Maintenance; Specifications - Yamaha F4A Owner's Manual

EMU31480

Specifications

NOTE:
"(AL)" stated in the specification data below
represents the numerical value for the alumi-
num propeller installed.
Likewise, "(SUS)" represents the value for
stainless steel propeller installed and "(PL)"
for plastic propeller installed.
EMU28218
Dimension:
Overall length:
717 mm (28.2 in)
Overall width:
361 mm (14.2 in)
Overall height S:
1029 mm (40.5 in)
Overall height L:
1156 mm (45.5 in)
Transom height S:
435 mm (17.1 in)
Transom height L:
562 mm (22.1 in)
Weight (AL) S:
22.0 kg (49 lb)
Weight (AL) L:
23.0 kg (51 lb)
Performance:
Full throttle operating range:
4000–5000 r/min
Maximum output:
2.9 kW@4500 r/min (4 HP@4500
r/min)
Idling speed (in neutral):
1500 ±50 r/min
Engine:
Type:
4-stroke S
Displacement:
3
112.0 cm (6.83 cu.in)
Bore × stroke:
59.0 × 41.0 mm (2.32 × 1.61 in)
Ignition system:
TCI
Spark plug (NGK):
BR6HS
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Control system:
Tiller
Starting system:
Manual
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 unleaded gasoline
Min. research octane:
90
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
Engine oil grade API:
API SE, SF, SG, SH, SJ, SL
Engine oil type SAE:
SAE10W30 or SAE10W40
Lubrication:
Wet sump

Maintenance

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