Mercury 250 Verado FourStroke - Fuel and Oil

Fuel and Oil
Fuel Recommendations.................................................................................... 41
Fuel Additives................................................................................................... 42
Low Permeation Fuel Hose Requirement ........................................................ 42
EPA Pressurized Portable Fuel Tank Requirements........................................ 43
Fuel Demand Valve (FDV) Requirement.......................................................... 43
Mercury Marine's Pressurized Portable Fuel Tank........................................... 43
Filling Fuel Tank............................................................................................... 44
Engine Oil Recommendations.......................................................................... 45
Checking and Adding Engine Oil...................................................................... 45
Features and Controls
Panel Mount Control Features and Operation.................................................. 48
Slim Binnacle Control Features and Operation................................................ 50
Dual‑Handle Console Control Features and Operation.................................... 56
Shadow Mode Control with CAN Trackpad Features and Operation............... 64
Warning System............................................................................................... 67
Power Trim and Tilt...........................................................................................69
Operation
Important Daily Inspection Before Each Use ................................................... 73
Prestarting Check List.......................................................................................73
Operating in Freezing Temperatures................................................................ 74
Operating in Saltwater or Polluted Water......................................................... 74
Operating at High Elevations............................................................................ 74
Propeller Selection............................................................................................74
Effects of Elevation and Weather on Performance........................................... 75
Setting Trim Angle While Running Engine at Idle Speed................................. 76
Engine Break‑in Procedure...............................................................................76
Fuel Supply Module Priming Procedure........................................................... 76
Starting the Engine........................................................................................... 78
Gear Shifting..................................................................................................... 81
Stopping the Engine......................................................................................... 82
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