Your question: Do you need to fog a 4 stroke engine?

4 strokes do not need “fogging” because pretty much all the moving parts are already coated with crankcase oil. In fact,fogging a 4 stroke does not even reach or have any effect on 99% of the moving parts in a 4 stroke.

Is fogging an engine necessary?

Re: Is fogging really necessary? IMO, the only reason to fog is to coat the cylinder walls so they won’t rust during layup. You could bypass the fuel system entirely. Pull the plugs, spray directly into the cylinders, then spin the motor a few revolutions to distrinute the oil.

Do you need to winterize a 4 stroke outboard motor?

Like inboards and sterndrives, outboard engines are also subject to potential damage from freezing and from being laid up in disuse for months at a time. … So outboards demand winterizing too.

What happens if you don’t fog a boat motor?

Fog the Engine Cylinders

Aerosol fogging solutions coat the inside of the engine to protect it until spring. … If you don’t fog the engine cylinders, corrosion can form inside the engine, covering the cylinders, pistons and rings with a patina of abrasive crud.

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Do you need to fog a Yamaha 4 stroke outboard?

Today’s fuel efficient, performance designed four-stroke outboards require extra care with the oil and filter. The four-stroke combustion process creates some contaminants that are removed by the oil filter. … Traditionally, you might have used fogging oil sprayed through the intake manifold while the motor is running.

Can you use WD40 as fogging oil?

WD40 is a fairly thin oil and it does not do as good a job as other oils. A much better fogger would be Deep Creep (a seafoam product) because of all the additional things that it does. Deep creep is a 100% petroleum product which WD40 is not.

How do you fog an engine for storage?

How to Use Fogging Oil

  1. Start the engine and remove the air filter.
  2. While the engine is running, spray STA-BIL fogging oil into the air intake of each cylinder.
  3. After 10 seconds, shut off the engine.
  4. Remove the spark plugs – carefully!

How many hours will a 4 stroke outboard last?

A typical two-stroke or four-stroke outboard engine should provide 1,500 hours of run time. Based on the average use of 200 hours per year, this will last 7-8 years. However, changing your oil every 50 hours of operation and regularly flushing the engine can see your outboard engine last 10 to 20 years.

Is fogging an outboard motor Necessary?

To winterize your outboard motor, you only need a few simple tools. Although one piece of specialized equipment you should invest in is an outboard motor flushing device. You’ll also need some fuel stabilizer and a can of fogging oil.

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Will outboard motor freeze?

A very popular question asked by a concerned boat owner, (mainly outboard motorboats) is Will A Boat Motor Freeze? The simple answer is yes. If the temperature is low enough, it can freeze. Water, oil and other engine related lubrication coupled with freezing temperatures is the main culprit for freezing a boat motor.

Should I store my outboard motor up or down?

Don’t Store the Motor Tilted Up

When you park the boat for the winter keep the motor trimmed or tilted down, especially if it’s outdoors. This will allow all of the water to drain out of the motor’s cooling system.

Do you fog a 4 stroke Mercury outboard?

Fog the Engine

Ideally while the motor is still warm, treat four-stroke and conventional two-stroke engines with fogging oil to prevent corrosion within the engine. … Use a fogging oil product that is specially designed for use during winterization, such as Mercury Storage Seal.

How often should you change oil in a 4 stroke outboard?

Most engine manufacturers recommend that you change your oil every 50-100 hours (check your owner’s manual for your engine’s exact interval requirements).

Do outboards need to be winterized?

If you want your engine to start in the spring and last you many years and plan on not using your engine all winter, you do have to winterize an outboard motor. Winterizing the engine helps to prevent damage during disuse, which is the chief cause for engine failure. Failing to winterize may lead to complications.

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