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Showing results for tags 'return rail'.
Hi All. I've been given a set of Gsxr K5 throttle bodies to see if they can be made to fit my zetec engine. From what I can see so far, the spacing is 76 - 80 - 76 between the bodies but this isn't a problem as I am going to fabricate my own manifold. The thing I'm concerned about is the fuel rail doesn't have a return on it. The (very knowledgeable) chap I got them off said that modern bikes don't tend to use a return as it makes the fuel hotter and improves the emissions. Would this set up work on a Zetec? Or would I need to change the fuel rail for one with a return (if this is even p