Mercury Service Manual – 35/40 HP (2 Cylinder) Outboards | P/N 90-42794-1

This original Mercury Marine Service Manual covers 35 HP and 40 HP 2-cylinder outboard engines from 1990 and later. A trusted factory-issued guide, it's designed for marine technicians and DIY boat owners seeking accurate specifications, diagnostic procedures, and step-by-step repair instructions.

Manual Features:

• Models Covered: 35 HP & 40 HP (2-Cylinder) Mercury Outboards

• Applicable Years: 1990 models and newer

• Serial Number Ranges:

  • United States: 5823918 – OC221499

  • Australia: 8070640 and above

  • Belgium: 9298956 – 9682499

  • Canada: 7169338 – 0A742199

• Part Number: 90-42794-1

• Publisher: Mercury Marine

• Printed In: U.S.A.

• Contents Include:

  • Engine specs and torque data

  • Maintenance schedules

  • Fuel, ignition, and electrical system diagnostics

  • Powerhead and lower unit disassembly/reassembly

  • Troubleshooting charts and schematics

Condition: Pre-owned workshop copy with wear and markings appropriate for its age and use—ideal for hands-on marine mechanics and restoration projects.

Stay precise and efficient with this genuine Mercury guide in your toolbox