Mercury FourStroke 150 HP Outboard Motor
Service / Repair / Workshop Manual
DIGITAL DOWNLOAD
The official Mercury 150 HP Outboard Service Manual is the go-to reference for professional marine technicians and savvy boat owners servicing the 3.0L FourStroke engine.
This OEM service manual is designed for complete accuracy. It covers multiple Mercury FourStroke 150 HP models and is delivered in a searchable, printable PDF download format for instant access.
Our 3.0L FourStroke PDF comes unlocked, meaning you can download it to as many of your devices as you would like. It provides detailed repair procedures and maintenance guidance across all major systems — engine, fuel, cooling, ignition, electrical, and lower unit.
Key features of our manual include:
- Fully searchable and printable PDF that you can use dockside or in the shop
- Step-by-step instructions for diagnostics, teardown, and reassembly
- Full system wiring diagrams and maintenance schedule
- Instant download, which means no waiting and no shipping delays
This factory service manual is created directly from factory documentation and resources, which ensures precision with torque specs, troubleshooting charts, and system diagrams. Use it to complete any repair with confidence. Trusted by marine technicians and DIY owners for reliable, model-specific service guidance.
Whether you’re overhauling your motor or just performing seasonal upkeep, the Mercury 150 HP Outboard Service Manual offers reliable, detailed instructions for every level of service.
Format: PDF
Pages: 838
Quality: Very good. Please note this manual is from a scan and not from the original digital source. That means the pictures are sometimes not perfect quality but still very high quality and overall this manual is totally usable.
Models Covered: 150 HP 4-stroke motors: FourStroke 150, 150 SeaPro, 150 Pro XS, 150 L, 150 XL, 150 CXL, and 150 XL D2 motors
Table of Contents: Specifications, Maintenance, Information, Installation, Storage, Electrical - Ignition, Electrical - Charging and Starting Systems, Electrical - Timing, Synchronizing, and Adjustments, Electrical - Accessory Wire Diagrams, Fuel System - Theory of Operation, Fuel System - Troubleshooting and Diagnostics, Fuel System - Service Procedures, Fuel System - Emissions, Powerhead - Cylinder Block / Crankcase, Powerhead - Cylinder Head, Powerhead - Lubrication, Powerhead - Cooling, Midsection - Clamp / Swivel Brackets and Driveshaft Housing, Midsection - Adapter Plate and Driveshaft Housing, Midsection - Power Trim, Gear Housing - Right-Hand Rotation, Gear Housing - Left-Hand Rotation, Control Linkage and Attachments - Throttle Linkage, Control Linkage and Attachments - Shift Linkage
Part Numbers: 90-8M0168224 August 2020 (serial number 1B905505 and above)
