...Commando A833 has a low of 3.09, and 4.0mph becomes, wait for it ....... 580rpm, that is doable. Not easy, not cheap, but doable, with up to a 230* HFT cam. Better with a 223* HFT cam.
next; drive-away;
Every time you take off, you gotta slip the clutch, and give her some rpm. The smaller...