ENGINE
i •
131
2. Rem
ove
the en
gi
ne as desc
ri
bed in this chapter.
3.
Remove the cylinder head cover. camshaft.
cy
linder. piston, starter clutch assembly and
exte
rn
al gearshift mechanism as described in this
chapter.
4. Loosen the bo
lt
(
Figur
e 2
39
) sec
ur
i
ng
the
speedometer drive shaft assembl
y.
Wi
thdraw the
drive shaft assembly (
Figure
240) from the
crankcase.
5.
Remove the counlerbalancer bolt (
Figur
e 2
41
)
and washer (
Figur
e 242).
6.
Remove the oil control ori
fi
ce
(F
ig
ur
e 243)
fr
om the r
ig
ht-hand crankcase.
7.
Place a copper washer (A. Fig
ur
e 244) between
the clu
tc
h outer
ho
using and the primary drive
gear. This wi
ll
pr
eveOl
the p
ri
mary drive gear from
rotat
in
g while loosening the nut.
CAUTION
The
primary drive gear III1t has l
ef
t-
hand
thread
s.
8.
Turn the wrench clockwise and loosen
th
e primary drive gear nut
(B
. • "ig
ur
e 2
44
).
9. Remove the
cl
utch as described under Clulch
Removal/Disassembly
in
Chapter Five.
10
. Remove the nut (Figu
re
24
5) and the
lockwasher (
Figur
e 246).
I
I.
Rem
ove
the primary drive gear
(F
ig
ure
247).
12. Rem
ove
the camshaft drive chain (Figu
re
248).
1
3.
Remo
ve
the camshaft
dr
i
ve
chain
dr
i
ve
sprocket (
Figure
249) from the crankshaft.
14. Remove the circlip (
Figur
e 250) securing the
oil pump driven gear and remove the gear (Fig
ur
e
251).
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