3-35
ENGINE
These plates
are
expendable: they
are
meant
to
be
replaced
when found worn down
or
distorted
to
the respective
limit:
use
a caliper
to
check thickness and a thickness
gauge
and
surface plate
to
check distortion.
09900-20102: Vernier calipers
09900-20803: Thickness
gauge
Service
Limit
Drive plate
Thickness
2.35 (0.09)
Distortion
-
Claw
width
15.3 (0.60)
CLUTCH SPRING FREE LENGTH
Unit:
mm (in)
Driven plate
-
0.1
(0.004)
-
Measure the free length
of
each
coil spring
with
vernier cali-
pers,
and
compare the elastic strength
of
each
with
the specifi-
ed
limit.
Replace all the springs
if
any spring
is
not
within
the
limit.
Clutch spring free length
Service
Limit:
34.77 mm (1.368 in)
CLUTCH BEAR INGS
I nspect clutch bearing
for
any abnormality, particu larly cracks,
upon removal
from
the clutch,
to
decide whether
it
can
be
re-
used
or
should
be
replaced.
Smooth engagement
and
disengagement
of
the clutch depends
much on the condition
of
this bearing.
NOTE:
Thrust washer is located between the pressure plate and thrust
bearing.
GEARSHIFT FORK CLEARANCE
Using a thickness
gauge,
check the shifting
fork
clearance in
the groove
of
its
gear.
This clearance
for
each
of
the three shifting forks plays
an
im-
portant role in the smoothness and positiveness
of
shifting
action.
Each
fork
has
its prongs
fitted
into
the annular groove
provided in its
gear.
In operation, there
is
sliding contact
be-
tween
fork
and
gear
and, when a shifting action
is
initiated,
the
fork
pushes
the
gear
axially.
Too
much a clearance
is,
therefore, liable
to
cause
the
meshed
gears
to
slip apart.
Checking distortion
Checking claw width
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