Vertical Crankshaft Service Manual
7.4
Section 7
Electrical System and Components
Molex Plug
(Some Models)
ȱȱȱěȱ¢ȱȱȱ¢ȱȱȱǯȱȱ¢ȱȱȱȱȱ
ȱ£ȱȱȱǯȱȱěȱȱȱ¢ȱȱȱȱ¢ȱȱȱȱȱǯ
The ¡ȱȱ¢ȱ£ȱȱȱȱǻǼȱȱǻȱȱŝȬřǼǯȱȱȱȱȱȱ
¢ȱȱȱȱę¡ȱȱȱȱȱȱȱȱȱȱȱȱȱȱ
engine speed.
The ȱȱȱȱǻǼȱ¢ȱǻȱȱŝȬŜǼǯȱȱ¢ȱȱȱȱȱ
which is located in the ignition modules. The ignition timing varies depending upon the engine speed with this
system.
Operation:ȱȱȱĚ¢ȱǰȱȱȱ
ȱȱȱȱȱǻŗǼǯȱȱȱ
ȱęȱȱ¢ȱȱȱȱȱǻŗǼǯȱ
ȱȱȱȱęȱ¢ȱŗȱȱȱ
ȱŗǯȱȱȱȱ¢ȱȱȱ
ǰȱȱȱȱȱȱǻŘǼǰȱȱ
ȱȱȱȱǻǼȱȱȱǯȱ
ȱȱȱȱȃǰȄȱȱȱȱ
ǻŗǼȱȱ¢ȱȱȱȱ¢ȱǻǼȱȱȱ
ȱȱǻŗǼǯȱȱȱȱǰȱ
ȱȱȱȱȱȱĚ¡ȱęȱȱȱ
ȱǯȱȱȱȱȱȱȱ
from this action into the secondary winding of the
transformer. This pulse is delivered to the spark plug
gap. Ionization of the gap occurs, resulting in an arc
ȱȱȱǯȱȱȱȱȱȬȱ
¡ȱȱȱȱǯ
Electronic Ignition Systems
Figure 7-3. Electronic CD Fixed Ignition Timing System.
Operation of CD Ignition Systems
Fixed Timing System
ȱ¢ȱǻȱŝȬřǼȱȱȱȱȱ
components:
ȱ Ȋȱ ȱȱ¢ȱȱȱ¢ȱĜ¡ȱ
ȱȱĚ¢ǯ
ȱ Ȋȱ ȱȱȬȱȱ
modules which mount on the engine crankcase
ǻȱŝȬŚǼǯ
ȱ Ȋȱ ȱȱȱǻȱ¢ȱǼȱȱȱȱ
modules to stop the engine.
• Two spark plugs.