Fuel and Oil
Fuel Recommendations.................................................................................... 39
Fuel Additives................................................................................................... 40
Low Permeation Fuel Hose Requirement ........................................................ 40
EPA Pressurized Portable Fuel Tank Requirements........................................ 40
Fuel Demand Valve (FDV) Requirement.......................................................... 41
Mercury Marine's Pressurized Portable Fuel Tank........................................... 41
Filling Fuel Tank............................................................................................... 42
Engine Oil Recommendations.......................................................................... 43
Checking and Adding Engine Oil...................................................................... 43
Features and Controls
Remote Control Features................................................................................. 46
Warning System............................................................................................... 46
Power Trim and Tilt...........................................................................................48
Operation
Important Daily Inspection Before Each Use ................................................... 52
Prestarting Check List.......................................................................................52
Operating in Freezing Temperatures................................................................ 53
Operating in Saltwater or Polluted Water......................................................... 53
Operating at High Elevations............................................................................ 53
Effects of Elevation and Weather on Performance........................................... 53
Setting Trim Angle while Running Engine at Idle Speed.................................. 54
Operating in Shallow Water.............................................................................. 54
Engine Break‑in Procedure...............................................................................55
Starting the Engine........................................................................................... 55
Gear Shifting..................................................................................................... 58
Stopping the Engine......................................................................................... 58
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Summary of Contents for 150 FourStroke
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