Service manual
ELECTRICAL
No Spark, Weak or Intermittent Spark
◎ No12 volt power or ground to CDI
◎ Spark plug gap incorrect
◎ Fouled spark plug
◎ Faulty spark plug cap or poor connection to high
tension lead
◎ Related wiring loose, disconnected, shorted, or
corroded
◎ Engine Stop switch or ignition switch faulty
◎ Poor ignition coil ground (e.g. coil mount loose or
corroded)
◎ Faulty stator (measure resistance of all ignition related
windings)
◎ Incorrect wiring (inspect color coding in connectors
etc)
◎ Faulty ignition coil winding (measure resistance of
primary and secondary)
◎ Worn magneto (RH) end Crankshaft bearings
◎ Sheared flywheel key
◎ Flywheel loose or damaged
◎ Excessive crankshaft runout on magneto (RH) end -
should not exceed .005〃
◎ Faulty CDI module
CHARGING SYSTEM
MAIN FUSE ASSEMBLY
The main fuse assembly is located under the seat and
has a 15-amp capacity.
NOTE: Use only the recommended fuse capacity, as
use of a higher amperage fuse to correct blown—fuse
situations could lead to electrical component
damage.
Voltage Regulator / Rectifier
1. The voltage regulator / rectifier is located under the
headlight of right hand front cab.
2. If a problem exists with the charging system, test the
components around the regulator/rectifier to isolate the
component. If the stator is supplying sufficient AC current and
there is no DC current leaving the regulator/rectifier, replace
the component.
9.17