Even though the Harley-Davidson Evolution Sportster is no longer in production, it's eons away from going extinct. There are plenty of second-hand Evo Sportsters kicking around, and no shortage of aftermarket parts for them. And as long as the Sporty is still in play, masters like Richard 'Mule' Pollock will be on hand to extract the maximum potential from it. Most of the Sportsters that roll out of the Mule Motorcycles workshop are either bona fide flat track race bikes, or street trackers t...
