Honda BF135A Manual page 463

6) Install the upper main bearings on the cylinder block
aligning the projection on the upper main bearing with the
concave in the cylinder block.
7) Apply molybdenum disulfide oil to the crankshaft main
journal, crank pin and the thrust washer mating surfaces.
8) Put the No.2 and No.3 pistons at the bottom dead center of
their stroke. Install the crankshaft on the cylinder block
while aligning it with the No.2 and No.3 connecting rods.
NOTICE
Install the crankshaft with care not to damage the journals.
9) Install the connecting rod bearing on the connecting rod
cap aligning the projection on the connecting rod bearing
with the concave in the connecting rod cap.
10) Install the two dowel pins on the connecting rod cap.
13-22
[1] PROJECTION
[3]
CONCAVE
[4]
MOLYBDENUM
DISULFIDE OIL
[7]
CYLINDER
BLOCK
[1]
CONNECTING ROD
BEARING
[3]
CONNECTING
ROD CAP
[2]
UPPER MAIN
BEARING
[5]
CRANKSHAFT
[6]
UPPER MAIN
BEARING (5)
[2]
10 x 12 mm
DOWEL PIN (2)