1999 Aprilia RS50 With KDX200 Swap

Located in Acworth, Georgia is a 1999 Aprilia RS50 with a 200cc motor.  Normally, replacement motors and motor swaps aren’t something we share on RSBFS but I’m all for putting a big–relatively–two stroke in a street bike.  This RS50 is now powered by a Kawasaki KDX200 which gives out around twenty-seven horsepower.  The bike is…