14
2..4.2 Clutch
Top:
Tightening
the
hub
with a
torque
wrench
First degrease the threads on the
crankshaft and hub (Quickstop)
or
clutch
spider
(standard) with a
suit-
able solution (trichlorethlene,
dilu-
ted nitro
or
similar)"
The initial
assembly
operations are
different on the
Quickstop
and stan-
dard versions
..
On the Quickstop version, fit the
flange
washer
on the crankshaft,
screw
hub
counter-clockwise
onto
the crankshaft and tighten to a
tor-
que
of
49.0
Nm (5
..
0 kpm) using the
special socket
11188931300
and a
torque wrench"
It is essential to observe the speci-
fied torque as the hub may other-
wise
loosen during operation.
Engage the driving plate on the teeth
of the hub" The chain brake
must
be
in the
released condition during this
operation, Fit
flat spring on lugs
of
clutch spider; the raised spring tabs
Bottom:
Flat
spring
fitted on
spider
lugs
mustfaceawayfromtheclutch.
Now
push
clutch
together
with greased
needle sleeve onto the hub and turn
backwards and forwards until the
clutch
spider
lugs engage in the
dri-
ving plate.. Fit circlip to secure
clutch.
On
the standard version, fit cover
plate on the crankshaft so that the
raised outer
diameter
faces away
from the crankcase"
Screw
spider
of
clutch assembly
counter-clockwise
onto
the
crankshaft and tighten to a
torque
of
49.0 Nm (5.0 kpm) using
a torque wrench with a
19
mm socket.
It is essential to observe the speci-
fiedtorqueasthespidermayother-
wise
loosen
in
operation.
The
assembly
procedure is now the
same for both versions"
Lubricate
needle sleeve of clutch
drum with antifriction grease and fit
it on the crankshaft..
Push clutch drum onto crankshaft
and
needle sleeve and then fit spur
gear
onto oil pump shaft. Slip ring
gear
onto
hub of clutch drum.
Finish
off
by fitting cover and chain
sprocket; remove the
locking screw,
fit and tighten down the
spark
plug"
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