Yamaha F25 - Page 26

1-8
1
Neutral switch
Input voltage (*1)
V 12.0
Thermo sensor
Resistance (*1)
at 75 °C (167 °F)
kΩ 0.372
Charge coil
Resistance (*1)
at 20 °C (68 °F)
Ω 28.9–39.1
Output peak voltage
at cranking (unloaded)
V 70.0
at cranking (loaded)
V 110.0
at 1500 r/min (loaded)
V 190.0
at 3500 r/min (loaded)
V 190.0
CDI unit
Output peak voltage
at cranking (loaded)
V 210.0
at 1500 r/min (loaded)
V 180.0
at 3500 r/min (loaded)
V 180.0
Item Unit
Model
F25EA
F25A T25A
Spark plug
Gap mm (in) 0.8–0.9 (0.031–0.035)
Cap resistance (*1) kΩ 5.0
Ignition coil
Primary coil resistance (*1)
at 20 °C (68 °F) Ω 0.26–0.35
Secondary coil resistance
(*1)
(spark plug wire – spark plug
wire)
at 20 °C (68 °F) kΩ 6.8–10.2
Pulser coil
Air gap mm (in) 0.8 (0.031)
Resistance (*1)
at 20 °C (68 °F) Ω 152.0–228.0
Output peak voltage
at cranking (unloaded) V 4.5
at cranking (loaded) V 2.7
at 1500 r/min (loaded) V 4.1
at 3500 r/min (loaded) V 6.5
Neutral switch
Input voltage (*1) V 12.0
Thermo sensor
Resistance (*1)
at 75 °C (167 °F) kΩ 0.372
Item Unit
Model
F25MHA
F25EHA
Model data / Electrical technical data