By 1937, all Harley-Davidson flathead engines ended up equipped with dry-sump oil recirculation systems much like the one launched in the "Knucklehead" OHV engine. 6. Harley-Davidson reserves the appropriate to amend the conditions of the Promotion or to withdraw the Promotion at any time if situations further than its https://judahwlyiu.laowaiblog.com/30431110/5-essential-elements-for-harley-davidson