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502 EFI intermittently chokes and sputters, drops rpms at cruise speed, stalls

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502 EFI intermittently chokes and sputters, drops rpms at cruise speed, stalls

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Old 08-29-2013, 11:01 AM
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*************UPDATE*****************
Found my problem, the high pressure fuel pump inside the vst tank is going bad. I went for a run yesterday( and had on board the o ring kits for the tank). It happened again and I swapped the pumps and sure enough it went to the otherside! So the high pressure fuel pump is going bad, ordering new one!!!
zschaefer38 is offline  
Old 08-29-2013, 11:05 AM
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Any luck in finding a cross over part number for a cheaper source? I've heard that it's the same as a Yamaha outboard pump. Makes sense, the VST pump is a Keihin and Yamaha loves Keihin products.
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