Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 258Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 258

CYLINDER BLOCKCRANKC ASE
Thermostat and Exhaust Cover Installation
1Install oil filter
2Install new exhaust cover gasket and exhaust cover3Install thermostat, new gasket, and thermostat coverNOTE: Torque exhaust and thermostat covers in sequence and in two steps
91-802653

- Oil Filter Wrench (91-802653)Oil FilterGasketExhaust Cover