I have been using HD syn3 for 8 years and and Mobil 1 in my vehicles since 1981. I just found out that he syn3 is just 60% syn. I read about Mobil versus other producers and how the courts allowed class 3 to be advertised and promoted as full syns. And since the producers will not tell us wether their products are class 3 or 4 PAO, I just want to know which 20/50 v-twin appropriate oil is 100% syn. I appreciate your time & thanks in advance

 

 

Red Line 20W50 Motorcycle Oil. Fully-synthetic ester formula with high level of zinc and phosphorus.

http://www.redlineoil.com/product.aspx?pid=110

 

www.schaefferoil.com

 

OK, now tell us where you found this out...

 

yea I'd like to know that as well.

 

Why even change the crankcase oil if you have full synthetic in it. Synthetic does not wear out, it just gets dirty. Keep up with filter changes and use quality filters, and just top off at filter changes. I know, this is not a jet, but tjats all we ever did on aircraft in the military. They are air cooled and run much hotter than a bike does. Just filter change and top offs.

 

Who revives a year old thread to post this?!

And yes, synthetic will eventually wear out.

 

I was thinking the same thing as I read your post...

 

Schaeffer is para-synthetic which is not full synthetic.