Mercury 300R HD CMS Mechanical User Manual

3. Push down on the port side of the service access door to unlock and open
the door.
64230
Push here to unlock
4. Remove the dipstick.
5. Install the oil drain hose onto the crankcase oil pump. Verify the hose is
securely attached.
a - Crankcase oil pump
b - Oil drain hose
a
b
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MAINTENANCE
eng 73

Mercury 300R HD CMS Mechanical Specifications

General

Brand	Mercury
Model	300R HD CMS Mechanical
Category	Outboard Motor
Language	English