Do 4 stroke outboards need to be winterized?

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. … To serve as our example, we used a Yamaha F150 four-cylinder outboard.

How do you winterize a 4 stroke outboard motor?

Winterizing Your Outboard Motor

  1. Drain the crankcase oil (Four-stroke motors)
  2. Install a new oil filter (Four-stroke motors)
  3. Filling the crankcase with new oil (Four-stroke motors)
  4. Changing the lower unit gear oil.
  5. Stabilizing the fuel.
  6. Flushing the outboard with antifreeze.
  7. Fogging the cylinders.

Do you need to fog a 4 stroke outboard?

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.

Do you have to winterize a 4 stroke Yamaha outboard motor?

Many Yamaha outboard motor owners live in climates where they are taken out of service for the winter months, which means winterizing their outboards is a must. … It ensures safe boating in the spring, and also helps to keep your outboard(s) performing well.

What happens if you dont winterize boat?

If You Don’t Winterize Your Boat, Here’s What Happens: Water freezes and expands and can damage anything it’s trapped inside. Water may seep into unprotected spaces to do this. Acidic and corrosive wastes, salt and corrosion buildup can damage delicate parts in engines. Fuels break down or grow dirty.

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Do outboards need Antifreeze?

You do not need to run antifreeze through an outboard, period. They’re designed to drain completely in the tilted-down position, and do not need an ounce of antifreeze.

Can I leave my outboard in the water in the winter?

A boat can be left in the water during the winter or year-round if you take necessary precautions to tackle the challenges of a boat being in the waters for long periods. However, you need to keep in mind that there is always a risk correlated with storing the boat in the water than dry storing.

Should you leave your 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.

Is it necessary to winterize boat?

Boats kept ashore must be winterized, and it must be done earlier than if they were in the water because dropping temperatures will affect them sooner. Wherever you end up keeping your boat, if you do not plan to use it for a month or more, you need to winterize it.