MerCruiser 3.0 MPI Owner's Manual page 6

Conditions Affecting Operation............................. 42
Weight Distribution (Passengers and Gear)
Inside the Boat.............................................. 42
The Bottom of the Boat................................. 42
Cavitation...................................................... 42
Ventilation..................................................... 42
Fuel Requirements...............................................46
Fuel Ratings.....................................................46
Using Reformulated (Oxygenated) Gasoline
(USA Only).......................................................46
Gasoline Containing Alcohol........................... 46
Owner/Operator Responsibilities.......................... 50
Dealer Responsibilities.........................................50
Maintenance.........................................................50
Do-It-Yourself Maintenance Suggestions.............51
Inspection.............................................................51
Maintenance Schedule-Sterndrive Models........ 52
Routine Maintenance.................................... 52
Scheduled Maintenance................................ 52
Maintenance Log..................................................53
Engine Oil.............................................................54
Checking and Filling......................................54
Changing Oil and Filter................................. 55
Easy Engine Oil Drain System......................55
Engine Oil Drain Pump..................................56
Changing the Oil Filter.................................. 56
Power-Assisted Steering Fluid............................. 57
Checking....................................................... 57
Filling.............................................................57
Changing.......................................................58
Engine Coolant.....................................................58
Checking....................................................... 58
Filling.............................................................59
Changing ......................................................60
Drive Unit Oil........................................................ 60
Checking..........................................................60
Filling............................................................... 60
Changing......................................................... 60
Power Trim Fluid.................................................. 62
Checking..........................................................62
Filling............................................................... 62
Changing......................................................... 62
Cleaning the Flame Arrestor................................ 63
Positive Crankcase Ventilation Valve (PCV)... 63
Page ii
Getting Started..................................................... 44
Section 4 - Specifications
Engine Oil.............................................................47
Engine Specifications...........................................48
Fluid Specifications.............................................. 48
Section 5 - Maintenance
Cleaning the IAC Muffler...................................... 64
Changing the Water-Separating Fuel Filter..........65
Inspecting the Fuel Pump Sight Tube.................. 66
Lubrication............................................................67
Propellers............................................................. 72
Drive Belts............................................................73
Flushing the Power Package................................ 75
Battery..................................................................77
Corrosion Protection.............................................78
Elevation and Climate................................... 43
Propeller Selection........................................43
20-Hour Break-In Period............................... 44
After Break-In Period.....................................44
End of First Season Checkup....................... 44
Sterndrives.......................................................48
Engine..............................................................48
Changing..................................................... 63
Steering System............................................67
Manual Steering System...............................68
Throttle Cable................................................69
Shift Cable - Typical......................................69
Sterndrive Unit and Transom Assembly........ 70
Sterndrive U-joint Shaft Splines and O-rings
(Sterndrive Unit Removed)............................70
Engine Coupler............................................. 70
Driveshaft Extension Models......................... 71
Propeller Repair............................................ 72
Alpha Propeller Removal.............................. 72
Alpha Propeller Installation........................... 72
Checking..........................................................73
Replacing Belts on Front Mount Models..........74
Power Steering Pump Drive Belt................ 74
Alternator Belt............................................. 74
Replacing Belts on Side Mount Models...........75
Power Steering Pump Drive Belt................ 75
Alternator Belt............................................. 75
Flushing Attachments...................................... 75
Sterndrive Water Pickups................................ 76
Painting Your Power Package.........................82
90-899883272 MARCH 2008