – Oceansouth Mercury 2 Cylinder 4T 333cc Full Engine Motor Cover is precisely shaped for Mercury 2-cylinder 4-stroke 333 cc outboards rated at 15 or 20 HP with a 20" leg, produced from 2018 onwards. Manufactured from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant, providing dependable long-term outdoor storage protection.
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$ 96,66
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1-2 weeks delivery time The Osculati 46.550.30 – Oceansouth Mercury 2 Cylinder 4T 209cc Full Engine Motor Cover is precisely shaped to fit Mercury 2-cylinder 4-stroke 209 cc outboards rated at 8 or 9.9 HP with a 15" leg, manufactured from 2006 onwards. Made from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant, ensuring dependable protection for open-area storage in all weather conditions.
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$ 86,35
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1-2 weeks delivery time The Osculati 46.550.31 – Oceansouth Mercury 2 Cylinder 4T 209cc Full Engine Motor Cover is custom-shaped for Mercury 2-cylinder 4-stroke 209 cc outboards rated at 8 or 9.9 HP with a 20" leg, produced from 2006 onwards. Constructed from ATLAS 340 g/m² marine-grade fabric, it offers waterproof, breathable, and UV-resistant protection, making it ideal for long-term open-area storage in harsh marine conditions.
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$ 88,06
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1-2 weeks delivery time The Osculati 46.550.33 – Oceansouth Mercury 1 Cylinder 4T 123cc Full Engine Motor Cover is specifically tailored for Mercury 1-cylinder 4-stroke 123 cc outboards rated at 4, 5, or 6 HP with a 15" leg, manufactured from 2012 onwards. Made from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant, providing dependable long-term open-area storage protection.
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$ 85,05
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1-2 weeks delivery time The Osculati 46.550.34 – Oceansouth Mercury 1 Cylinder 4T 123cc Full Engine Motor Cover is precisely shaped for Mercury 1-cylinder 4-stroke 123 cc outboards rated 4/5/6 HP with a 20" leg, from 2012 onwards. Made of ATLAS 340 g/m² marine fabric, the cover is waterproof, breathable, and UV-resistant, ensuring reliable protection for open-area storage against rain, sun exposure, dust, and salt spray.
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$ 86,35
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1-2 weeks delivery time The Osculati 46.550.36 – Oceansouth Mercury 1 Cylinder 4T 85cc Full Engine Motor Cover is custom-shaped for Mercury 1-cylinder 4-stroke 85 cc outboards rated 2.5/3.5 HP with a 15" leg, for engines manufactured from 2007 onwards. Made of ATLAS 340 g/m² marine fabric, the cover is waterproof, breathable, and UV-resistant, ensuring dependable protection for open-area storage against rain, sun, dust, and salt spray.
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$ 81,21
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1-2 weeks delivery time The Osculati 46.550.37 – Oceansouth Mercury 1 Cylinder 4T 85cc Full Engine Motor Cover is tailored for Mercury 1-cylinder 4-stroke 85 cc outboards rated 2.5 or 3.5 HP with a 20" leg, produced from 2007 onwards. Crafted from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant, delivering reliable protection for open-area storage against sun, rain, dust, and salt spray.
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$ 85,48
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1-2 weeks delivery time The Osculati 46.550.49 – Oceansouth Mercury V12 7.6L Full Engine Motor Cover is engineered for Mercury V12 7.6L outboards rated 500/600 HP with a 25" leg, manufactured from 2021 onwards. Built from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant, providing maximum protection for open-area storage in harsh marine environments.
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$ 483,61
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1-2 weeks delivery time The Osculati 46.550.50 – Oceansouth Mercury V12 7.6L Full Engine Motor Cover is purpose-built for Mercury V12 7.6L outboards rated 500/600 HP with a 30" leg, manufactured from 2021 onwards. Crafted from ATLAS 340 g/m² marine-grade fabric, this cover is waterproof, breathable, and UV resistant, providing complete protection during open-area storage in demanding marine environments.
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$ 490,64
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1-2 weeks delivery time The Osculati 46.550.51 – Oceansouth Mercury V12 7.6L Full Engine Motor Cover is designed for Mercury V12 7.6L outboards rated 500/600 HP with a 35" leg, manufactured from 2021 onwards. Made from ATLAS 340 g/m² marine-grade fabric, it is waterproof, breathable, and UV resistant, offering durable all-weather protection for open-area storage.
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$ 495,82
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1-2 weeks delivery time The Osculati 46.541.01 – Oceansouth Yamaha V8 4T 5.3L Motor Cover is specifically shaped for Yamaha 5.3 L V8 4-stroke outboards rated 350 HP with a 25" leg, produced from 2007 onwards. Made of ATLAS 340 g/m² marine-grade fabric, the cover is waterproof, breathable, and UV resistant; intended for use when the engine is off and ideal for open-area storage to protect against sun, rain, dust, and salt spray.
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$ 112,72
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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.