Quality Time Ahead with Advanced Technology Behind You.
We've raised the bar on what boaters can expect from a mid-size engine with the BF100. This best-of-class outboard offers superior power from initial blast to top end speed with remarkable fuel efficiency. Along with the BF90 and BF80, they're some of the lightest 4-strokes in their class and offer a host of Honda exclusives, such as Honda's VTEC Technology on the BF100 and BF90 They offer PGM-FI (programmed fuel injection) for instant throttle response and optimized fuel consumption. All three engines also feature Honda exclusives like BLAST for strong acceleration, Ecomo for superior fuel efficiency, and a 3-Way Cooling System for long-lasting, durable performance. Add it all together and you have mid-range engines that are economical, efficient, and durable.

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  • Feature
  • Voltage regulation system
  • TYPE
  • Frequency
  • AC Output Maximum
  • System
  • Phase
  • Rated Voltage
  • AC Output Rate
  • Fuel Tank Capacity


BF90DK5 Specifications
Model BF90DK5
Engine type 4-stroke SOHC 4-Cylinder
Displacement (cc) 1496.0
Bore X stroke (mm) 73.0 x 89.4
Full throttle rpm range 5,300-6,300
Rated power [kW (HP)/rpm] 67.1 (90HP)/5,800
Cooling system Water cooled
Ignition system Full Transistorized Battery Ignition
Starting system Electric
Fuel delivery Programmed Fuel Injection
Battery charging capacity 12V-35A
Exhaust Through Hub
Gear ratio 2.33
Propeller Option
Overall dimensions (l x w x h) (mm) 742 x 459 x 1,576(L), 1,703(X)
Transom height (mm) L:537, X:664
Dry weight (kg: including propeller) LRTD:166, XRTD:172


  • Soft Cloth
  • AutoStart
  • DiskBreake