Ignition System
73
Ignition Module
To removal an Ignition Module:
1. Unplug the spark plug.
2. Drain the fuel out of the fuel tank into an approved
container.
3. Disconnect the fuel line from the tank.
4. Remove the recoil starter by following the procedures
described in Chapter 6: Starters
5. Lift the blower housing off of the engine.
6. Unplug the wire from the spade terminal on the Stop
Switch.
7. Remove the module using a 10 mm wrench.
To install an ignition module and set the air gap:
NOTE: If just setting the air gap, loosen the module
mounting screws first then follow the same steps
as described below.
1. Rotate the flywheel so that the magnets are away
from where the module is mounted.
2. Install the module. Do not tighten the module down.
3. Place a non-ferrous feeler gauge between the mod-
ule and the flywheel. See Figure 7.14.
NOTE: The air gap should be 0.012” - 0.020” (0.3 - 0.5
mm).
4. Rotate the flywheel so that the magnets align with the
legs of the module while holding the feeler gauge in
place. See Figure 7.15.
5. Tighten the module mounting screws to a torque of
89 in lbs (10 Nm).
6. Rotate the flywheel to remove the feeler gauge.
7. Install the blower housing and starter.
8. Connect the spark plug wire to the spark plug.
9. Test run the engine before returning to service.
Figure 7.13
Ignition Module
Stop Switch
Figure 7.14
0.012” feeler
gauge
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