How to Install an Electric Start on a 20HP Mariner / 25HP Mercury Outboard | DeWalt 20V Setup скачать в хорошем качестве

How to Install an Electric Start on a 20HP Mariner / 25HP Mercury Outboard | DeWalt 20V Setup

In this video, we walk step by step through installing a lightweight electric start kit on a 20 HP Mariner or 25 HP Mercury outboard motor, perfect for a RIB inflatable dinghy. Instead of a traditional heavy marine battery, we use DeWalt 20V tool batteries to save weight, simplify wiring, and improve reliability—ideal for America’s Great Loop and full-time cruising. This DIY electric start setup is a game changer for cruisers who want easier starts, less strain on the pull cord, and a more compact power solution for their dinghy. We cover required parts, wiring basics, mounting tips, and real-world lessons learned to help you replicate this setup safely and efficiently. Whether you’re preparing for the Great Loop, cruising full-time, or just upgrading your dinghy motor, this install offers a practical, budget-friendly alternative to factory electric start systems. Topics covered in this video: Electric start installation for Mariner & Mercury outboards Using DeWalt 20V batteries on a marine engine Weight savings for RIB inflatable dinghies Dinghy upgrades for cruising and the Great Loop Practical DIY boating solutions for liveaboards 0:00 Intro 02:11 Start Kit Overview 03:18 flywheel removal 04:35 Ring Gear Install 06:36 Why no charging 07:51 dewalt batter system overview 08:35 starter install 11:00 wiring solenoid 11:36 install start switch 13:34 under cowl wiring illustration 13:40 testing the system 14:30 amperage protection 15:11 complete battery setup before install 15:39 install on the boat 16:04 Tell us what you have done! 17:56 What about the chart plotter? 18:25 Conclusion If you’re refitting your boat or dinghy for long-distance cruising, don’t forget to like, subscribe, and follow along as we prepare for America’s Great Loop and life on the water. #outboard motor, #dingy outboard upgrade, #diy electric outboard