Honda Marine BF40A, Owner'S Manual

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2.5 US qt (2.4 ) BF50A
BAZS
30.3 in (770 mm) 27.0 in (685 mm)
HT RT
14.6 in (370 mm)
53.7 in (1,365 mm)
57.9 in (1,470 mm)
20.5 in (521 mm)
24.5 in (622 mm)
37.3 kW (50 HP)
5,500 6,000 rpm
4 stroke OHC in-line 3 cylinder
49.3 cu-in (808 cm )
Electric starter
C.D.I.
Trochoid pump pressure lubrication
API standard (Fuel Efficient
SG, SH, SJ) SAE 5W-30
API standard (GL-4/5) SAE
90 outboard motor gear oil
0.43 US qt (0.41 )
ULTRA · LOW EMISSION
12V 10A
Water cooling with thermostat
Thru-hub
DR7EA (NGK)
X22ESR-U (DENSO)
Diaphragm type
Automotive unleaded gasoline (86 pump
octane or higher)
6.6 US gal (25 )
Forward-Neutral-Reverse (dog type)
37.5° right and left
5 stages (8°, 12°, 16°, 20°, 24°)
0.024 0.028 in
(0.60 0.70 mm)
See page 68
See shop
manual
See shop
manual
950 50 rpm
0.15 0.02 mm
0.23 0.02 mm
No other adjustment is needed
Gear case:
Engine:
Engine:
Gear case:
Exhaust:
Intake:
L
X
L
X
L
X
214.9 lbs (97.5 kg) 205 lbs (93 kg)
214 lbs (97 kg)
102
Specifications
TECHNICAL AND CONSUMER INFORMATION
Tuneup
MODEL
Description Code
Type
Overall length Oil capacity
Overall width
Overall height
Transom height
Weight
Rated power
Full throttle range
Engine type
Displacement
Starter system
Ignition system
Lubrication system
Specified oil
CARB star label
D.C. output
Cooling system
Exhaust system
Spark plugs
Fuel pump
Fuel
Tank capacity
Gear change
Steering angle
Transom angle
Spark plug gap
Idle speed
Valve clearance
(cold)
Other specifications
Honda outboards are power rated in accordance with NMMA procedures and using the ICOMIA standard 28/23.
03/04/26 19:29:15 31ZW3600_103