Honda BF40/BF50 Specifications

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BF50++
BF40

Type

4-Stroke SOHC
3 Cylinders/6 Valves
4-Stroke SOHC
3 Cylinders/6 Valves

Displacement

808 cc
(49.4 cubic inches)
808 cc
(49.4 cubic inches)

Bore & Stroke

70 mm x 70 mm
(2.8 x 2.8 inches)
70 mm x 70 mm
(2.8 x 2.8 inches)

Full Throttle RPM Range

5,500 - 6,000 RPM
5,000 - 6,000 RPM

Rated Power

50 HP @ 5,750 RPM
40 HP @ 5,500 RPM

Cooling System

Water Cooled
Water Cooled

Fuel Delivery

3 Carburetors
3 Carburetors

Ignition System

Capacitor Discharge (CDI)
Capacitor Discharge (CDI)

Starting System

Electric
Electric

Exhaust

Through Prop
Through Prop

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Drive

.

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Gear Ratio

2.09:1
2.09:1

Gear Shift

F-N-R
F-N-R

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Equipment

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Alternator (S/L-type)

10-AMP (126 watt)
10-AMP (126 watt)

with voltage regulator (X-type)

10-AMP (126 watt)
10-AMP (126 watt)

Propeller

Optional
Optional

Diameter x Pitch

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(S-type)

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(L-type)

Optional
Optional

(X-type)

Optional

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Power Trim & Tilt

Available
Available

Gas-Assisted Tilt

Available
Available

Oil Pressure Alert

Standard
Standard

Temperature Alert

Standard
Standard

Rev-Limiter

Standard
Standard

Speedometer Pickup

Standard
Standard

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Dimensions

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Overall Width

370 mm/14.6 inches*
370 mm/14.6 inches*

Recommended Transom Height

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.

(S-type)

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(L-type)

507 mm/20 inches
507 mm/20 inches

(X-type)

635 mm/25 inches

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(XX-type)

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Dry Weight (S-type)

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Dry Weight (L-type)

90 kg/198 lbs.
90 kg/198 lbs.

Dry Weight (X-type)

96 kg/212 lbs.

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Dry Weight (XX-type)

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CARB Rating

**
**

R/C: Remote Control
PT&T: Power Trim and Tilt
* Electric starting
+BF225, BF200, 130 and BF115 counter rotation models available.
++BF50 and BF90 available in jet-ready models (BF50J = 35 HP, BF90J = 65 HP)
** Electric Start 12 AMP/Manual Start 6 AMP
.. Power Thrust models come with 10 x 6 1/2", 4-Blade Propeller
All Honda outboards are power rated with N.M.M.A. procedures.
Specifications are subject to changes.

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