fuel tank breathing

bikenav

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May 12, 2008
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Llanelli Wales
hello there my fuel tank is not breathing and negative pressure is building and eventually stopping the engine on occasion, clearly detected on opening the cap, also this seems to have upset the fuel guage now showing zero when full. looking around the net it appears that possibly one of the hoses on the side mounted flange may be a breather, one of the pair that routes down to below the engine with free ends, I wonder if someone could confirm this and even which one or offer any other thoughts? any ideas what may have happened to the fuel guage burst a float or something? thanks all.
 
From memory, on my ‘08, both of these tubes are breathers and overflows. What year is yours?
 


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