Outboard motor HONDA BF20

Outboard motor HONDA BF20

Brief description

  • Capacity 350 cm3
  • Power 20 hp
  • Screw Size 9 1/4 x 10 inches
  • (4-stroke)
  • Weight 46 kg.


Maximum power kW (HP) 14.7 (20)
Engine Type: four-stroke, SOHC
Engine capacity, cm3 350
The range of operating speed, rpm 5000 - 6000
Bore x stroke mm 59,0 x 64,0
Number of cylinders: 2
Valves per cylinder 2
The drive of valves: 1 camshaft
Intake system: 1 carburetor
Generator: 12 W 6 A, for models with
electrolaunch – 12 W 12 A
Weight, kg 47 (the lightest option)
Gear ratio: 2.08: 1
Tank capacity, l 12
Crankcase capacity, l 1
The capacity of the gearbox housing, l 0.29
Stated screw (Lop. x Dia. x Step), inch 4 x 9 1/4 x 10
Plug / gap: NGK CR7EH-9 / 0.8 - 0.9 mm or
DENSO U16FER9 / 0,8 - 0,9 mm
Motor rake: Manual/auxiliary cylinder/
electro-hydraulic lift
Deadwood length: S / L/ X (for the transom 381/508/
635 mm)
Motor Control: Manual or remote
(Models marked R)
Noise (ICOMIA 39-94): 81 dB, for models with control - 78 dB
Vibration (ICOMIA 38-94): 3,3 m / c2, for models with remote control -
not more than 2.5 m / c2
Possible models:
BF20 S (L / X) HU: Manual control and launch
BF20 S (L / X) HSU: Manual control, electrical start
BF20 S (L) RU Remote Control
BF20 S (L) HGU manual control and launch,
an auxiliary cylinder
BF20 S (L) HTU Manual, electrical start,
electro-hydraulic lift
BF20S (L / X) RTU remote control,
electro-hydraulic lift

Extra description

Outboard engine Honda BF 20 provides maximum power for its working volume and weight. This is the easiest engine in its class. This motor has a 12A alternator, which allows to keep the battery charged at any speed. BF20 is one of the most user-friendly outboard engines, thanks to the convenient control knob.