length between oil changes

... that foam test result has me thinking ...
When I was running MX4T, I never once that I remember ever pulled the dipstick and found any foam on it. The lab foam tests are pretty strenuous, and in a well designed dry sump system, I don't think it's a huge issue. MX4T is a good oil, and I don't think I'd scratch it off the list on that basis.
When I was running MX4T, I never once that I remember ever pulled the dipstick and found any foam on it. The lab foam tests are pretty strenuous, and in a well designed dry sump system, I don't think it's a huge issue. MX4T is a good oil, and I don't think I'd scratch it off the list on that basis.

What led you to convert over to Amsoil?

Price and availability, along with the API GL-1 grading. I hadn't yet seen the oil report.

Is there another independent motorcycle oil report available on line? This one seems to be done for Amsoil.

The MCF looks like a winner but I just want some additional information before making a switch

Not that I know of. However, the testing was contracted by Amsoil to an independent test lab, and I don't see any reason to doubt the results. Besides, my big issue is shear stability, and no other engine oil that I know of carries API GL-1.

i know everyone talks about changing the oil very oftain but in my 06 450 which i trail ride only, i change the oil and filter about twice a year. running around 150+ miles on an oil change. i think its overkill to change it more oftain. has anyone taken an oil sample and have an analisis done. i bet it will show its fine. by the time the oil damages the engine it'll be time for engine work anyway. just my 2cents worth.

i know everyone talks about changing the oil very oftain but in my 06 450 which i trail ride only, i change the oil and filter about twice a year. running around 150+ miles on an oil change. i think its overkill to change it more oftain. has anyone taken an oil sample and have an analisis done. i bet it will show its fine. by the time the oil damages the engine it'll be time for engine work anyway. just my 2cents worth.

You got to get out and ride more :bonk: (2 oil changes per year, 150 miles per oil change).

has anyone taken an oil sample and have an analisis done. i bet it will show its fine.
Yes, and you're wrong, in many cases. I've seen UOA's on several supposedly reputable oils that measured one or even two grades lower than labeled in as little as 2 hours time on the engine. I also have an '03 that has neither had, nor does it need any engine work.

BTW, I'll be looking for an '06 in a little while. Not interested in yours, thanks.

i know everyone talks about changing the oil very oftain but in my 06 450 which i trail ride only, i change the oil and filter about twice a year. running around 150+ miles on an oil change. i think its overkill to change it more oftain. has anyone taken an oil sample and have an analisis done. i bet it will show its fine. by the time the oil damages the engine it'll be time for engine work anyway. just my 2cents worth.

150 miles....whats that about 12 hours..??....3 rides.....thats about when I change mine..between 10 and 15 hours..

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