Yeah. The bike I'll actually be putting the motor on is purple instead of red with a coil sprung 85mm fork. It's quite a bit stouter and the geometry is a full degree and a half slacker for excellent stability at speed. It's almost strong enough for Dirt Jumping in spite of coming in at around 27 lbs.
I'm sure that with some Schwalbe Big Apples on there carrying my whopping 145 lb. frame it will get up and go pretty well with 50cc. It used to be an absolute downhill demon on the fire roads until the cost of quality full suspension came down.