I followed the Kitfox manual and routed the fuel line inside #1 rib from a 90 at the Tank (actually it was a Banjo fitting but same idea) and made a relief cut at the rear of the #1 rib. The hose then passes through a slot at the rear of the butt rib and down to the header. This gives the hose a gentle curve. Not sure if adding another 90 is a great idea.....

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