Why does my outboard motor smoke when I start it up?

Why does my outboard motor smoke when I start it up?

A common reason is that if you leave the outboard tilted down after running it, there can be oil build up in the cylinders. Which, as the engine sits, it can leak down into the cylinder and then, when you start it up, you will see smoke! Just trim the engine up to about a 45 Degree angle and let it sit for awhile. That should resolve the smoking.

Why does my two stroke engine have blue smoke?

It’s worth noticing that a two-stroke engine will have blue smoke for some time after starting a cold engine. This is perfectly normal and should not be of any concern. This happens due to left-over fuel and oil from the last time the engine run, making it run a bit rich in the beginning. Using the choke will also add to this.

Why does my four stroke motor smoke oil?

A Four Stroke, on the other hand, has an oil pan; where there is an oil pump that pumps the oil up into the powerhead, ( What is an Outboard Powerhead ), which lubricates all of the components without burning the oil and cuts down on the smoke. We’ll talk about the reason’s a Four Stroke smokes, here, in a little bit. Before that, lets figure out

What does it mean when your car engine is smoking?

The oil will then be combusting together with the fuel and air, creating blue-looking smoke. If the engine is burning oil, you should notice a decrease in the oil levels over time, and you may need to top off with new oil from time to time.

A common reason is that if you leave the outboard tilted down after running it, there can be oil build up in the cylinders. Which, as the engine sits, it can leak down into the cylinder and then, when you start it up, you will see smoke! Just trim the engine up to about a 45 Degree angle and let it sit for awhile. That should resolve the smoking.

Why do I have blue smoke coming out of my engine?

Those engines normally emit a blue/gray smoke. But if it’s excessive then you’ve got a burning oil problem, a rich fuel condition like noted above, a bad spark plug or a malfunctioning power valve. Additional issues causing oil to burn on 2-Strokes or 4-Strokes include:

What causes smoke coming out of exhaust pipe on dirt bike?

When cylinders go bad, gaskets leak or really anything internal on your dirt bike or ATV engine that allows for flawed combustion of fuel or any fluid used for the proper function of a 2-stroke or 4-stroke the telltale sign is usually seen coming out of the exhaust pipe.

Where does the smoke come from on a Honda 4 stroke?

On a 4-Stroke (usually Honda) the smoke typically blows out of the crankcase vent rather than the exhaust pipe. When faced with a smoke issue, don’t continue riding. Routine maintenance helps prevent many smoke related issues but old seals or gaskets and certainly a big crash can cause fluid leaks.