Yamaha YZ450FT Automobile User Manual


 
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ELEC
IGNITION SYSTEM
EC626002
IGNITION COIL INSPECTION
1. Remove the ignition coil cap.
2. Inspect:
Primary coil resistance
Out of specification Replace.
Tester (+) lead
Orange lead
1
Tester () lead
Black lead
2
Primary coil
resistance
Tester selector
position
0.08 ~ 0.10
at
20 °C (68 °F)
×
1
3. Inspect:
Secondary coil resistance
Out of specification Replace.
4. Inspect:
Sealed portion of ignition coil a
Spark plug terminal pin b
Threaded portion of spark plug c
Wear Replace.
EC627011
CDI MAGNETO INSPECTION
1. Inspect:
Pick-up coil resistance
Out of specification Replace.
Tester (+) lead
Orange lead
1
Tester () lead
Spark plug terminal
2
Secondary coil
resistance
Tester selector
position
4.6 ~ 6.8 k
at
20 °C (68 °F)
k
×
1
Tester (+) lead
Red lead
1
Tester () lead
White lead
2
Pick-up coil
resistance
Tester selector
position
248 ~ 372
at
20 °C (68 °F)
×
100
W
R
Br
G
P
B
1
2
2
1