Mercury Racing 500R Operation And Maintenance Manual page 130

5. Install the oil drain hose onto the crankcase oil pump. Verify the hose is
securely attached.
a
a - Crankcase oil pump
b - Oil drain hose
Crankcase Oil Pump
Oil Drain Hose
MAINTENANCE
b
11591
64627
120
63845
802889A1
Aids in the removal of engine oil without
draining the crankcase.
8M0129230
Aids in the removal of engine oil without
draining the crankcase. Connect to the
crankcase oil pump.
eng