First, turn the stick coil by 90 degrees, and then pull it out by twisting the coil head to the left and right while holding it securely by hand.

NOTICE
Do not pry the connector part of the coil while removing the coil.
Timing Rotor Installation
Stick Coil InstallationTrip Meters
The trip meter has two meters which
distinguished between the “TRIP A”
and “TRIP B”. The trip meter shows
the distance in kilometers or miles traveled
since it was last reset to zero.
TRIP A: 0.0 9999.9
TRIP B: 0.0 9999.9
A. Trip Meter
B. “TRIP A”
To reset the trip meter:
...
Parts Removal/Installation
WARNINGGasoline is extremely flammable and can be
explosive
under certain conditions. Turn the ignition
switch OFF. Do not smoke. Make sure the area is
well-ventilated and free from any source of flame
or sparks; this includes any appliance with a pilot
light.
NOTICE
...
Commutator Cleaning and Inspection
Clean the metallic debris off the between commutator
segments [A].
NOTE
Do not use emery or sand paper on the commutator.
Check the commutator for damage or abnormal wear.
Replace the starter motor with a new one if there is any
damage or wear.
Visually inspect the commutato ...