Honda BF4 Portable Outboard Motor, 4 HP, 20" Shaft
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The all-new Honda BF4 has been reimagined and reengineered from the ground up to combine the needs of portable outboard users with trusted Honda reliability. Ideal for small tenders, canoes, jon boats, an inflatables, the BF4 is easy to transport and ready for fun. This new engine offers true portability with expanded carrying handles plus folding up or down handles for compact storage and transport. It also features compression release for easy starting. Once on the water, this portable series boasts a large, 1.5L internal fuel tank for added range. With advancements in lessening engine vibration and noise, the BF4 outboard helps offer smooth rides, less operator fatigue, and truly peaceful moments in the great outdoors. The BF4 series is everything you want in a portable outboard: easy starting, lightweight, fuel efficient, quiet, low vibration, and high performance.
Reliable, Efficient 4-Stroke Design
World-renowned Honda quality combines proven reliability and superior fuel efficiency, with no oil mixing.
Lightweight And Compact
The BF4 Outboard's lightweight, compact design makes it perfect for small tenders, sailboats, jon boats, and inflatables. Weighing in at only 60 pounds, this motor is easy to transport.
Easy To Start And Stop
You'll be impressed with how easy it is to start the BF4. The decompression mechanism opens the exhaust valve during the starting process. This reduces the amount of force needed to start the motor. Starting is easy, every time. The one-push stop switch makes it just as easy to shut off the motor. Pressing the stop button once safely shuts off the motor without it re-starting.
Large Capacity Internal Fuel Tank For Best In Class Run Time
The 1.5L internal fuel tank provides enough fuel for over 40 minutes of wide open throttle operation.
Quiet And Smooth With Low Vibration For A Comfortable Ride
Honda's exclusive design optimizes the isolation mounts to minimize the transfer of vibration to both the tiller handle and the transom. The custom rubber mounts absorb vibration, resulting in a motor with among the lowest handle vibration in its class.
Easy To Carry And Install
Enlarged carrying handles provide superior portability and ease of installation.
Convenient Fold-Up Or Down Tiller Handle
The tiller handle's compact design allows for easy transportation and storage.
Quietest In Its Class
The BF4 leads its class in noise reduction from low to high speed.
Large Displacement Engine For More Power
Water-cooled, single cylinder design for better low to mid-range power.
Twist Grip Throttle Is More Comfortable To Use
Allows for precise throttle control. A unique throttle tensioner minimizes driver fatigue.
True 5-Year Warranty For Unmatched Peace Of Mind
Honda's True 5 Warranty is the best in the business. This transferable, non-declining warranty is the same on the first day as it is on the last.
4-Front Corrosion Protection System Fights The Elements
A patented, "Double-Sealed" multi-layered paint process, sacrificial anodes, stainless steel technology, and waterproof connectors enhance corrosion protection.
Double Alerts Protect Your Engine
A Low Oil Alert combined with an RPM reduction feature protect the engine from severe damage if the oil reaches a low pressure.
Shallow Water Drive
An innovative shallow water drive feature lets you tilt the motor up, allowing you to easily operate in shallow areas. Shallow water drive greatly reduces the risk of engine damage.
The BF4 features full forward, neutral, and reverse shifting. A safety lockout system allows the engine to be started in neutral gear only.
Positive Lubrication For Better Durability
A crankshaft-driven, automotive-style trochoid oil pump ensures long-term durability of critical engine components.
Ultra Low 3-Star CARB Emissions
Environmentally conscious technology. All Honda Marine engines exceed the highest CARB 3-Star rating to meet the rigorous California Air Resource Board's standards.
Honda Model No. BF4AHLHNA
Type: 4-Stroke OHV, 1 Cylinder / 2 Valves
Displacement: 127 cc (7.8 cu.in.)
Bore & Stroke: 60 mm x 45 mm (2.4" x 1.8")
Full Throttle RPM Range: 4,500 - 5,500 rpm
Rated Power: 4 hp @ 5,000 rpm
Cooling System: Water Cooled
Fuel Delivery: 1 Carburetor
Internal Fuel Tank Capacity: 0.39 gal. (1.5L)
Ignition System: Digital CDI
Starting System: Recoil
Exhaust: Under Water, Above Propeller
Lubrication: Wet Sump
Trim Range: 5-Stage (5°, 9°, 13°, 17°, 21°)
Tilt Range: 70°
Gear Ratio: 2.08:1
Gear Shift: F-N-R
Propeller: 3-Blade Aluminum
Diameter x Pitch: 7-7/8" x 7-1/2"
Overall Width: 13.7" (347 mm)
L-Type (20" Shaft): 20" (561 mm)
L-Type (20" Shaft): 60.6 lbs. (27.5 kg)
- Efficient 4-stroke design
- Lightweight, compact design
- Easy to start and stop
- Large 1.5L internal fuel tank
- Less engine vibration and noise