Section 04 ENGINE (2-STROKE)
Subsection 03 (MAGNETO SYSTEM)
CLEANING
Clean all metal components in a solvent.
CAUTION: Clean coils and magnets using only
a clean cloth.
Clean crankshaft taper and threads using acetone.
Apply the acetone on a rag first then clean the
crankshaft.
ASSEMBLY
717 Engines
Generating Coil
Strip end of old wire then crimp and solder on new
coil.
Apply Loctite 243 (blue) to screws no. 22 and in-
stall the new coil on armature plate.
Use magneto coil centering tool (P/N 420 876 922)
and install so that it fits around armature plate be-
fore tightening screws.
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1
1. Magneto coil centering tool (P/N 420 876 922)
CAUTION: Before reinstalling the magneto, re-
move the loose epoxy from harness.
Battery Charging Coil
Position new coil, crimp and solder all wires.
Prior to assembly, apply Loctite 243 (blue).
Use magneto coil centering tool (P/N 420 876 922)
and install it so that it fits around armature plate
before tightening screws no. 23.
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1. Magneto coil centering tool (P/N 420 876 922)
Magneto Flywheel and Ring Gear
Apply Loctite 648 (green) to magneto flywheel
mating surface. Lay ring gear on a steel plate,
then heat with a propane torch in order to install it
on magneto flywheel.
Pay particular attention to position ring gear teeth
chamfer side as per following illustration.
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1. Teeth chamfer
NOTE: Ensure that ring gear contacts magneto
flywheel flange.
Whenever replacing either ring gear or magneto
flywheel, Gun Kote must be applied to prevent
possible corrosion.
CAUTION: Always assemble magneto flywheel
and ring gear prior to apply Gun Kote. If not
done correctly, ring gear won't contact magne-
to flywheel flange.
To apply Gun Kote proceed as follows:
smr2004-Complete Line Up 93
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