Honda BF35A Service Manual page 279

ENGINE
Model BF50A BF40A
Description code
I
BAY E
I
BAZE
Type
Displacement
Bore x stroke
Rated horsepower
Water cooled 4-stroke, overhead valve, vertical 3 cylinders
808 cm3 (21.5 cu. in)
70 x 70 mm (2.8 x 2.8 in)
29.4 kW (40 PS)
at 5.500 min-' h r n )
36.8 kW (50 PS)
at 6,000 min-l (rpm)
Maximum torque
Compression ratio
Fuel consumption
Cooling system
Ignition system
Ignition timing
Spark plug
Carburetor
Lubricating system
Oil capacity
Recommended oil
Starting system
Stopping system
Fuel used
Fuel tank capacity
Fuel pump
Exhaust system
Recommended battery
I
62.3 N-m (6.36 kgf-m, 46.0 Ibfaft)
at 3,500 min-l (rpm)
9.2: 1
Forced water circulation by impeller pump with thermostat
CDI
329 g (1 1.6 oz.)/kWh 335 g (1 1.9 oz.)/kWh
5"
-
26' B.T.D.C.
DR7EA (NGK), X22ESR-U (DENSO)
Horizontal butterfly valve type, vertical 3 carburetors
Forced lubrication by trochoid pump
2.4
e
(2.54 US qt, 2.1 1 Imp qt)
2.0
e
(2.12 US qt, 1.76 Imp qt) at oil change
SAE 5W-30, API Service classification SG/SH/SJ
Electric starter
Ignition primary circuit ground
Automotive unleaded gasoline (minimum 86 pump octane)
25
e
(6.6 US gal, 5.5 Imp gal)
Mechanical plunger type
Under water type
12V 65Ah (65D23R)
1
65.2 N-m (6.65 kgf.m, 48.1 Ibf-ft)
at 4,500 min-I (rpm)
Model
Clutch
Gear ratio
Reduction type
Gear case oil capacity
Propeller Rotating direction
BF4OA, BF50A
Dog clutch (Forward-neutral-reverse)
0.48 (26/33 x 14/23)
Spiral bevel gear
0.41
e
(0.43 US qt, 0.36 Imp qt)
Clockwise (viewed from rear)
LOWER UNIT
1-3