To be honest, Harley-Davidson produces good motorcycles and it successfully outdoes other competitors. If you want to know the reason, you can learn the rocker explicitly.

As we are familiar enough with Honda, we should know Honda Magna which is a rare cruiser motorcycle with a sporty high rev engine from the VFR750 at that time. The Magna is reminiscent of the Japanese cruiser models during the mid-70s so that you should know.