Honda Marine BF90 Outboard Motor

The Honda BF90 is a premium 90 HP four-stroke outboard built for anglers, recreational boaters, and commercial operators who demand outstanding performance, fuel efficiency, and long-term reliability. Powered by a 1,496 cc four-cylinder SOHC VTEC® engine, the BF90 combines Honda-exclusive technologies like VTEC®, BLAST®, Lean Burn Control®, and Programmed Fuel Injection (PGM-FI) to deliver exceptional acceleration, smooth power, and industry-leading fuel economy.

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Key Features

Powerful & Efficient Performance

• Reliable 90 HP Honda four-stroke engine
• 1,496 cc four-cylinder SOHC VTEC® engine with 16 valves
• VTEC® (Variable Valve Timing & Lift Electronic Control) delivers stronger acceleration, increased torque, and improved fuel economy
• Advanced Programmed Fuel Injection (PGM-FI) for instant starts and precise throttle response
• BLAST® (Boosted Low Speed Torque) improves hole-shot acceleration and gets boats on plane faster
• Lean Burn Control® automatically optimizes the air/fuel mixture to maximize fuel efficiency
• Lightweight design at only 163 kg (359 lbs), making it one of the lightest outboards in its class
• High Performance Gearcase improves acceleration, reduces drag, and enhances top speed
• 2.33:1 gear ratio accommodates larger propellers for increased thrust

Built for Reliability

• Honda automotive-inspired engine technology for proven durability
• Three-way cooling system maintains optimal engine temperatures
• Engine Alert System monitors overheating, low oil pressure, and over-revving
• Advanced corrosion protection with multi-layer paint, stainless steel components, and sacrificial anodes
• Sealed starter motor and top-mounted electronics improve long-term reliability
• Fresh-water flush port simplifies maintenance after saltwater use
• Meets CARB 3-Star Ultra Low Emissions standards
• Backed by Honda’s 3-Year Parts & Labour Warranty

Easy to Use

• Standard Power Trim & Tilt
• Optional center-mount tiller with adjustable three-position handle
• Front-mounted oil filter and oil fill for easy servicing
• Built-in Pitot tube available with optional kit
• Available in 20-inch and 25-inch shaft configurations
• Screw-type valve adjusters reduce maintenance costs

Charging & Electronics

• High-output 44 Amp alternator
• 35 Amp battery charging system powers electronics while keeping batteries fully charged
• Standard battery condition monitoring
• Standard water-in-fuel warning system
• Optional Variable Speed Trolling Kit
• Standard speedometer pickup

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Specifications

Specification	Details
Engine Type	4-Stroke SOHC, VTEC®, 4 Cylinders, 16 Valves
Displacement	1,496 cc
Horsepower	90 HP @ 5,800 RPM
Full Throttle Range	5,300–6,300 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 10W-30 API SJ or Later
Oil Capacity	4.40 L
Gear Ratio	2.33:1
Gear Shift	Forward • Neutral • Reverse
Trim Range	-4° to +16°
Tilt Range	68°
Steering Angle	30°

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Dimensions

Item	Measurement
Overall Width	449 mm (17.7″)
Transom Height (Long Shaft)	508 mm (20″)
Transom Height (Extra Long Shaft)	635 mm (25″)

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Propeller

• Type: Optional (Sold Separately)
• Propeller Size: Varies depending on boat application

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Weight

Model	Weight
Long Shaft Remote Control (LRTC)	163 kg (359 lbs)
Extra Long Shaft Remote Control (XRTC)	169 kg (373 lbs)

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Standard Equipment

• Power Trim & Tilt
• Programmed Electronic Fuel Injection (PGM-FI)
• VTEC® technology
• BLAST® acceleration system
• Lean Burn Control® fuel-saving technology
• High Performance Gearcase
• 44 Amp alternator
• 35 Amp battery charging system
• Engine Alert monitoring system
• Water-in-fuel warning
• Battery condition monitor
• Fresh-water flush port
• Standard speedometer pickup

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Ideal For

• Offshore fishing boats
• Bay boats
• Aluminum fishing boats
• Pontoon boats
• Utility boats
• Recreational boating
• Commercial marine applications

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The Honda BF90 delivers powerful VTEC® performance, exceptional fuel efficiency, advanced fuel injection, and Honda’s legendary reliability – making it the ideal 90 HP outboard for boaters who demand smooth power, low operating costs, and dependable performance on every trip.