With the tank install and slightly propped up, note ample clearance for the bulkhead fitting and fuel line. 

Fuel line final routing after tank is fully installed.
Note the gentle 'S'-curve as the line exits from underneath the stock tank,
runs underneath the seat and and emerges from the frame just above large white PIAA relay.  

Close-up of the BMW-style fuel quick-disconnect fitting (female end) at the end of fuel line.  

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