Yamaha F50F, Service Manual, Page: 38 / 305

SPEC
Specifications
2-15
6C13G11
Electrical
Item Unit
Model
F60CEHT F60CET FT60DET
Ignition and ignition control
system
Ignition timing range
(*1)
Degree ATDC 10-BTDC 24
Spark plug gap mm (in) 0.8–0.9 (0.031–0.035)
Ignition coil resistance
Primary coil (R – B/W)
at 20 °C (68 °F)
Ω
1.53–2.07
Secondary coil
at 20 °C (68 °F) k
Ω
12.50–16.91
Spark plug wire resistance k
Ω
1.9–5.0
ECM output peak voltage
(B/R, B/W – ground)
at cranking (loaded) V 240
at 1,500 r/min (loaded) V 290
at 3,500 r/min (loaded) V 300
Pulser coil output peak voltage
(W/B – W/R)
at cranking (unloaded) V 7.9
at cranking (loaded) V 7.2
at 1,500 r/min (loaded) V 20.7
at 3,500 r/min (loaded) V 32.0
Pulser coil resistance
(*2)
(W/B – W/R)
Ω
396–594
Pulser coil air gap mm (in) 0.75
±
0.25 (0.030
±
0.010)
Throttle position sensor
Output voltage (P – B) V 0.8–1.2 at engine idle speed
Sensor assembly resistance
(*2)
at 20 °C (68 °F) k
Ω
5.4–6.6
at 80 °C (176 °F) k
Ω
0.282–0.382
Cooling water temperature
sensor resistance
(*2)
(B/Y – B)
at 20 °C (68 °F) k
Ω
2.439
at 60 °C (140 °F) k
Ω
0.589
at 100 °C (212 °F) k
Ω
0.193
Fuel control system
Fuel injector resistance
(*2)
at 21 °C (70 °F)
Ω
12.0
Solenoid valve resistance
(*2)
at 20 °C (68 °F)
Ω
30.0–34.0
(*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
position to the fully open position of the throttle valve.
(*2)
The figures are for reference only.