I put an in-line electric pump on the 53. If it sits for several days I turn the key to On the press the momentary switch for 3/4 seconds to fill the bowl. When running, the engine uses the mechanical pump and fuel bypasses the electric. I've heard of some folks plumbing it so that the mechanical has to pull the fuel through the electric but I didn't want to put that strain on the mechanical.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.