Service manual

ELEC
8-13
IGNITION SYSTEM
EAS00749
8. Main switch
9
Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
9
Is the main switch OK?
YES NO
Replace the main
switch.
EAS00746
6. Ignition coil resistance
9
Disconnect the ignition coil connector from
the ignition coil terminal.
9
Connect the pocket tester (
Ω⋅
1) to the igni-
tion coil as shown.
Positive tester probe
→→
terminal
11
Negative tester probe
→→
ignition coil base
22
9
Measure the primary coil resistance.
9
Connect the pocket tester (
Ω⋅
1k) to the
ignition coil as shown.
Negative tester probe
→→
terminal
11
Positive tester probe
→→
spark plug lead
22
9
Measure the secondary coil resistance.
9
Is the ignition coil OK?
1
2
1
2
Primary coil resistance
0.32–0.48
Ω
at 20° C (68° F)
EAS00748
7. Pickup coil resistance
9
Disconnect the pickup coil coupler from the
wire harness.
9
Connect the pocket tester (
Ω⋅
100) to the
pickup coil terminal as shown.
Positive tester probe
→→
white
11
Negative tester probe
→→
red
22
9
Measure the pickup coil resistance.
9
Is the pickup coil OK?
WRWYB
1
2
Pickup coil resistance
248–372
Ω
at 20° C (68° F)
(between white and red)
Secondary coil resistance
5.68–8.52 k
Ω
at 20° C (68° F)
YES NO
Replace the ignition
coil.
YES NO
Replace the stator
coil/pickup coil
assembly.
http://mototh.com