Yamaha EK25BMH Service Manual - Ignition System
Manual is about: Outboard Motor Yamaha EK25BMH
of
230
IGNITION SYSTEM
–
+
ELEC
8-7
E
(2) Press in the plug cap spring
until it
touches the high tension cable at
,
then bend
as shown.
CHECKING THE IGNITION COILS
1. Check:
•
Ignition coil
Crack/damage
→
Replace.
2. Measure:
•
Ignition coil resistance
Out of specification
→
Check the
peak voltage (charge coil, pulser
coil, CDI unit)/Replace.
NOTE:
When making secondary leads resistance
test, disconnect spark plug cap.
Ignition coil resistance
Primary
B/W - B
Secondary
B - output
0.18 - 0.24
Ω
Ω
Ω
Ω
2.70 - 3.70 k
Ω
Ω
Ω
Ω
4
b
c
1