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Mercury 300R HD CMS Mechanical User Manual

Mercury 300R HD CMS Mechanical
99 pages
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Operation
Important Daily Inspection Before Each Use ................................................... 36
Prestarting Check List.......................................................................................36
Operating in Freezing Temperatures................................................................ 36
Operating in Saltwater or Polluted Water......................................................... 37
Operating at High Elevations............................................................................ 37
Effects of Elevation and Weather on Performance........................................... 37
Setting Trim Angle while Running Engine at Idle Speed.................................. 38
Engine Break‑in Procedure...............................................................................39
Fuel Supply Module Priming Procedure........................................................... 39
Starting the Engine........................................................................................... 41
Gear Shifting..................................................................................................... 44
Stopping the Engine......................................................................................... 45
Maintenance
Cleaning Care Recommendations.................................................................... 46
EPA Emissions Regulations............................................................................. 48
Inspection and Maintenance Schedule............................................................. 49
300R HD Models Maintenance Schedule Decal............................................... 51
Flushing the Cooling System............................................................................ 52
Top Cowl Removal and Installation.................................................................. 52
Battery Inspection ............................................................................................ 54
Battery Cables and Clean Power Harness....................................................... 55
Fuel System...................................................................................................... 57
Corrosion Control Anode.................................................................................. 59
Propeller Replacement—31.75 mm (1‑1/4 in.) Diameter Propeller Shaft......... 60
Spark Plug Inspection and Replacement..........................................................61
Fuses................................................................................................................ 64
Alternator Drive Belt .........................................................................................66
Lubrication Points............................................................................................. 66
Trim Thrust Guide Wear Pad............................................................................ 68
Checking Power Trim Fluid (Single‑Ram Trim)................................................ 69
Checking Hydraulic Steering Fluid....................................................................70
Checking Power Steering Fluid........................................................................ 70
Changing Engine Oil and Filter......................................................................... 71
Checking Engine Oil Level................................................................................76
Exhaust Water Strainer Inspection................................................................... 77
Gearcase Lubricant.......................................................................................... 78
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Mercury 300R HD CMS Mechanical Specifications

General IconGeneral
BrandMercury
Model300R HD CMS Mechanical
CategoryOutboard Motor
LanguageEnglish

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