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12
Series 4137 Components - HT
:
Remove the screw (arrow) from
the starter.
VA
936RA000
:
Remove the screw (1) from the
fan housing.
:
Remove the shroud (2).
Install in the reverse sequence.
VA
936RA001
1
2
:
Make sure the gaskets on either
side of the cylinder, and the
ignition lead (arrow), are located
in the guides in the shroud.
VA
936RA304
Troubleshooting chart,
Removing
– Remove the shroud,
:
Take out the screws (arrows).
– Remove the engine from the fan
housing and put it to one side.
VA
936RA002
:
Inspect the clutch drum. There
should be no scores or signs of
excessive wear.
VA
936RA003
:
If there are noticeable wear
marks on the inside diameter of
the clutch drum (1), check its wall
thickness. If it is less than about
80% of the original thickness, fit a
new clutch drum,
VA
148RA101
80%
100%
1
!
:
Pull the boot (1) off the spark
plug.
:
Unscrew the spark plug (2).
VA
936RA004
1 2
5.
Engine
5.1
Shroud
5.2
Clutch