By 1937, all Harley-Davidson flathead engines were equipped with dry-sump oil recirculation methods comparable to the a single launched in the "Knucklehead" OHV engine. six. Harley-Davidson reserves the ideal to amend the conditions of the Promotion or to withdraw the Promotion at any time if situations over and above https://harleydavidson11100.designertoblog.com/62635776/facts-about-harley-davidson-revealed