Re: unburnt oil
The fogging oil I used Was a clear brown. I'll go out and check the lower unit oil now. Sorry, I just worry alot. THANKS FOR YOUR HELP
You should be aware of how a two-stroke is lubricated. In an ideal world as far as the motor is concerned, the oil would go through the motor unburned and come out the same color as it went in (except for the black carbon particles that it picked up in the exhaust housing). It lubricates all the working parts as it passes through the powerhead.
However, such an ideal world for the powerhead no longer is tolerated by environmental interests. So, an attempt is made to burn the oil in the combustion chambers. What does make it through without being burned is most any color, mostly black or emulsified white gunky goo as it mixes with the discharged cooling water.
The most critical area to be lubricated is the area around the exhaust ports, which is also the last place the oil is used before being discharged. If the oil were to be completely burned in the combustion process, the exhaust port area would receive poor lubrication. In fact, if you tear down a motor, you will find the most wear in that area.
All this to say don't be too concerned about oil being discharged. That is a good thing. If you are concerned about the environmental impact, use a bio-degradeable (synthetic) oil. It produces less sheen on the water too.
