Special tools and equipmentEngine bottom side assembly
Assemble the engine bottom side in the reverse order of
disassembly. Pay attention to the following points:
Note
apply engine oil to each running and sliding
part before reassembling.
Breather oil return plate
When installing the breather oil return plate (1), apply
thread loc ...
Piston and piston ring inspection
Refer to “piston ring removal and installation” .
Piston diameter
Measure the piston diameter using the micrometer at 15
mm (0.6 In) “a” from the skirt end. If the piston diameter
is less than the service limit, replace the piston.
Special tool
(a): 09900–20203 (micrometer (50 –
75 mm))
Pis ...
Crankshaft journal bearing inspection and
selection
Refer to “engine bottom side disassembly” (page 1d-
49).
Refer to “engine bottom side assembly” .
Inspection
Inspect each upper and lower crankcase bearing for
any damage.
Set the crankshaft onto the upper crank case.
Install the plastigauge onto each crankshaft jour ...