By 1937, all Harley-Davidson flathead engines had been Outfitted with dry-sump oil recirculation devices comparable to the one introduced inside the "Knucklehead" OHV motor. six. Harley-Davidson reserves the appropriate to amend the terms of the Marketing or to withdraw the Promotion at any time if situations beyond its Regulate https://kirku717bls1.wikicarrier.com/user