It is ok to run Amsoil 20w50 on BMW R ninet (R1200 oil cool) ??
Manual says 15w50 JASO MA2 API SN... I heard that if you put too much viscosity grade oil is will be to thick to goes thru all space between crank and bearing space 1mm that suppose to be filled with engine oil.
Thank you
Manual says 15w50 JASO MA2 API SN... I heard that if you put too much viscosity grade oil is will be to thick to goes thru all space between crank and bearing space 1mm that suppose to be filled with engine oil.
Thank you
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