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Years ago HD motor co prior to releasing there own synthetic oil, did exhaustive research on the problem of bearing skid in roller bearing engines. Essentially the issue was that being as ball and roller bearing require contact with their respective races to roll, synthetic oil was thought to...

I posted a question on my 82 heritage left cylinder cutting out when low on fuel, I followed the recommendation that I check the fuel screens in my petcock (I found them clear of rust.). Today I had the same problem and as a fuel stop was some distance away I noted that the left side completely...

Ive been lurking on this site for years however Im baffled by a fuel delivery issue. My 82 hearitage runs just fine until the fuel level gets very low then the left cylinder cuts in and out. Opening the throttle will improve this situation but only until let off. If I stop and fill up things...