Honda Marine BF40A, Owner'S Manual

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BF40A
BAYS
14.6 in (370 mm)
53.7 in (1,365 mm)
20.5 in (520 mm)
4 stroke OHC in-line 3 cylinder
5,000 6,000 rpm
29.8 kW (40 HP)
49.3 cu-in (808 cm )
RT H HT
30.3 in
(770 mm)
27.0 in
(685 mm)
2.5 US qt (2.4 )
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)
0.15 0.02 mm
0.23 0.02 mm
See page 68
See shop
manual
See shop
manual
No other adjustment is needed
950 50 rpm Gear case:
Engine:
Exhaust:
Intake:
L
L
L
Gear case:
Engine:
210.5 lbs
(95.5 kg)
214.9 lbs
(97.5 kg)
205 lbs
(93 kg)
101
Specifications
TECHNICAL AND CONSUMER INFORMATION
Tuneup
MODEL
Type
Overall length
Oil capacity
Overall width
Overall height
Description Code
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 19:28:36 31ZW3600_102