Section 04
ENGINE (DI)
Subsection 04
(MAGNETO SYSTEM)
04-04-4
SMR2002-061_04_04A.FM
Pay particular attention to position ring gear teeth
chamfer side as per following illustration.
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 magneto fly-
wheel flange.
To apply Gun Kote proceed as follows:
1. Clean thoroughly and degrease replacement
part using a non oil base solvent.
2. Apply coating in light thin coats using a spray
gun.
NOTE:
Do not spray Gun Kote into magneto fly-
wheel threaded holes.
3. Bake parts in oven at 175
°
C (350
°
F) for 1 hour
to cure Gun Kote.
CAUTION:
Do not eliminate Gun Kote heat cur-
ing time because it will lose all its resistance
and it will not give any protection.
Magneto Housing
Install gasket
no. 24
between magneto housing
no. 5
and engine crankcase.
Install magneto housing and torque screws
no. 16
to 9 N•m (80 lbf•
in
).
Armature Plate
Position the armature plate on the crankcase,
aligning the marks on both parts.
When reinstalling armature plate on a new crank-
case housing, proceed as follows.
Find manufacturer’s mark on armature plate. In
line with this mark, punch another mark on adja-
cent crankcase lug.
TYPICAL
1. Manufacturer’s mark on armature plate
2. Punch a mark on crankcase lug aligned with plate mark
The new mark on crankcase will be used for fur-
ther assembly positioning as a pre-timing position.
TYPICAL
1. For further assembly, use these marks
Apply a drop of Loctite 243 (blue) on threads of
screws
no. 15
and torque to 6 N•m (53 lbf•
in
).
Magneto Flywheel
Apply Loctite 243 (blue) on crankshaft taper.
Position Woodruff key and magneto flywheel. Ap-
ply Loctite 243 (blue) on nut
no. 13
. Install nut with
lock washer and torque to 145 N•m (107 lbf•ft).
CAUTION:
Never use any type of impact wrench
at magneto installation.
F01D3BA
1
F01D4FA
2
1
F01D4GA
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Summary of Contents for GTX 4-TEC 5573 2002
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