Installation Instructions
1
ENGINE
B1700·B21 00·B2400 WSM, 11770
Camshaft
Alignment
1.
Support the camshaft
with
V-blocks on
the
surface plate and
set a dial indicator
with
its
tip
on
the
intermediate journal
at
right
angle.
2.
Rotate
the
camshaft
on
the
V-blocks
and
get
the
misalignment (half
ofthe
measurement).
3.
If
the misalignment exceeds
the
allowable
limit,
replace
the
camshaft.
C019F043
Camshaft
alignment
Allowable
limit
0.01 mm
0.0004 in.
t81
C019F045
C042F021
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o
0087F062
0087F063
Intake and Exhaust
Cam
Height
1.
Measure the height
of
the
cam
at
its highest
point
with
an
outside micrometer.
2.
Ifthe
measurement
is
less
than
the
allowable
limit,
replace it.
IN
28.80
mm
1.1339 in.
Factory spec.
EX
29.00
mm
Cam
height
of
intake
1.1417 in.
and exhaust
28.75
mm
IN
1.1319 in.
Allowable
limit
EX
28.95
mm
1.1398 in.
Oil Clearance
of
Camshaft Journal
1.
Measure
the
camshaft
journal
0.0.
with
an
outside
micrometer.
2.
Measure
the
cylinder block bore
1.0.
for
camshaft
with
an
inside micrometer. Calculate
the
oil clearance.
3.
If
the
clearance exceeds
the
allowable
limit,
replace
the
camshaft.
Factory spec.
0.050
to
0.091
mm
Oil clearance
of
0.00197
to
0.00358 in.
camshaft
0.15 mm
Allowable
limit
0.0059 in.
Camshaft bearing
Factory spec.
35.934
to
35.950 mm
journaIO.D.
1.41472
to
1
.41
535 in.
Camshaft bearing I.D. Factory spec.
36.000
to
36.025 mm
1.41732to1.41831
in.
C042F018
Clearance between Idle Gear Shaft and Idle Gear Bushings
1.
Measure
the
idle gear shaft
0.0.
with
an outside micrometer.
2.
Measure
the
idle
gear
bushings
1.0.
with
an
inside
micrometer, and calculate
the
clearance.
3.
If
the
clearance exceeds
the
allowable
limit,
replace
the
bushing.
Factory spec.
0.020
to
0.054
mm
Clearance
between
0.00079
to
0.00213 in.
idle
gear
shaft
and
idle
gear
bushings
Allowable
limit
0.1
mm
0.0039 in.
Idle
gear
shaft
O.D.
Factory spec.
25.959
to
25.975
mm
1.02200
to
1.02264 in.
Idle
gear
bushing I.D.
Factory spec.
26.000
to
26.025
mm
1.02362
to
1.02460 in.
1-S36