Is there a difference between freshwater and saltwater outboard motors?

Instead of taking in outside water for cooling, these systems rely on an onboard reserve of water and antifreeze. Since saltwater never enters the system, there's no need for manual flushing. This is one of the key differences between a saltwater and freshwater outboard motor, but it will have an impact on price.
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Can you use a saltwater outboard in freshwater?

no problems. Saltwater motors are more robust (from a components perspective, corrosion resistance) than non-saltwater rated motors. The only reason is the expense of a salt water motor vs freshwater. If you already have it, it will work fine in fresh water.
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Can all outboard motors be used in saltwater?

All outboards are designed to be used in fresh or saltwater. Saltwater is corrosive, but these engines are designed to take it with stainless steel components. Regardless, your engine will last longer if you take care of it.
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What is the difference between freshwater and saltwater boat motors?

One of the most important differences between a saltwater boat and a freshwater boat is the mercathode system. This is a cathodic protection system that runs a small electrical current through the engine, including the engine block and outdrive components.
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Can I run my Mercury outboard in saltwater?

Mercury outboard engine will not run in salt water.
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Freshwater to Saltwater Motor Transition



What is the most dependable outboard motor?

Suzuki DF90.

This outboard engine is of four-stroke, and it has 90 horsepower. It is the best engine to repair because it has a bit long tooth that can be functional for 8 years and more.
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Is it OK to leave boat in saltwater?

A boat can only safely stay in saltwater for about one week, but in most cases, three to four weeks in freshwater will not cause damage. When you leave a boat sitting in water, it never gets a chance for the construction materials to dry out.
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Is salt water hard on outboard motors?

Although saltwater can easily damage an outboard motor, there is not need to forgo saltwater boating. Instead, pay careful attention to regular and preventative maintenance that will help keep your outboard motor clean during saltwater use.
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Can you use an inboard outboard in saltwater?

It doesn't matter what propels your boat — inboard, outboard, I/O, jet drive — nothing on your boat that comes in contact with saltwater is immune to its corrosive powers. Different propulsion systems may be attacked in different spots, but your power plant needs protection.
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How do you tell if a boat is saltwater or freshwater?

If you use an engine with raw water cooling in saltwater, be sure to flush it with freshwater after use. How to tell if a boat has been in salt water? Look under the exhaust flaps for rust. Rust is the best indicator for saltwater use.
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Can you run a regular outboard in saltwater?

Can Any Outboard Motor Be Used in Saltwater? In 2020, all outboard motors will function equally well in freshwater or saltwater. Therefore, any outboard motor can be used in saltwater.
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How long do outboards last in saltwater?

A typical estimate from the industry is that an outboards motor last around 1,500 hours of operation. Assuming the average owner uses their boat 200 hours a year, this would mean that the motor would last between seven and eight years.
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How do I make my boat saltwater ready?

Here are the steps for a full saltwater conversion:
  1. evaluate your current setup.
  2. apply anti-foul bottom paint.
  3. install a full closed cooling system ... OR:
  4. install a freshwater flush system.
  5. install a Mercathode system if docked in saltwater marina.
  6. change out your hardware and electrical system to marine-grade.
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Which is quieter inboard or outboard motor?

The Inboard

Weighing the pros and cons is difficult as those that enjoy inboard motors like them for a few vital reasons. While they require a large box in the middle of the ship to hold the engine, they are quieter than their outboard counterparts and better for entertaining guests.
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How do you clean a boat engine after salt water?

How To Clean Boat Engine After Salt Water?
  1. Rinse the engine with fresh water as soon as possible after being in salt water. ...
  2. Use a soft brush to remove any debris from the engine.
  3. Wash the engine with a mild soap and water solution.
  4. Rinse the engine thoroughly with fresh water.
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Do I need to flush outboard every time?

Most outboard manufacturers recommend a freshwater flush after every use in saltwater to clear the cooling passages of salt residue and scale that can accumulate and impede the flow of vital cooling water through the engine.
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Should you store your outboard up or down?

Simply put, if you are leaving the boat in the water, leave it in the up position to avoid growth. If you are leaving it out of the water, trim it down to drain the water and protect the Power Tilt and Trim seals from the sun.
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Is it better to leave outboard up or down?

It's best to tilt your outboard up when leaving your boat in the water to prevent marine growth from forming and from corrosion eating away at its metal parts.
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Can you use the same boat for freshwater and saltwater?

Can I use a freshwater boat in saltwater, and vice versa? For the most part, freshwater boats can be used in saltwater. However, boat owners need to be aware of the increased potential for corrosion. To reduce these risks, be sure to flush out the engine with freshwater following your trip.
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Which is better Yamaha or Mercury outboard?

If you are interested in going green, then the Yamaha is a great choice. It offers two electric outboard motors, while Mercury currently offers none. If you are interested in a long-lasting warranty, Mercury might be the better choice because you can get an extended warranty for up to eight years.
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What is the quietest outboard motor?

You can hear the result of this effort when you turn the key of a new Mercury L6 Verado® outboard. Or perhaps you won't. Despite muscular ratings of 350hp and 400hp, these Supercharged L6 Verado models are the quietest engines in their horsepower category.
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Who builds the best outboard motor?

Best Outboard Engines In 2021
  • Suzuki DF90A.
  • Yamaha F25.
  • Suzuki DF25A.
  • Mercury 90-150 FourStroke Lineup.
  • Mercury SeaPro 500HP.
  • Mercury Verado 600HP V12.
  • Torqeedo Deep Blue.
  • Yamaha V-Max SHO 115.
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What is considered high hours on a 4 stroke outboard?

but the price should reflect it's use, because the next guy won't pay top dollar for it either. Big 4 strokes are good for 5,000 to 6,000 hours.
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How long can you run an outboard at full throttle?

According to David Meeler, Yamaha's product design manager, “You only have about 15 seconds of cumulative dry running time before your impeller starts to fail due to excessive friction. That means if you run your outboard dry for three seconds five times, it will likely fail.”
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