Mercury 300 XS OptiMax User Manual

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Fuel and Oil
Fuel Requirements........................................................................................... 41
Oil Recommendation........................................................................................ 42
Fuel Additives................................................................................................... 42
Avoiding Fuel Flow Restrictions........................................................................43
Low Permeation Fuel Hose Requirement ........................................................ 43
EPA Pressurized Portable Fuel Tank Requirements........................................ 43
Fuel Demand Valve (FDV) Requirement.......................................................... 43
Mercury Marine's Pressurized Portable Fuel Tank........................................... 44
Filling Remote Oil Tank.................................................................................... 45
Filling Engine Mounted Oil Reservoir Tank...................................................... 45
Filling Fuel Tank............................................................................................... 46
Features and Controls
Remote Control Features................................................................................. 47
Zero Effort Control Features............................................................................. 48
Warning System............................................................................................... 48
Power Trim and Tilt...........................................................................................50
Power Trim Operation ......................................................................................50
Power Tilt Operation (Single‑Ram Systems).................................................... 52
Power Tilt Operation (Three‑Ram Trim Systems)............................................ 52
Auxiliary Tilt Switch........................................................................................... 53
Manual Tilt Operation....................................................................................... 53
Operation
Important Information........................................................................................55
Engine Break‑in................................................................................................ 55
Engine Break‑in Fuel Mixture........................................................................... 56
Prestarting Check List.......................................................................................56
Operating in Freezing Temperatures................................................................ 56
Operating in Saltwater or Polluted Water......................................................... 57
Operating at High Elevations............................................................................ 57
Effects of Elevation and Weather on Performance........................................... 57
Setting Trim Angle While Running Engine at Idle Speed................................. 58
Operating in Shallow Water.............................................................................. 58
Oil Injection System.......................................................................................... 59
Starting The Engine.......................................................................................... 61
Gear Shifting..................................................................................................... 64
Stopping the Engine......................................................................................... 64

Mercury 300 XS OptiMax Specifications

General

Brand	Mercury
Model	300 XS OptiMax
Category	Outboard Motor
Language	English