Yamaha YZ450FT Automobile User Manual


 
6 - 6
+
ELEC
IGNITION SYSTEM
2. Inspect:
Source coil 1 resistance
Out of specification Replace.
3. Inspect:
Source coil 2 resistance
Out of specification Replace.
Tester (+) lead
Brown lead
1
Tester () lead
Green lead
2
Source coil 1
resistance
Tester selector
position
720 ~ 1,080
at
20 °C (68 °F)
×
100
Tester (+) lead
Pink lead
1
Tester () lead
Black lead
2
Source coil 2
resistance
Tester selector
position
44 ~ 66
at
20 °C (68 °F)
×
10
W
R
Br
G
P
B
2
1
2
1
2
1
W
R
Br
G
P
B
2
1
NEUTRAL SWITCH INSPECTION
1. Inspect:
Neutral switch conduct
No continuity while in neutral Replace.
Continuity while in gear Replace.
EC628000
CDI UNIT INSPECTION
Check all electrical components. If no fault is
found, replace the CDI unit. Then check the
electrical components again.
Tester (+) lead
Sky blue lead
1
Tester () lead
Ground
Sb
1
Ground
Tester selec-
tor position
NEUTRAL
×
1
IN GEAR
+
Ω×1
1
Sb