20-02-12, 08:56 PM
Feck that...; buy new jets .. only a couple of quid...
http://www.wemoto.com/bikes/Yamaha/FZS_1...zer/01-03/
Go down the page to "Fuel" section... then "Carbrettor main jet" choose your size and away you go..
You will have to ask someone more knowledgeable than me for the main jet size of Fazer 600 though...