Yamaha SRX440 1980 Service Manual page 13

1980 SRX440
Deflection tolerance
Left side
Center Center
Right
side
(left) (right)
0.03 mm 0.04mm 0.04mm 0.05 mm
(0.0012 in) (0.0016 in) 10.0016 in) 10.0020 in)
FWD
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c. Check crankshaft assembly runout
(misalignment of crankshaft parts).
Dial gauge readings should be within
specification.
Correct any misalignment by tapping
the flywheel with a brass hammer an-
d/or by using a wedge.
80mm
~
1. Knock pin
2. Sealing surface
3. Upper case
4. Aligning mark
5. Crankshaft installation
a. Set the circlip on crank bearing as il-
lustrated. (The primary sheave side.)
CAUTION
:--~-----'----,
The oil seal lip must fit into the
crankcase groove,
UPPER CASE
I
o
FWD
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CD
b. Install the crankshaft assembly with oil
seal, align the bearing punch marks with
the crankcase lower and upper mating
surfaces.
c. Set the pins of bearing and labyrinth
seal in pin holes of crankcase upper by
moving the bearings and labyrinth seal.
1. Circlip
LOWER CASE
2. Sealing surface 3. Knock-pin
6. Crankcase installation
a. Apply YAMAHA BOND #4 to the mat-
ing surfaces of both case halves.
Apply thoroughly over all mating sur-
faces.
b. Set the crankcase half onto lower case
half. Install the crankcase holding bolts.
Each bolt position is numbered. Tighten
all crankcase holding bolts gradually in
the order of the numbers marked on
crankcase.
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