Electrical - Yamaha F50F Service Manual

SPEC

Electrical

Item
Ignition and ignition control
system
Ignition timing range
Spark plug gap
Ignition coil resistance
Primary coil
at 20 °C (68 °F)
Secondary coil
at 20 °C (68 °F)
Spark plug wire resistance
ECM output peak voltage
(B/R, B/W – ground)
at cranking (loaded)
at 1,500 r/min (loaded)
at 3,500 r/min (loaded)
Pulser coil output peak voltage
at cranking (unloaded)
at cranking (loaded)
at 1,500 r/min (loaded)
at 3,500 r/min (loaded)
Pulser coil resistance
Pulser coil air gap
Throttle position sensor
Output voltage
Sensor assembly resistance
at 20 °C (68 °F)
at 80 °C (176 °F)
Cooling water temperature
sensor resistance
at 20 °C (68 °F)
at 60 °C (140 °F)
at 100 °C (212 °F)
Fuel control system
Fuel injector resistance
at 21 °C (70 °F)
Solenoid valve resistance
at 20 °C (68 °F)
(*1)
The actual ignition timing may vary according to environmental conditions.
The figures are for reference only and do not represent the ignition timing figures from the fully closed posi-
tion to the fully open position of the throttle valve.
(*2)
The figures are for reference only.
2-9
Specifications
Unit
(*1)
Degree
mm (in)
(R – B/W)
(W/R – W/B)
(*2)
(W/B – W/R)
mm (in)
(P – B)
(*2)
(*2)
(B/Y – B)
(*2)
(*2)
F50FED
Ω
kΩ
kΩ
V
V
V
V
V
V
V
Ω
0.75 ± 0.25 (0.030 ± 0.010)
V 0.8–1.2 at engine idle speed
kΩ
kΩ
kΩ
kΩ
kΩ
Ω
Ω
Model
F50FEHT F50FET
ATDC 10-BTDC 25
0.8–0.9 (0.031–0.035)
1.53–2.07
12.50–16.91
1.9–5.0
240
290
300
7.9
7.2
20.7
32.0
396–594
5.4–6.6
0.282–0.382
2.439
0.589
0.193
12.0
30.0–34.0
FT50GET
6C13G11