Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 29Get this manual
GENERAL INFORMATION
8Drain water from the oil injection system as follows: aRemove remote oil hose (black without blue stripe) from pulse fitting on starboard side of enginebDrain any water from hose and reconnectcIf water was present in hose, check for water in the remote oil tankDrain tank if water is present9Disassemble the engine starter motor and dry components10Prime the oil injection pump as follows: aFill the engine fuel system with fuelConnect fuel hose and squeeze primer bulb until it feels firmbTurn the ignition key switch to the "ON" position
cWithin the first 10 seconds after the key switch has been turned on, move the remote control handle from neutral into forward gear to timesThis will automatically start the priming process