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16. STARTING SYSTEM Mongoose/KXR 90/50
Starter Motor
STARTER MOTOR
REMOVAL
Before removing the starter motor, turn
the ignition switch OFF and remove the
battery ground. Then, turn on the
ignition switch and push the starter
button to see if the starter motor operates
properly.
Disconnect the starter motor cable. Bolts
Remove two mounting bolts at the starter
motor attaching left crankcase, then remove Front Cover
the starter motor. (Mongoose/KXR 90's
starter motor is located on the engine.
Mongoose/KXR 50's starter motor is
located under the engine.)
DISASSEMBLY
Remove the two starter motor case screws,
front cover, motor case and other parts.
Motor Case Case Screws
Commutator
INSPECTION
Inspect the removed parts for wear, damage
or discoloration and replace if necessary.
Clean the commutator if there is metal
powder between the segments.
Check for continuity between pairs of the
commutator segments and there should be
continuity.
Also, make a continuity check between
individual commutator segments and the
armature shaft. There should be no
continuity.
16-3