1-6
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SPECIFICATIONS
LRTA/XRTA/LRTC/XRTC type
LOWER UNIT
Model BF75DK3 BF80A BF90DK4 BF100A
Description code BEBAJ BEBLJ BEBCJ BEBMJ
Type 4-stroke, S.O.H.C., 4 cylinder
Displacement 1,496 cm
3
(91.3 cu in)
Bore x stroke 73.0 x 89.4 mm (2.87 x 3.52 in)
Rated power 55.2 kW (75 PS)
at 5,500 min
-1
(rpm)
58.8 kW (80 PS)
at 5,500 min
-1
(rpm)
66.2 kW (90 PS)
at 5,800 min
-1
(rpm)
73.6 kW (100 PS)
at 5,900 min
-1
(rpm)
Maximum torque 118 N·m
(12.0 kgf·m, 87 lbf·ft)
123 N·m
(12.5 kgf·m,
91 lbf·ft)
127 N·m
(13.0 kgf·m,
94 lbf·ft)
Compression ratio 9.7: 1
Fuel consumption ratio
(at rated power)
340 g/kW·h 355 g/kW·h 350 g/kW·h 330 g/kW·h
Cooling system Forced water circulation by impeller pump with thermostat
Ignition system Fully transistorized, battery ignition
Ignition timing 2.4°at 750 min
-1
(rpm) A.T.D.C
Spark plug Standard ZFR6K–9E (NGK)
Optional IZFR6K–11E (NGK)
Fuel supply system Programmed fuel injection
Fuel injection system Electronic control
Fuel injection nozzle Multi-point type
Fuel Unleaded gasoline
Fuel pump Electric and mechanical plunger type
Lubrication system Pressure lubrication by trochoid pump
Lubrication capacity 4.7 liter (5.0 US qt, 4.1 Imp qt)
[Without oil filter replacement: 4.2 liter (4.4 US qt, 3.7 Imp qt)]
[With oil filter replacement: 4.4 liter (4.6 US qt, 3.9 Imp qt)]
Starter system Electric starter
Exhaust system Water exhaust
Clutch Dog clutch (Forward – Neutral – Reverse)
Gear ratio Forward 2.33 (28/12)
Reverse 2.33 (28/12)
Reduction Spiral bevel gear
Gear case oil capacity 0.95 liter (1.00 US qt, 0.84 Imp qt)
Propeller rotating direction Clockwise (viewed from rear)
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