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Old 10-20-2008, 07:19 PM   #1
ericcarney
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The SRAD from

New day, new problem. I got the bike running a couple months ago and it rolled like a champ, a little hesitation at take off but then it was hard to keep the front end down once it got rollin. Then I was on my way home one day and it just died at a stop light. I got it started again but only after I turned the key off and on a few times. Made it home and then it died again, and it wouldn't start again after that. I noticed that the fuel pump was not kicking on when I turned the key, so I checked the stop switch. Not the stop switch, got a fuel pump from a buddy, slapped that sucker in. Not the fuel pump, changed the fuel pump relay and the fuel pump started kicking on when I turned the key. But sure enough, the bike wont start. I smelled the tailpipe after a few attempts at starting it and could not smell any gas. So I pulled off the air box and held the throttle wide open and tried to start it while looking down the intake and not one drop of fuel was coming out. So I figured that the fuel injectors were all clogged up since the pressure in the rail was good. So I switched the fuel rail off my running SRAD with the one off the not-running bike and my running SRAD fired right up. So not the fuel injectors either, then just to be safe I swapped the computers and my running SRAD fired up with the other computer. Is there anything else between the injectors and the computer that could be fouled up? I am dead set on fixing this myself, it is now my mission. Please help.
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Old 10-20-2008, 07:28 PM   #2
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to start a suzuki(get the pump to prime):

kick stand switch

start/stop switch

neutral switch

a faulty tilt switch could cause problems too...

u need a wiring diagram. Gimme a second...
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Old 10-20-2008, 07:29 PM   #3
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I had the same trouble, My friend at JK performance fixed it for almost nothing. You will have to call him, suzuki has some sort of voltage reading, if its not reading the correct voltage it does not allow the fuel pump to turn on. Its a $2 part, lol
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Old 10-20-2008, 07:35 PM   #4
ericcarney
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That would be sweet, if a $2 part fixed my problem, I would dance a jig.
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Old 10-20-2008, 07:35 PM   #5
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Hey Matt

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Old 10-20-2008, 07:43 PM   #6
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What up...

Ya, I cant find a diagram; go figure...

sounds like u got this one.... let us know if it fixes it and the details...
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Old 10-20-2008, 08:09 PM   #7
ericcarney
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Sweet, thanks for the info, I will call him tomorrow.
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Old 10-21-2008, 08:37 AM   #8
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let us know how it turns our phucker!!!
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Old 10-21-2008, 03:27 PM   #9
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I think i have a wiring diagram for a 97/98 gsxr600, shoot me a pm if you want me to look for it.
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Old 10-23-2008, 09:30 AM   #10
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Also check the clutch switch and the tip over switch if you haven't yet. The ECM has a pump prime feature in it(and actually runs the pump). Sometimes the pump driver burns out of the ecms. If you could swap the ecm, it would be worth at least trying.

One thing you can do just for testing is, run a hot wire directly to the fuel pump, then run a ground wire from the fuel pump to the battery. Turn the key on and start the bike. If it starts and runs ok, then you know the pump, ecm, fuel injectors etc are all good. Then that narrows the problem to the fuel pump circuit, relay or ECM(pump driver circuit only). If it doesn't run, then you can start to determine if its the pump or one of the other components.

Remember this is just for temporary testing.
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