Mercury 25HP EFI Outboard Engine 25MH – Power Meets Precision on the Water
For boating enthusiasts who demand reliability, performance, and fuel efficiency, the Mercury 25HP EFI Outboard Engine 25MH is the ultimate solution. Whether you’re navigating rivers, lakes, or coastal waters, this outboard motor delivers smooth, quiet, and dependable operation every time.
Superior Engineering & Performance
Mercury’s 25HP EFI FourStroke outboard is designed with a powerful 500cc inline 3-cylinder engine, delivering consistent power while maintaining exceptional fuel efficiency. Equipped with an Electronic Fuel Injection (EFI) system, the engine ensures quick throttle response, cleaner emissions, and easy cold starts.
Key Engine Specifications:
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Engine Type: Mercury 25MH Inline 3 Four Stroke
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Horsepower: 25hp
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Shaft Length: 15” Short
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Weight: 132 lbs
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Steering: Tiller
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Starting Method: Manual
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RPM Range: 5400 – 5800 rpm
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Fuel System: EFI
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Induction System: 6-valve SOHC
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Warranty: 3-Year Mercury Marine Warranty
What’s in the Box?
Your purchase includes everything you need to get started:
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6.6-gallon External Fuel Tank
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Fuel Line Hose
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Service Tool Kit & Parts
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Stop Switch Lanyard
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Owner’s Manual
With a complete package and intuitive installation, this motor is ideal for both first-time users and experienced boaters.
Quiet and Comfortable Rides
Mercury has meticulously balanced the powerhead to reduce engine vibration. The addition of soft-rubber mounts ensures that engine vibrations are isolated and redirected, resulting in a quieter and smoother boating experience.
Whether you’re casting lines in a peaceful lake or cruising with family, you can enjoy a relaxing ride without loud engine noise.
Ergonomic and Adjustable Tiller
The adjustable tiller handle is another standout feature of this engine. It adapts to your preferences by allowing left- or right-handed throttling and can be adjusted laterally for enhanced control and comfort. This makes maneuvering more intuitive and enjoyable for all users.
Manual Start, Maximum Reliability
The Mercury 25MH offers a manual start system that’s dependable and efficient. Because the motor doesn’t require a battery, it’s ideal for minimal setups or lightweight boats. You can count on it to start easily even after long periods of non-use, which makes it perfect for seasonal boaters.
Why Choose Mercury?
For generations, Mercury has been the gold standard in marine propulsion. With innovation, reliability, and performance at the core of their design, Mercury outboards are built to exceed expectations. The 25HP FourStroke family represents the latest evolution in durable, versatile engines.
Other reasons to choose Mercury:
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Trusted by boaters worldwide
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Extensive dealer support network
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Long-term resale value
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Low maintenance costs
Related Product Categories
If you’re shopping for a different model or need accessories, explore these pages:
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Contact Us for expert help or bulk orders
Who This Motor Is Perfect For
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Recreational Fishermen: Enjoy stealth and quiet while trolling.
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Small Boat Owners: Ideal for skiffs, jon boats, and small inflatables.
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Off-Grid Boaters: No battery required—just fuel and go.
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Boaters Looking for Simplicity: Hassle-free installation and user-friendly features.
Why Trust Piese Moto Franco?
At Piese Moto Franco, we offer only genuine outboard engines from trusted manufacturers. Our team consists of marine equipment professionals with years of hands-on experience. Every product is backed by an official manufacturer warranty and we provide expert guidance, fast shipping, and responsive customer support.
FAQs
1. Can I order the Mercury 25HP 25MH online and get it delivered?
Yes, we offer worldwide delivery for all outboard motors. Once you place your order, our logistics team will coordinate shipment and provide tracking updates. Delivery times may vary depending on your location, but most orders ship within 2–5 business days.
2. Is the Mercury 25MH eligible for bulk pricing or business orders?
Absolutely. If you’re purchasing multiple units or ordering for a marine dealership, we offer volume discounts and tailored support. Contact us for details and a custom quote.
3. What is Electronic Fuel Injection (EFI) and why does it matter?
EFI is a system that electronically controls fuel delivery to the engine. It ensures better fuel efficiency, easier starts, and smoother performance—especially in cold weather. Unlike carbureted systems, EFI adjusts automatically to various conditions.
4. How often does this motor need maintenance?
Routine maintenance is simple and recommended every 100 hours or once per season. This includes checking the oil, replacing filters, and inspecting the propeller. Mercury provides a full maintenance schedule in the owner’s manual.
5. Can I use this engine in saltwater?
Yes, the Mercury 25MH is designed for both freshwater and saltwater use. Just be sure to flush the engine with fresh water after each saltwater trip to extend its lifespan and avoid corrosion.
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