Mercury 150, 150 SeaPro, 150 Pro XS Outboard Service Manual

Original price was: $49.95.Current price is: $44.95.

SKU: MERC8M0168224 Category:

Covers: Mercury 150, 150 SeaPro, 150 Pro XS 4-Stroke Outboard Motors

  • Serial number 1B905505 and Above
  • Please contact us to verify compatibility before purchasing

Pages: 834
File size: 98mb
Compatibility: Windows/Mac/Tablet
Notes: Bookmarked, searchable, printable

This PDF service manual contains all the necessary instructions to service or repair Mercury 150 EFI 4-stroke 3.0L outboard motors with serial numbers 1B905505 and above. This is the same manual marine techs use to troubleshoot and repair the engine. Whether it’s routine maintenance, such as tune-ups and fuel system service, or more extensive repairs involving engine disassembly, this manual provides the most accurate information to perform the job.

Dated August 2020.


Important Information

  • Specifications
  • Maintenance
  • General Information
  • Installation
  • Storage


  • Ignition
  • Charging and Starting Systems
  • Accessory Wiring Diagrams
  • Fault List
  • Mercury Universal Fault Codes

Fuel System

  • Theory of Operation
  • Troubleshooting and Diagnostics
  • Service Procedures
  • Emissions


  • Cylinder Block/Crankcase
  • Cylinder Head
  • Lubrication
  • Cooling


  • Clamp/Swivel Brackets and Driveshaft Housing
  • Adapter Plate and Driveshaft Housing
  • Power Trim

Gear Housing

  • Right-Hand Rotation
  • Left-Hand Rotation S/N 2B172248 and Below
  • Left-Hand Rotation S/N 2B172249 and Above
  • Right-Hand Rotation (Pro XS)

Control Linkage and Attachments

  • Throttle Linkage
  • Shift Linkage
  • Cowl Latch

Color Diagrams

  • 150 EFI Engine Wiring Harness Diagram
  • Water Flow Diagram
  • Fuel Flow Diagram
  • Oil Flow Diagram

And Much More…


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