Honda BF250A Outboard Motor

The Honda BF250 iST® is Honda’s flagship 250 HP V6 four-stroke outboard, engineered for offshore performance, advanced electronic controls, and exceptional reliability. Featuring Honda Intelligent Shift & Throttle (iST®) Drive-by-Wire, VTEC®, BLAST®, and Lean Burn Control®, the BF250 iST® delivers outstanding acceleration, superior fuel efficiency, smooth operation, and precise control for serious recreational and commercial boating.

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Key Features

Performance & Efficiency

• Honda iST® Drive-by-Wire electronic throttle and shift system
• Powerful 250 HP SOHC 60° V6 engine
• Large 3,583 cc (219 cu. in.) displacement
• BLAST® (Boosted Low Speed Torque) for rapid acceleration and improved hole shot
• VTEC® delivers increased torque, horsepower, and fuel efficiency throughout the RPM range
• Lean Burn Control® improves cruising fuel economy by up to 20%*
• Multi-Port Programmed Fuel Injection (PGM-FI®) provides instant starting and precise throttle response
• Dual-stage induction system maximizes airflow for improved combustion efficiency
• Dual air intake system separates engine cooling airflow from combustion airflow for cooler, denser intake air
• Large intake silencer reduces engine noise for quieter operation
• Oxygen (O₂) and Knock Sensors continuously optimize fuel delivery and ignition timing
• Balanced 60° V6 engine provides exceptionally smooth performance
• Advanced ECU predicts shifting operations for smoother gear changes
• Tuned dual exhaust improves cooling efficiency and engine performance
• Patented non-linear engine mounts minimize vibration
• Counter-rotation capability available for multi-engine installations
• Heavy-duty gearcase designed for demanding offshore, commercial, military, and patrol applications

*Based on EPA Specific Fuel Consumption Mode.

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Honda iST® Drive-by-Wire System

Honda’s Intelligent Shift & Throttle (iST®) replaces traditional mechanical cables with fully electronic controls, delivering smoother operation and greater precision.

iST® Features

• Electronic throttle and shifting
• Plug-and-play installation
• Multiple engine compatibility
• Dual control station support
• Precision throttle adjustment
• Enhanced docking control
• Slow-speed maneuvering
• Virtual positioning and anchoring
• Return-to-port capability
• Cruise Control
• Automatic Tilt
• Trim Support
• Intuitive user interface

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Reliability & Durability

Honda designed the BF250 iST® to deliver dependable long-term performance in the most demanding marine environments.

Engine Protection

The Engine Alert System continuously monitors:

• Overheating
• Water in fuel
• Low oil pressure
• Battery condition
• Over-revving
• Critical engine functions

Corrosion Protection

• Painted internal cooling passages for superior saltwater protection
• Double-Sealed multi-layer corrosion-resistant paint
• Sacrificial anodes
• Stainless-steel steering arm, tilt tube, and shafts
• Waterproof electrical connectors
• Fresh-water flush port

Heavy-Duty Construction

• High-performance heavy-duty gearcase
• Automotive-style trochoid oil pump
• Two-pass cooling system
• Sealed starter motor
• Single-latch engine cowl with four-point sealing
• Honda automotive-based engineering
• Honda True 5-Year Non-Declining Transferable Warranty

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Convenience & Ease of Use

• Honda iST® Drive-by-Wire
• NMEA 2000® compatibility for GPS, sonar, and multifunction displays
• High-output 90A alternator
• 60A battery charging capacity
• AMP+® automatically increases idle speed to provide additional charging power
• Built-in pitot tube for speedometer connection
• Spark plug maintenance access panel
• Slim V6 profile simplifies twin-engine installations
• Power Trim & Tilt
• Cruise Control
• Automatic Tilt
• Trim Support
• Troll Control

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Engine Specifications

Specification	Details
Engine Type	4-Stroke SOHC, 60° V6
Displacement	3,583 cc (219 cu. in.)
Bore × Stroke	89 × 96 mm (3.5 × 3.8 in.)
Rated Power	250 HP @ 5,800 RPM
Full Throttle Range	5,300–6,300 RPM
Cooling System	Water Cooled
Fuel Delivery	Multi-Port PGM-FI®
Ignition	Microcomputer Programmed
Starting System	Electric
Exhaust	Through Hub
Recommended Fuel	Unleaded Gasoline (Minimum 86 Octane)

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Drive System

Specification	Details
Gear Ratio	2.00:1
Gear Shift	Forward • Neutral • Reverse

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Standard Equipment

Feature	Availability
Alternator	90A (60A Charging) with AMP+®
VTEC®	Standard
BLAST®	Standard
Lean Burn Control®	Standard
iST® Drive-by-Wire	Standard
Troll Control	Standard
Trim Support	Standard
Cruise Control	Standard
Automatic Tilt	Standard
Tilt Limit Setting	Standard
Power Trim & Tilt	Standard
Propeller	Optional

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Dimensions

Measurement	Specification
Overall Width	666 mm (26 in.)
Recommended Transom Height (L-Type)	508 mm (20 in.)
Recommended Transom Height (X-Type)	635 mm (25 in.)
Recommended Transom Height (U-Type)	762 mm (30 in.)

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Dry Weight

Model	Weight
L-Type	278 kg (613 lbs.)
X-Type	286 kg (631 lbs.)
U-Type	291 kg (642 lbs.)

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Standard Features

• Honda iST® Drive-by-Wire System
• VTEC® Variable Valve Timing
• BLAST® Low-Speed Torque System
• Lean Burn Control®
• Multi-Port PGM-FI® Fuel Injection
• Dual-Stage Variable Induction System
• Dual Air Intake System
• 90A High-Output Alternator
• 60A Charging System with AMP+®
• Power Trim & Tilt
• Cruise Control
• Automatic Tilt
• Trim Support
• Troll Control
• NMEA 2000® Compatibility
• Heavy-Duty Gearcase
• Counter-Rotation Capability
• Two-Pass Cooling System
• Engine Alert Monitoring
• Fresh-Water Flush Port
• Premium Corrosion Protection
• Honda True 5-Year Transferable Warranty

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Ideal Applications

The Honda BF250 iST® is ideal for:

• Offshore fishing boats
• Center console boats
• Sport fishing vessels
• Cabin cruisers
• Commercial workboats
• Patrol and rescue vessels
• Twin and triple engine installations
• Long-range recreational boating
• Heavy-duty marine applications

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Why Choose the Honda BF250 iST®?

The Honda BF250 iST® represents the pinnacle of Honda Marine engineering, combining 250 HP V6 performance, advanced iST® Drive-by-Wire technology, VTEC®, BLAST®, and Lean Burn Control® for exceptional acceleration, smooth handling, and outstanding fuel efficiency. Built with heavy-duty components, premium corrosion protection, intelligent electronic controls, and backed by Honda’s True 5-Year Warranty, the BF250 iST® is an outstanding choice for offshore anglers, commercial operators, and boaters who demand uncompromising power, reliability, and precision on the water.