Author Topic: Fuel syphoning back into tank after engine stopped?  (Read 3893 times)

mrgrumps

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Fuel syphoning back into tank after engine stopped?
« on: August 25, 2010, 10:05:18 AM »
Hi, after sorting all my other problems I now only have one thing left. My bike starts and runs ok, the only problem is that once I cut the engine, two minutes later, the fuel syphons back into the tank! This means I have to get fuel back up the line up to the carb again. Does this mean that there may be a fault in the pump diagphragm or somewhere else in the system? Any help gratefully received