2018 Suzuki DF25AS EFI 25HP Outboard Motor – Portable 4-Stroke Boat Engine with Battery-Less Electronic Fuel Injection
$3,183.00
The 2018 Suzuki DF25AS EFI 25HP Outboard Motor is a lightweight and powerful portable 4-stroke boat engine featuring Suzuki Battery-Less Electronic Fuel Injection and Lean Burn Control technology. Designed for smooth acceleration, easy starting, and excellent fuel efficiency, this Suzuki 25HP outboard motor is ideal for aluminium fishing boats, inflatables, dinghies, and small recreational vessels across Australia and New Zealand.
2018 Suzuki Marine DF25AS EFI 25HP Outboard Motor
The 2018 Suzuki DF25AS EFI 25HP Outboard Motor represents the latest generation of portable marine engines from Suzuki. Built with advanced engineering and innovative fuel technology, this outboard provides powerful performance, excellent fuel efficiency, and long-term reliability for both recreational and professional boaters.
The DF25A series introduced Battery-Less Electronic Fuel Injection (EFI) technology, making it one of the first portable outboard motors in the 25HP class to operate EFI without requiring a battery. This breakthrough system simplifies engine operation while delivering all the advantages of fuel injection, including fast starting, smooth throttle response, and improved fuel economy.
Powered by a 489cc three-cylinder SOHC 4-stroke engine, the DF25AS produces strong torque and smooth power delivery across the full RPM range. Whether used for fishing boats, inflatable boats, small work boats, or recreational vessels, this engine provides dependable performance in freshwater and saltwater environments across Australia and New Zealand.
Suzuki’s Lean Burn Control System automatically optimizes the air-fuel mixture based on engine load and speed. The result is lower fuel consumption, reduced emissions, and longer cruising range, making the DF25AS a smart and economical choice for modern boaters.
Key Features of the Suzuki DF25AS 25HP Outboard
Battery-Less Electronic Fuel Injection
Suzuki’s Battery-Less EFI system delivers modern fuel injection benefits without requiring an external battery. Key advantages include:
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Faster and more reliable engine starting
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Smooth throttle response
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Excellent fuel efficiency
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Reduced emissions
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Lightweight and simplified design
Lean Burn Control Technology
The Suzuki Lean Burn Control System continuously monitors engine performance and adjusts the fuel mixture for optimal efficiency. This technology improves fuel economy while maintaining strong engine performance.
Easy Starting System
The DF25AS offers manual recoil starting with optional electric start, allowing reliable engine starts in all conditions while keeping the engine portable and easy to operate.
Smooth and Powerful Performance
The SOHC 3-cylinder 4-stroke engine design delivers smooth operation and strong torque within the 5,000 – 6,000 RPM operating range, providing consistent and dependable performance.
Built-In Engine Protection
The Suzuki DF25AS includes several protective systems to ensure safe and reliable engine operation:
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Over-rev limiter
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Low oil pressure warning system
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Digital CDI ignition system
These features help protect internal engine components and extend engine life.
Freshwater Flushing System
The freshwater flush port allows easy cleaning of the cooling system after saltwater use, helping prevent corrosion and extend engine durability.
Shallow Water Drive
The shallow water drive feature allows the engine to operate safely in shallow areas, making it ideal for river boating, fishing, and coastal navigation.
Suzuki Anti-Corrosion Protection
Suzuki’s advanced anti-corrosion coating system protects the engine against harsh marine environments, ensuring long-lasting durability.
Technical Specifications – Suzuki DF25AS EFI
General Information
Manufacturer: Suzuki Marine
Model Year: 2018
Model Name: DF25AS EFI
Trim: Base
Engine Type: SOHC 4-Valve 4-Stroke
Cylinders: 3
Engine Specifications
Maximum Power: 25 HP
Displacement: 489 cc (29.8 cu in)
Bore: 71 mm (2.80 in)
Stroke: 68 mm (2.68 in)
Operating RPM Range: 5,000 – 6,000 RPM
Fuel & Ignition
Fuel System: Suzuki Battery-Less Electronic Fuel Injection with Lean Burn Control
Ignition System: Digital CDI
Choke: Electronic Fuel Injection
Electrical System
Alternator Output:
Manual Start – 12V 14A
Electric Start – 12V 14A
Dimensions & Weight
Recommended Transom Height: 20 inches
Weight:
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Manual Start: 136.6 lbs
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Electric Start: 143 lbs
Propulsion
Gear Ratio: 2.09:1
Steering: Tiller or Remote Steering
Propeller: 3-Blade Aluminum (9.25 × 10)
Capacities
Engine Oil Capacity: 1.5 L (1.6 qt)
Trim & Tilt
Trim Adjustment: 5 Tilt Pin Positions
Power / Gas Assist Trim System
What’s Included in the Box
When purchasing the 2018 Suzuki DF25AS EFI 25HP Outboard Motor, the package includes:
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1 × Suzuki DF25AS EFI Outboard Motor
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1 × 3.1 Gallon External Fuel Tank
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1 × Fuel Line and Connector
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1 × Standard Aluminum Propeller
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1 × Suzuki Tool Kit
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1 × Owner’s Manual
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1 × Suzuki Manufacturer Warranty (3 Years)
🚚 Shipping Policy – Outboard and Small Engines
At Outboard and Small Engines, we provide fast, reliable, and free nationwide shipping across Australia — and now offer international delivery to select destinations.
📍 Shipping Coverage
Australia: We ship to all destinations within Australia.
International: We ship worldwide using trusted carriers including DHL, FedEx, UPS, and Australia Post International.
🕐 Order Cut-Off Time
Orders placed before 12:00 PM AEST (Mon–Fri) are processed the same business day.
Orders placed after this time will be processed the next business day.
🛠 Handling Time
Orders are prepared and dispatched within 1–2 business days.
🚚 Transit Time
Australia: 3–7 business days after dispatch
International: 7–14 business days after dispatch
📦 Total Delivery Time
Australia: Estimated delivery window is 4–9 business days
International: Estimated delivery window is 8–16 business days
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