Honda SH300 2006 Manual page 310

CRANKCASE/CRANKSHAFT
Press the new bearings until the metal installer
flange fully seat.
Make sure the bearing mating line aligns with the
index mark on the crankcase.
Check the oil clearance (page 14-8).
• After selecting new bearings, recheck the clear-
ance. Incorrect clearance can cause severe
engine damage.
Install the crankshaft (page 14-14).
CRANKCASE ASSEMBLY
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 engine oil to a new oil seal lip and outer sur-
face.
Install the oil seal until it is fully seated with the left
crankcase.
14-14
INSTALLER SET
BEARING
DRIVER BASE
INDEX MARK
LEFT CRANKCASE
RIGHT CRANKCASE
OIL SEAL