Lower Unit - Honda Motor BF40D Manual Del Usuario

• ENGINE
Model
Description code
Type
Displacement
Bore x stroke
Rated power
Maximum torque
Compression ratio
Fuel consumption ratio
Cooling system
Ignition system
Ignition timing
Spark plug
Fuel supply system
Fuel injection system
Fuel injection nozzle
Fuel pipe
Lubrication system
Lubrication capacity
Starting system
Stopping system
Fuel used
Fuel pump
Exhaust system
Recommended oil

• LOWER UNIT

Clutch
Gear ratio
Reduction
Gear case oil capacity
Recommended gear oil
Propeller rotating direction
Propeller driving system
BF40D
BEBDJ
4-stroke, S.O.H.C., 3-cylinder
808 cm
70.0 x 70.0 mm (2.8 x 2.8 in)
29.4 kW (40 PS) at 5,500 min –1
60 N . m (6.1 kgf . m, 44 lbf . ft)
at 4,000 min –1 (rpm)
360 g/kW . h (265 g/PS . h, 0.592 lb/HP . h) 340 g/kW . h (250 g/PS . h, 0.559 lb/HP . h)
Forced water circulation by impeller pump with thermostat
Full transistorized, battery ignition
o
5 at 850 min
DR7EB (NGK), X22ESR-UB (DENSO)
Programmed fuel injection
Electronic control
Rubber tubes, resin and steel pipe
Pressure lubrication by trochoid pump
2.4
[with oil filter replacement: 2.1
[without oil filter replacement: 2.0
Ignition primary circuit open
Unleaded gasoline with a pump octane number 86 or higher
Electric and mechanical plunger type
Dog clutch (Forward - Neutral - Reverse)
2.08 (33/26 x 23/14)
Helical gear and spiral bevel gear
0.41 (0.43 US qt, 0.36 lmp qt)
MARINE SAE 90 Hypoid gear oil API Service classification (GL-4)
Clockwise (viewed from rear)
21
BF50D
BEBEJ
3 (49.3 cu-in)
(rpm) 36.8 kW (50 PS) at 5,750 min
65 N . m (6.6 kgf . m, 48 lbf . ft)
at 5,000 min –1 (rpm)
9.4 : 1
–1
(rpm) A.T.D.C.
Multi-point type
(2.5 US qt, 2.1 lmp qt)
(2.2 US qt, 1.8 lmp qt)]
(2.1 US qt, 1.8 lmp qt)]
Electric starter
Underwater type
SAE 5W-30
Spline
2
3
–1 (rpm)
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1-4