Honda SH125 Manual page 246

CRANKCASE/CRANKSHAFT
Apply 2 cc minimum of engine oil to each new
crankshaft bearing.
Drive in each new crankshaft bearing into the crank-
case with the marked side facing up until it is fully
seated.
TOOLS:
Attachment, 72 x 75 mm
After installation, check that the height from the
crankcase mating surface to the bearing surface is
within specification.
SPECIFIED HEIGHT:
Driver 07749-0010000
07746-0010600
Pilot, 35 mm 07746-0040800
Right side: 24.54
-
24.62 mm (0.966
-
0.969 in)
Left side: 21.55
-
21.63 mm (0.848
-
0.852 in)
Clean the insides and mating surface of the crank-
cases.
Check for cracks or other damage.
Dress any roughness or irregularities with an oil
stone.
Apply 3 cc minimum of engine oil to the connecting
rod big end bearing.
Install the special tools onto the left crankshaft bear-
ing inner race and crankshaft.
TOOLS:
Assembly collar 07965-VM00100
Assembly shaft 07965-VM00200
Be careful not to
Draw the crankshaft into the crankshaft bearing
bend the connect-
inner race.
ing rod by letting it
press against the
crankcase mating
surface.
Apply sealant to the right crankcase mating surface.