IGNITION
90-826883 R2 JUNE 1998 Page 2A-9
Ignition Coil
The primary (+) side of the ignition coil receives voltage discharged from a capacitor in
theignition switchbox.The voltageismultiplied bythecoil untilitcan jumpthesparkplug
gap. Ignition coil maximum output approximately 35000 volts.
52642
b
a
a - Positive (+) Primary Terminal
b - Negative Terminal
Ignition Switch Box
ELECTRONIC SPARK ADVANCE (BLACK STATOR)
TheignitionswitchboxreceivesanACcurrentfromthelowandhighspeedstatorassem-
bly.ThiscurrentisrectifiedandchangedtoaDCcurrentwhereitwillbestoredintheinter-
nalcapacitor.Avoltagepulsefromthetriggerassembly(infiringorder)turnsonarespec-
tiveSCR switchwhichdischarges thecapacitorstored voltageandsendsittotheignition
coil.
The switch box contains an electrical circuit that controls the ignition spark timing. The
switch box senses the engine R.P.M. by counting trigger pulses and adjusts the engine
timing accordingly.
No idle timing adjustment is required. Refer to the Timing/Synchronizing/Adjusting sec-
tion of this manual.
52642
a
b
c
d
e
f
g
h
i
j
a - #1 Coil Primary Lead (Green/Yellow)
b - #2 Coil Primary Lead (Green/White)
c - Ground Lead
d - Stator Connector
e - Stator Lead (RED) High Speed
f - Stator Ground Lead (BLACK)
g - Stator Lead (Blue) Low Speed
h - Engine Stop Lead (BLACK/YELLOW)
i - Trigger Lead (BROWN/WHITE)
j - Trigger Lead (BROWN/YELLOW)
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