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-   -   Gsxr fuel pump sometimes doesn't prime (https://www.biker.ie/forum/showthread.php?t=248155)

pudzey 12th April 2019 03:23 PM

Gsxr fuel pump sometimes doesn't prime
 
Hello All, Short version, 2003 gsxr1000 will not start sometimes, intermittent fuel pump will not prime. Takes a few minutes fiddling with the ignition to hear the fuel pump priming like it should before she starts up.


What could be the problem any suggestions ?

gixer1100 12th April 2019 03:33 PM

Re: Gsxr fuel pump sometimes doesn't prime
 
[quote=pudzey;3569180]Hello All, Short version, 2003 gsxr1000 will not start sometimes, intermittent fuel pump will not prime. Takes a few minutes fiddling with the ignition to hear the fuel pump priming like it should before she starts up.


What could be the problem any suggestions ?[/quote]

if you have to fiddle with the ignition then I'd start there...
see if you can get a loan of an ignition and go from there.

pudzey 12th April 2019 03:41 PM

Re: Gsxr fuel pump sometimes doesn't prime
 
[quote=gixer1100;3569183]if you have to fiddle with the ignition then I'd start there...
see if you can get a loan of an ignition and go from there.[/quote]

Ya I was thinking this or either the fuel pump relay switch not sure where to start :lbhbh:

VJMC 12th April 2019 04:12 PM

Re: Gsxr fuel pump sometimes doesn't prime
 
Wires from ignition barrel can rot, particularly where they are tied to the frame with a clip, just behind the Radiator (this happened me only a couple of months ago (but thats probably if its a winter hack as mine is). The fuel pump relay switch can give problems, I had to bypass mine and tie it into the kill switch (so if you want it to start priming you have to put the kill switch on (normally I would not use a kill switch but I have to every time I start the bike as such, or I could just leave it on but you cant have the ignition turned on with the bike not running as it keeps priming continuously, but its not a problem for me) good luck with it

DavyH 12th April 2019 06:43 PM

Re: Gsxr fuel pump sometimes doesn't prime
 
Biggest suspect is the wiring block connectors down the sides of fairings. Probably got corrosion on them.

pudzey 12th April 2019 09:46 PM

Re: Gsxr fuel pump sometimes doesn't prime
 
Thanks everyone il give the wiring a check tomorrow , I sprayed wd40 down the keyhole and it hasn't happened since or since I posted this haha


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