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Is Motul 5100 same as Yamalube 10/40.

WJBertrand

WJBertrand

Ventura Highway
Joined
Jun 20, 2015
Messages
4,532
Location
Ventura, CA
Most of the oil pressure switches I’ve seen switch at really low pressure like 3-4 PSI. They won’t activate until the oil pickup starts pulling air. By then the damage is probably done. In the example of a busted sump, a level light will give you a much earlier heads up, as there will be several quarts still left, and system oil pressure has not likely yet been affected, when it illuminates. I’ll take a level light first all day every day.


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Mak10

Mak10

Well-Known Member
Joined
Aug 20, 2018
Messages
2,567
Location
SE Idaho
Talking about 2 stroke oils and 4 stroke oils is apples to oranges. It doesn’t matter how good of an oil your running on a 2 stroke if you are too lean you WILL burn down. The incoming fuel is a big factor on cooling.
 
B

ballisticexchris

Guest
Mak10 said:
Talking about 2 stroke oils and 4 stroke oils is apples to oranges. It doesn’t matter how good of an oil your running on a 2 stroke if you are too lean you WILL burn down. The incoming fuel is a big factor on cooling.
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It is the same exact thing. Oil is oil. If you lose lubricity bad things happen. A water cooled motor regardless if 2T or 4T will burn up sooner with a non ester based oil if there is no water in the jackets.

WJBertrand said:
Most of the oil pressure switches I’ve seen switch at really low pressure like 3-4 PSI. They won’t activate until the oil pickup starts pulling air. By then the damage is probably done. In the example of a busted sump, a level light will give you a much earlier heads up, as there will be several quarts still left, and system oil pressure has not likely yet been affected, when it illuminates. I’ll take a level light first all day every day.


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Click to expand...
Interesting. I had no idea. Good to know.


Sierra1 said:
Welcome from Texas. I see you found one of our oil threads. :D
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It is something to be said that we don't have to chatter about drive shaft failures!!
 
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