Yamaha F15 Owner's Manual page 20

Specifications and requirements
F20PHA 14.7 kW (20 HP)
Idle speed (in neutral):
1000-1100 r/min
Power unit:
Type:
4-stroke SOHC L2 4valves
Total displacement:
3
362 cm (22.1 c.i.)
Bore  stroke:
63.0  58.1 mm (2.48  2.29 in)
Ignition system:
CDI
Spark plug (NGK):
DPR6EB-9
Spark plug gap:
0.8–0.9 mm (0.031–0.035 in)
Steering system:
F15EHA Tiller handle
F15MHA Tiller handle
F15PHA Tiller handle
F20EA Remote steering
F20EHA Tiller handle
F20MHA Tiller handle
F20PA Remote steering
F20PHA Tiller handle
Starting system:
F15EHA Electric starter
F15MHA Manual starter
F15PHA Electric starter
F20EA Electric starter
F20EHA Electric starter
F20MHA Manual starter
F20PA Electric starter
F20PHA Electric starter
Starting carburetion system:
Prime start
Valve clearance IN (cold engine):
0.15–0.25 mm (0.0059–0.0098 in)
Valve clearance EX (cold engine):
0.25–0.35 mm (0.0098–0.0138 in)
Cold cranking amps (CCA/SAE):
F15EHA 245–433 A
14
F15PHA 245–433 A
F20EA 245–433 A
F20EHA 245–433 A
F20PA 245–433 A
F20PHA 245–433 A
Marine cranking amps (MCA/ABYC):
F15EHA 323–520 A
F15PHA 323–520 A
F20EA 323–520 A
F20EHA 323–520 A
F20PA 323–520 A
F20PHA 323–520 A
Min. reserve capacity (RC/SAE):
F15EHA 52 minutes
F15PHA 52 minutes
F20EA 52 minutes
F20EHA 52 minutes
F20PA 52 minutes
F20PHA 52 minutes
Maximum generator output:
10 A
Lower unit:
Gear shift positions:
Forward-neutral-reverse
Gear ratio:
F15EHA 2.08(27/13)
F15MHA 2.08(27/13)
F15PHA 2.08 (27/13)
F20EA 2.08(27/13)
F20EHA 2.08(27/13)
F20MHA 2.08(27/13)
F20PA 2.08(27/13)
F20PHA 2.08(27/13)
Trim and tilt system:
F15EHA Manual tilt
F15MHA Manual tilt
F15PHA Power tilt
F20EA Manual tilt
F20EHA Manual tilt
F20MHA Manual tilt
F20PA Power tilt
F20PHA Power tilt