Mercury 225 HP V6 4-Stroke 2019–2023 Service Repair Manual – PDF Download

🛠️ Mercury 225 HP V6 4-Stroke 2019–2023 Service Repair Manual – PDF Download

🧰 OEM Factory Workshop Manual – Covers Mercury 225 HP V6 FourStroke CMS Outboards (Serial No. 2B529482 and up)
📲 Instant PDF Download – Compatible with Windows, macOS, iOS, Android, and Linux
🔧 Used by Mercury-certified marine technicians, repair shops, and serious boat owners

🔍 Model Background

The Mercury 225 HP V6 Four Stroke outboard (2019–2023) was introduced as part of Mercury’s modern naturally aspirated outboard family, offering a compact and efficient alternative to older, heavier engine designs. Built on a 3.4L V6 platform, this engine delivered excellent performance, fuel economy, and reliability for a wide variety of freshwater and saltwater boats.

Designed to be lightweight and versatile, the 225 V6 was well-suited for bay boats, pontoons, dual consoles, and center consoles. It featured Advanced Range Optimization (ARO) for improved fuel efficiency, Adaptive Speed Control (ASC) for consistent RPM through turns and chop, and compatibility with SmartCraft digital systems. It was available in both mechanical and Digital Throttle & Shift (DTS) configurations.

Boaters appreciated the engine’s low maintenance requirements, thanks to features like a top-mounted oil filter and service access door built into the cowl. Offering smooth performance with less weight and complexity than previous platforms, the 225 HP V6 FourStroke became a popular repower choice and remains one of Mercury’s most balanced offerings in the mid-horsepower range.

📆 Model Years Covered:

• Mercury 225 HP V6 Four Stroke – 2019
• Mercury 225 HP V6 Four Stroke – 2020
• Mercury 225 HP V6 Four Stroke – 2021
• Mercury 225 HP V6 Four Stroke – 2022
• Mercury 225 HP V6 Four Stroke – 2023

📘 Manual Details:

• Model: Mercury 225 HP V6 CMS 4-Stroke
• Serial Numbers: 2B529482 and up
• Engine Type: V6, EFI, 4-Stroke
• Document Type: OEM Service & Repair Manual
• Manual ID: 90-8M0182078
• Language: English
• Publisher: Mercury Marine
• Pages: 900+ with step-by-step procedures, diagrams, and diagnostics

📚 Manual Sections Include:

• General Information & Specifications
• Ignition & Charging System
• ECM, stator, flywheel, timing checks, charging system components
• Fuel System
• Electronic Fuel Injection (EFI), high-pressure fuel pump, injectors, SmartCraft integration
• Powerhead
• Pistons, camshaft, crankshaft, oil passages, valve train
• Cooling System
• Thermostats, impeller, water flow, bypass valves
• Midsection & Power Trim
• Swivel bracket, power trim motor, mounts, anti-vibration systems
• Gearcase Assembly
• Shift shaft, gear set, water pickup, oil seals, propshaft
• Control Linkage & Adjustment
• DTS or mechanical throttle setup, idle adjustment, shift calibration
• Wiring Diagrams
• SmartCraft & EFI schematics with labeled circuits and components

💾 Format & Compatibility:

• File Format: PDF
• Searchable & Bookmarked: ✅ Yes
• Printable: ✅ Yes – Entire manual or selected chapters
• Compatible With: Windows, macOS, iOS, Android, Linux
• Delivery: 📩 Instant Digital Download

🔍 Keywords:

Mercury 225 HP V6 FourStroke service manual PDF, 2019–2023 outboard repair, EFI diagnostics, DTS, SmartCraft, gearcase assembly, wiring schematics

❓ Mini FAQ:

Q: Is this the OEM repair manual for the Mercury 225 V6?
A: Yes – it’s the official factory-issued service manual used by Mercury-authorized techs.

Q: Are DTS and SmartCraft systems included?
A: Absolutely – includes diagnostics, troubleshooting, and diagrams for both systems.

Q: Can I access this PDF on mobile devices?
A: Yes – it’s fully compatible with all smartphones, tablets, and computers.

🧭 Helpful Resources for Mercury Outboard Owners

• Why Every Mercury Mariner Owner Needs a Service Manual for At-Home Repairs – Learn how a digital service manual can save you time and money on common DIY maintenance tasks.
• Outboard Engine Troubleshooter – Not sure what’s wrong with your engine? Our free troubleshooting guide covers common issues across Mercury Outboards and more.

🔧 Browse More Mercury Manuals

Note: While our manuals are designed for DIY use, they do not replace professional mechanical training. If you're unsure about a repair or your engine shows serious issues, we strongly recommend visiting a certified marine mechanic. These guides are best suited for owners with basic to moderate mechanical experience.