Honda Marine BF40 Outboard Motor

The Honda BF40 is a powerful and fuel-efficient 40 HP four-stroke outboard designed for fishing boats, pontoons, aluminum boats, and recreational watercraft. Featuring an advanced 808 cc three-cylinder engine with Programmed Fuel Injection (PGM-FI), the BF40 delivers outstanding acceleration, excellent fuel economy, and Honda’s legendary reliability.

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Key Features

Powerful & Efficient Performance

• Reliable 40 HP Honda four-stroke engine
• 808 cc three-cylinder SOHC engine for smooth, responsive performance
• Advanced Programmed Fuel Injection (PGM-FI) for instant starts, improved fuel economy, and crisp throttle response
• Offset crankshaft design reduces vibration and steering effort
• Patented non-linear engine mounting system for exceptionally smooth operation
• No oil and gasoline mixing required

Built for Reliability

• Over-rev limiter protects the engine from excessive RPM
• Overheat and low-oil warning systems safeguard the engine
• Fresh-water flush port simplifies maintenance after saltwater use
• Three sacrificial anodes provide superior corrosion protection
• Backed by Honda’s 3-Year Parts & Labour Warranty

Easy to Use

• Electric start for effortless operation
• Forward-mounted shift lever (with tiller models) for smooth gear changes
• Lightweight, compact design for easy installation
• Built-in Pitot tube for direct speedometer connection
• Standard 25 L external fuel tank, fuel hose, and aluminum propeller included
• Power Trim & Tilt available on remote-control models

Charging & Electronics

• High-output 22 Amp alternator (275 Watts)
• 17 Amp battery charging output
• Standard battery condition monitoring
• Standard tachometer, trim gauge, and side-mount control box on Power Trim & Tilt models

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Specifications

Specification	Details
Engine Type	4-Stroke SOHC, 3 Cylinders, 6 Valves
Displacement	808 cc
Horsepower	40 HP @ 5,500 RPM
Full Throttle Range	5,000–6,000 RPM
Cooling System	Water Cooled
Fuel System	Programmed Electronic Fuel Injection (PGM-FI)
Starting System	Electric Start
Ignition	Microcomputer Programmed
Fuel	Unleaded Gasoline (Minimum 86 Octane)
Recommended Oil	SAE 5W-30 API SJ or Later
Oil Capacity	2.10 L
Gear Ratio	2.08:1
Gear Shift	Forward • Neutral • Reverse
Trim Range	-4° to +12°
Tilt Range	63°
Steering Angle	35°

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Dimensions

Item	Measurement
Overall Width	372 mm (14.6″)
Transom Height (Long Shaft)	556 mm (21.9″)

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Propeller

• Type: 3-Blade Aluminum
• Standard Size: 11-1/4 × 13″

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Weight

Model	Weight
Long Shaft (Manual Tilt)	100 kg (220.5 lbs)
Long Shaft (Power Trim & Tilt)	98 kg (216.1 lbs)

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Standard Equipment

• 25 L external fuel tank
• Fuel hose
• 3-blade aluminum propeller
• 22 Amp alternator
• 17 Amp battery charging system
• Digital engine monitoring system
• Oil pressure warning
• Over-rev protection
• Overheat warning system
• Battery condition monitor
• Built-in speedometer pickup
• Fresh-water flush port

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Ideal For

• Fishing boats
• Aluminum boats
• Pontoon boats
• Utility boats
• Recreational boating
• Small commercial vessels

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The Honda BF40 combines advanced fuel injection, dependable 40 HP performance, exceptional fuel efficiency, and Honda’s proven reliability – making it the perfect outboard for boaters who demand smooth power, easy operation, and long-lasting durability.