Roger

...good questions ..Joe ...where are you [:-]...think he might be the best guy to ask here ( ...i nearly said.....best source of information...source= soucy....gedit...No..?...O.K. ...no more crappy jokes..sorry.)

Only thing i thought straight off about the fueling valve is ...it wouldnt restrict flow of fuel anywhere ...is the 1.60FX a bit prone to fuel flow restrictions...