Quiet, dependable, and ready for fun.
Everything you want in a portable outboard.
Easy starting. Lightweight. Fuel efficient. Quiet, low vibration performance. It’s easy to see why the all new BF4 and 6 and the newly redesigned BF5 are best in class.
Honda thought of everything. From comfortable carrying handles to a one touch stop switch to the longest run time in its class, this is a motor that redefines what a portable should be.
Ideal for small tenders, canoes, jon boats, and inflatables, the BF4, 5, and 6 are easy to transport and ready for fun.
Type 4-Stroke OHV, 1 Cylinder/2 Valves4-Stroke OHV, 1 Cylinder/2 Valves
Displacement127 cc (7.8 cubic inches) 127 cc (7.8 cubic inches)
Bore & Stroke60 mm x 45 mm (2.4 x 1.8 inches)60 mm x 45 mm (2.4 x 1.8 inches)
Full Throttle RPM Range4,500-5,500 RPM 4,500-5,500 RPM
Rated Power4 HP @ 5,000 RPM 5 HP @ 5,500 RPM
Cooling SystemWater Cooled Water Cooled
Fuel Delivery1 Carburetor 1 Carburetor
Internal Fuel Tank Capacity1.5L (.39 gal.) 1.5L (.39 gal.)
Ignition SystemDigital CDI Digital CDI
Starting SystemRecoil Recoil
ExhaustUnder Water, Above Propeller Under Water, Above Propeller
LubricationWet Sump Wet Sump
Trim Range5-Stage 5°-9°-13°-17°-21° 5-Stage 5°-9°-13°-17°-21°
Tilt Range 70° 70°