With its 123cc powerhead, the Mercury propane outboard offers impressive power by delivering a true 5hp on an alternative clean-burning fuel.
FourStroke 5hp propane
The clean-burning Mercury 5hp propane outboard was engineered for everywhere. It runs on the same propane tank used for your grill or can be operated on smaller “camp” propane canisters for the ultimate in portability. From your fishing boat at a remote outpost to the tender on your sailboat, a Mercury propane outboard is optimised for convenience.
Featured videos
Featured resources
Learn more about how Mercury makes great days on the water possible.
Intuitive, innovative features
Clean, powerful performance
Easy operation
With a pressurised fuel system, there is no fuel priming required, so you can be ready to go as soon as you connect the propane. With a manual choke, you will enjoy fast, easy starts, even when the engine is cold.
Portability & convenience
Simple to install and lightweight, a portable Mercury propane outboard lets you power your adventures with the same propane used for your grill, eliminating the need to transport petrol. It is perfect for keeping at a lake house or as a secondary propulsion stored on board a larger vessel.
Secondary power for sailboats
The 5hp propane outboard comes in a Sail Power model that features a longer shaft, a high-thrust prop to control larger boats and a 12-volt, 4-amp/50-watt alternator.
Safety enhancements
The fuel hose connector threads quickly and easily to the outboard, while propane auto shut-off valves on the engine and in the fuel-hose connector enhance safety on the water.
Fourstroke performance
Explore farther
A single 20-pound (5-gallon) propane tank can fuel the 5hp propane outboard for approximately six hours at full throttle.
Eco-friendly performance
Mercury 5hp propane outboards produce 25% lower exhaust emissions than comparable petrol-powered outboards.
Light & powerful
Enjoy true 5hp performance, all in a package that starts as light as 59.5 pounds – ideal for powering compact jonboats, inflatables and other small boats.
FourStroke Advantages
Corrosion Resistance
Advanced alloys. Durable coatings. Sealed electronics. Easy-to-use freshwater flush system. Fourstroke outboards come packed with premium corrosion-preventive technology that enables them to stand up to the most demanding marine environments.
Superior Control
With a choice of tiller or remote steering and compatibility with advanced SmartCraft® features such as Troll Control and Active Trim, you can optimise your engine for total command of all your adventures.
Go Farther
A host of efficiency-enhancing features such as Advanced Range Optimisation (ARO), a closed-loop fuel system and a hydrodynamic gearcase optimise fuel economy so you can go farther on every tank.
Power and Flexibility
A Mercury fourstroke outboard is the answer for fishing, cruising or all-around fun. They are ideal for powering a range of boats and come in four colour options to match your boat and style.
Engine Specifications by Horsepower
Warranty & maintenance
Warranty coverage
Mercury makes world-class marine products backed by world-class warranties.
Maintenance
Mercury fourstroke outboards are thoughtfully designed to minimise maintenance and ensure you get the most from your time on the water.
Become a Mercury insider
Sign up for our email list to hear about the latest Mercury product updates and news.
Resources for you
Brochures
Take a deeper dive into what makes Mercury fourstroke outboards stand apart with detailed information on each engine and the features that make them unique.
The best products have the best dealers
When you make the best marine products in the world, you want the best dealers behind them. That is why we ensure that Mercury dealers are the best equipped to sell and service our products. Your Mercury authorised dealer is the place to see and purchase Mercury engines as well as genuine Mercury Precision Parts® and accessories. With thousands of dealers, you can rest assured we are always close by and ready to help you Go Boldly®.