Originally Posted By: Silverado12
Originally Posted By: BigCahuna
Originally Posted By: Jarlaxle
IIRC, it calls for a JASO MA-approved 20W-50. Considering that (and the air-cooled H-D's high oil temps), I would run any synthetic 20W-50 MC oil.
If you do not have an oil cooler, get one.
You are mistaken. There is no japanese oil standard that any Harley oil has to meet or excede.,,,
'Cause 'Murica!
?.,,