Most of the time it's from using the wrong oil and the sprag clutch doesn't operate. Did you put in Delo400LE 15w40?
When doing the Seafoam oil treatment, 'running an hour' as in idling? It takes riding the bike for 200-300 miles to get the oil and gunk real hot to clean out the gunk in the crankcase and then change the oil and filter while the oil is still hot to drain out the gunk while it's still suspended in the oil.
When doing the Seafoam oil treatment, 'running an hour' as in idling? It takes riding the bike for 200-300 miles to get the oil and gunk real hot to clean out the gunk in the crankcase and then change the oil and filter while the oil is still hot to drain out the gunk while it's still suspended in the oil.