Originally Posted by George 99
The XR only made it about 40 miles on a full tank, had to front him a gallon and a half to finish the ride.
ST stands for Super Tanker as well as Safari Tank. She's heavy when full but lots of gas can come in handy.
say what?? somebody needs a MAJOR carb adjust
when the 640 is full its a bit heavy but the longer you ride the lighter (and faster) it gets