Fuel Pump won't prime - 600RR.net
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post #1 of 9 (permalink) Old 06-28-2009, 04:14 AM Thread Starter
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Fuel Pump won't prime

I've searched all over this site tonight. My fuel pump won't prime on my 2003 RR. I was riding the other day and the bike just died. All my fuses are good. I can jump the black and black/white connections on the engine stop relay and it will start up. I've swapped the relays between the stop and fan relays and it will still not start.

Any ideas?
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post #2 of 9 (permalink) Old 06-28-2009, 03:45 PM
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I've got the same problem on my 07. Took the fairings off to paint them, put them back on and now I can't get a prime. I switched the fan and stop relays with no success. I read another thread where the culprit was a bad ground connection, but the rest of my electrical systems seem 100% strong, so I doubt it. Regardless after I search a bit more I'll try checking that ground.

Good luck with yours, first one to get running wins a cool ride in this beautiful weather!
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post #3 of 9 (permalink) Old 06-28-2009, 04:20 PM
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Quote:
Originally Posted by Pyrobot View Post
I've got the same problem on my 07. Took the fairings off to paint them, put them back on and now I can't get a prime. I switched the fan and stop relays with no success. I read another thread where the culprit was a bad ground connection, but the rest of my electrical systems seem 100% strong, so I doubt it. Regardless after I search a bit more I'll try checking that ground.

Good luck with yours, first one to get running wins a cool ride in this beautiful weather!
Make sure the Bank Angle Sensor (Tip Sensor) is put on correctly. I took the upper off my 03 and accidentally put the sensor on upside down, and same problem, gets power but fuel pump will not prime. On mine its bolted on to the back of the headlight assembly.

On the Road to Ra$hes.....
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post #4 of 9 (permalink) Old 06-28-2009, 05:05 PM
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I took it off and connected the two outside wires to make damn sure it isn't the BAS. I swapped the fuel pump relay off another 07 600RR to double check with no success. However, I noticed that with no relay in the other bike, it still made a little noise when I turn the key. There is absolutely no noise when I turn the key on the problem bike. I suspected the starter switch, but took it apart and forced a connection with no success. Any ideas?
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post #5 of 9 (permalink) Old 06-28-2009, 05:19 PM Thread Starter
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Yeah. mine was running on Thursday. I bypassed the BAS just to be sure. No pump priming. It only primes when I jump the two wires on the engine stop relay.
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post #6 of 9 (permalink) Old 06-28-2009, 06:25 PM Thread Starter
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Alright I got it fixed. The wire leading from the battery to the FI fuse had become corrupted and loose. I hooked up a new wire and it started up just fine.

Last edited by rochambo; 06-28-2009 at 06:33 PM.
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post #7 of 9 (permalink) Old 06-28-2009, 06:30 PM
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How'd you get the pump to prime?
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post #8 of 9 (permalink) Old 06-28-2009, 06:34 PM Thread Starter
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Originally Posted by Pyrobot View Post
How'd you get the pump to prime?

See edited post #6 for the solution.
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post #9 of 9 (permalink) Old 06-28-2009, 06:40 PM
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Good work. I assumed mine were good after a brief visual inspection, but as soon as I get my hands on a new multimeter (because some prick stole mine!) I'll give them a thorough check.
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