Seloc Service Manual 118-01404 for Mercury Outboard 1965-1989, 2-40 HP 1-2 Cylinder 2-Stroke

The Seloc Service Manual 118-01404 is a comprehensive repair and service guide covering Mercury outboard motors built between 1965 and 1989, specifically the 2-40 HP, 1 and 2-cylinder, 2-stroke models. It is designed for boat owners, marine mechanics, and DIY technicians who need clear, illustrated guidance to diagnose, service, and repair their outboard without guesswork.

Inside, the manual provides simple-to-follow illustrated procedures backed by hundreds of drawings, exploded views, photos, and reference tables. Full troubleshooting sections walk through common failure points, while detailed specifications and wiring diagrams support electrical and mechanical work alike. A distinguishing feature of Seloc manuals is the Skill Level Rating system, which grades each procedure from 1 to 4 wrenches based on difficulty, and flags jobs that require an OEM or electronic testing tool with a Special Tool icon so you know what to expect before starting a job.

This title is one of over 40 Seloc manuals covering outboard, inboard, sterndrive, and diesel engines as well as personal watercraft, and it is built specifically around Mercury outboard service needs for the covered years and horsepower range.

Specifications

• Brand: Seloc
• Manufacturer Part Number: 118-01404
• Product Type: Outboard Service Repair Manual
• Make Covered: Mercury
• Years Covered: 1965-1989
• Horsepower Range: 2-40 HP
• Cylinder Configuration: 1 and 2 Cylinder
• Engine Type: 2-Stroke
• Format: Printed Manual
• Weight: 2 pounds
• Unit Count: 1

Fitment

• Mercury outboard motors, 1965-1989, 2-40 HP, 1 and 2-cylinder, 2-stroke models

Frequently Asked Questions

What engines does the Seloc 118-01404 manual cover? It covers Mercury outboard motors from 1965 to 1989 in the 2-40 HP range, specifically 1 and 2-cylinder, 2-stroke models.

Is this manual for inboard or outboard engines? Seloc manual 118-01404 is written specifically for Mercury outboard motors, not inboard or sterndrive engines.

Does the manual include wiring diagrams? Yes, the 118-01404 manual includes wiring diagrams along with troubleshooting steps and full specifications for the covered Mercury outboards.

How difficult are the repair procedures in this manual? Each procedure in the 118-01404 manual carries a Skill Level Rating from 1 to 4 wrenches, indicating the degree of difficulty so you can gauge a job before starting it.

Will I need special tools to follow this manual? Where a procedure requires an OEM or electronic testing tool, the 118-01404 manual marks it with a Special Tool icon so you know in advance.

How many cylinders and what stroke type does this manual cover? This manual covers 1 and 2-cylinder, 2-stroke Mercury outboard engines within the 2-40 HP range.

What is included with this manual? The 118-01404 listing includes one printed Seloc service manual covering the specified Mercury outboard range.

How much does the manual weigh? The Seloc 118-01404 manual weighs 2 pounds.

Are the illustrations in this manual detailed? Yes, manual 118-01404 includes hundreds of drawings, exploded views, and photos alongside reference tables to make procedures easy to follow.

Is this the correct manual if my Mercury outboard is over 40 HP? No, 118-01404 is limited to 2-40 HP, 1 and 2-cylinder, 2-stroke Mercury outboards; higher horsepower Mercury outboards from 1965-1989 require a different Seloc manual number.