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SECTION 8
ELECTRICAL SYSTEM AND COMPONENTS
Worn: On a worn plug, the center electrode will be rounded
and the gap will be eroded .010" or more than the correct
gap. Replace a wom spark plug immediately.
the combustion chamber. Excess fuel could be caused by
operating the engine with too much choke. Oil in the com-
bustion chamber is usually caused by worn piston rings or
valve guides.
*NOTE: For repeated spark plug fouling, order and
install Carburetor Baffle Kit 82 755 24.
Chalky White Deposits: Chatky white colored deposits indi-
cate overheating. This condition is usually accompanied by
excessive gap erosion. A clogged grass screen, clogged
cooling fins, and lean carburetion are some causes of
overheating.
ELECTRICAL SYSTEMS
WIRING DIAGRAMS AND
BATTERY CHARGING SYSTEMS
The following battery charging systems are available
on Magnum twin cylinder engines.
D 15 Amp Regulated Battery Charging System
O 25 Amp Regulated Battery Charging System
Refer to the following wiring diagrams and trouble-
shooting guides to test and service these battery
charging systems.
NOTE:
To prevent damage to the electrical system
and components:
1. Make sure battery polarity is correct. A nega-
tive (-) ground system is used.
2. Disconnect the rectifier-regulator leads and/or
wiring hamess plug before electric welding is
done on the equipment powered by the en-
gine. Also disconnect other electrical acces-
sories in common ground with the engine.
3. Prevent the stator (AC) leads from touching or
shorting while engine is running. This could
permanently damage the stator.
8.6
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