TOHATSU 50 Owner's Manual page 38

0 Oil pump air vent
Visually check whether there is air in the oil through the vinyl pipe
connecting the
oil
tank with the oil pump. If present, purge the air as
follows:
W Loosen the air vent screw on the oil pump to purge the air, and tighten it
when all air. as seen through the vinyl pipe on the oil pump side, has been
purged.
To check valve
1 NOTE
I
Wipe off any spilled oil with a rag, and dispose
of if
by burning or oiker
proper manner.
35