Service Manual

Crankcase
1. Remove the seven screws retaining the
sump assembly to the block. When the
sump
is pulled off the crankshaft, take care
not
to cut the seal. See Fig. 4-21.
Figure 4-21
2. Turn the sump over and examine the
governor assembly. Make sure the governor
plunger has not dropped into the block of
the engine as the plunger is loose on its
shaft. See Fig. 4-22.
Figure 4-22
Governor Assembly
1.
To disassemble the governor, pry up be-
tween the governor and the sump of the
engine with a flat bladed screwdriver. See
Fig. 4-23. The governor is held on its shaft
with a nylon shoulder. There are no retain-
ing rings.
e
WASHER
Figure 4-23
2. Note the position of the two thrust washers.
Refer to Fig. 4-23. One washer is located
under the plunger and one is located under
the governor assembly.
Camshaft
1. The camshaft drives both the governor and
the oil pump. Refer to Fig. 4-22.
2. The witness marks on the cam gear and
crank gear can be seen in Fig. 4-24. These
marks must be matched
to establish correct
valve timing.
Figure 4-24
3. The cam gear may now be removed from the
crankcase. Note the oil pump drive pin in
the end of the shaft. See Fig. 4-25.
Figure 4-25
4. With the camshaft removed, the cam fol-
lowers are exposed. See Fig. 4-26.
Figure 4-26