By 1937, all Harley-Davidson flathead engines have been Geared up with dry-sump oil recirculation methods comparable to the a single released in the "Knucklehead" OHV motor. 2003 VRSCA V-Rod Introduced in 2001 and generated until 2017,[154] the VRSC muscle bike relatives bears little resemblance to Harley's more standard lineup. https://harleydavidson56665.blogdun.com/31769541/not-known-facts-about-harley-davidson