CBR 600F3 1995 - 1998 CBR 600F3 Forum

fuel pump blowing ignition fuse

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Old May 10, 2012 | 02:27 PM
  #1  
Jordan Fonte's Avatar
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Exclamation fuel pump blowing ignition fuse

hi guy this is my first topic so hope it goes well.

so this is my problem, i turn the ignition key on and hit start, the engine turns well and as soon as i take my finger off the start button the ignition fuse blowes. when i pass a tube from the gas tank to the carbs and disconnect the fuel pump, i do the same and the engine works fine.

so i was thinking it could be the fuel pumps, so i took the cap off and conected it directy to the battery, the pump works but it makes a big spark when the contacts touch. i also can see that the contacts arent in good condition. so what could be the problem? as the contacts are bad it needs more amps to work and as so it blows the fuse?

some help here please !!!
 
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Old May 10, 2012 | 03:09 PM
  #2  
tbow's Avatar
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From: Richland, WA
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Originally Posted by Jordan Fonte
hi guy this is my first topic so hope it goes well.

so this is my problem, i turn the ignition key on and hit start, the engine turns well and as soon as i take my finger off the start button the ignition fuse blowes. when i pass a tube from the gas tank to the carbs and disconnect the fuel pump, i do the same and the engine works fine.

so i was thinking it could be the fuel pumps, so i took the cap off and conected it directy to the battery, the pump works but it makes a big spark when the contacts touch. i also can see that the contacts arent in good condition. so what could be the problem? as the contacts are bad it needs more amps to work and as so it blows the fuse?

some help here please !!!
you can replace the contacts on the pump for about $35 and see if that fixes your problem

see this guide
 
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Old May 10, 2012 | 04:08 PM
  #3  
74demon's Avatar
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From: socal 949/951
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bad fuel pump contacts seem to be a fairly common issue. as stated, the contacts can be replaced easily.
 
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Old May 10, 2012 | 04:16 PM
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Jordan Fonte's Avatar
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ok im going to try this, just wanted to know if this happend to anybody
 
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