There is a pipe that comes off the fuel regulator next to the metering head, does it:
A) require a vacume(sp)
B) does the vacume come from the standard airbox (however i dont have a standard airbox ive got a airfilter so where does the pipe connect to)
C) should i take a vacume from the inlet

or none of the above

hep required urgently on this one!!!

cheers