Specifications And Requirements; Specifications - Yamaha F4B Owner's Manual

Specifications and requirements

EMU38090

Specifications

TIP:
"(AL)" stated in the specification data below
represents the numerical value for the alumi-
num propeller installed.
TIP:
"*" means, select the engine oil referring to the
chart of engine oil paragraph. For further infor-
mation, see page 11.
EMU2821J
Dimension:
Overall length:
750 mm (29.5 in)
Overall width:
333 mm (13.1 in)
Overall height S:
1040 mm (40.9 in)
Overall height L:
1168 mm (46.0 in)
Transom height S:
440 mm (17.3 in)
Transom height L:
568 mm (22.4 in)
Weight (AL) S:
27.0 kg (60 lb)
Weight (AL) L:
28.0 kg (62 lb)
Performance:
Full throttle operating range:
F4BMH 4000–5000 r/min
F5AMH 4500–5500 r/min
F6CMH 4500–5500 r/min
Maximum output:
F4BMH 2.9 kW@4500 r/min (4
HP@4500 r/min)
F5AMH 3.7 kW@5000 r/min (5
HP@5000 r/min)
F6CMH 4.4 kW@5000 r/min (6
HP@5000 r/min)
9
Idle speed (in neutral):
1500 ±50 r/min
Engine:
Type:
4-stroke S
Displacement:
139.0 cm³
Bore × stroke:
62.0 × 46.0 mm (2.44 × 1.81 in)
Ignition system:
CDI
Spark plug (NGK):
CR6HSB
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Control system:
Tiller handle
Starting system:
Manual starter
Starting carburetion system:
Choke valve
Valve clearance (cold engine) IN:
0.08–0.12 mm (0.0032–0.0047 in)
Valve clearance (cold engine) EX:
0.08–0.12 mm (0.0032–0.0047 in)
Drive unit:
Gear positions:
Forward-neutral-reverse
Gear ratio:
2.08(27/13)
Trim and tilt system:
Manual tilt
Propeller mark:
BA
Fuel and oil:
Recommended fuel:
Regular gasoline
Fuel tank capacity (built in type):
1.1 L (0.29 US gal, 0.24 Imp.gal)
Recommended engine oil:
4-stroke outboard motor oil