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Old 11-02-2011, 02:11 PM   #1
SPiN
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04 GSXR 600 Fuel Problem? Help please!


So I have a 2004 GSXR 600. Bike runs goods and driving normally seems like its flawless.

PROBLEM:
Throughout to RPM range, the bike will move just fine UNTIL around 8K, the fuel seems to cut off and the bike wants to bog out, not slow down, just wont increase anymore.

Same problem if you give it WOT from any speed or gear.

Please let me know what you guys think, secondary injectors? I would like to get this fixed before Lone Star Rally this weekend, thanks

-SPiN
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Old 11-02-2011, 02:15 PM   #2
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#1 question: Is there a PC hooked up?

There are no secondary injectors on that bike
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Old 11-02-2011, 02:17 PM   #3
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Secondary Servo motor....zip tie it open for a temp fix....will idle a little high, but manageable. FI light on?

http://www.maxpowermotorcycles.com.a...-motor-repair/
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Old 11-02-2011, 02:24 PM   #4
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no PC, just exhaust on it. No FI lights or codees

I was thinking about running a cleaner or seafoam through the injectors and see if that would help. thoughts?
bike has 9K miles

Last edited by SPiN; 11-02-2011 at 02:27 PM.
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Old 11-02-2011, 02:37 PM   #5
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Wouldn't hurt. Doesnt sound like the problem since it always happens at 8k. Sounds like its related to throttle position
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Old 11-02-2011, 02:42 PM   #6
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Quote:
Originally Posted by bluewave18 View Post
Wouldn't hurt. Doesnt sound like the problem since it always happens at 8k. Sounds like its related to throttle position
Secondary servo motor is directly related to the throttle position....not sure why you're not getting FI lights though....do you hear a buzz like sound coming from right below the gas tank on the fuel rail?
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Old 11-02-2011, 02:59 PM   #7
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Check the kickstand switch, could be clogged filters, air/fuel?, tps? several things could cause this, do what U can then take it to P1
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Old 11-02-2011, 03:26 PM   #8
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replacing fuel filter and plugs now, as well as running a cleaner through it. Will keep updated.

anyone happen to know the OEM size for the filters? 5/16ths? or 1/4?
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Old 11-03-2011, 01:48 AM   #9
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UPDATE:
So we got the fuel pump and filter out, thing was NASTY. dark brown and completely clogged up. Installed the new filter and threw it all back together. Rode the bike around the neighborhood just to make sure everything worked fine and pulled up into the driveway only to have the bike die on me. Pump took its last breath and sucked the last bit from the last filter into itself, mechanic says pump is trashed.

Will put the new one on and see how everything goes.

....sigh
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Old 11-03-2011, 07:23 AM   #10
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Remove the filter and try back flushing the pump to remove any sediment.
Male sure you also clean the sock.
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Old 11-03-2011, 09:45 PM   #11
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GOOD NEWS:
New pump in, bike starts, idles flawlessly, and no more problems in the RPMS, she hits redline and back just fine like out the showroom floor.

BAD NEWS:
I now have my red light and an FI Code popping up. Any help/suggestions?

Last edited by SPiN; 11-03-2011 at 09:49 PM.
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Old 11-03-2011, 10:17 PM   #12
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Double check all of your connections by the airbox, you probably left soemthing unplugged.
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Old 11-04-2011, 12:24 AM   #13
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Everything looks like it's plugged in.
Patrick- anyway i can run it up by you to double look over it? I'm literally a mile or two from MotoUnlimited
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Old 11-04-2011, 06:23 AM   #14
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Sure.
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Old 11-04-2011, 11:08 AM   #15
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gimme a call or txt.
713.538.4134
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Old 11-04-2011, 11:29 AM   #16
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Quote:
Originally Posted by SPiN View Post
gimme a call or txt.
713.538.4134
you should try calling him....lol
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Old 11-04-2011, 11:52 PM   #17
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Thanks Patrick for the Help
Code: C13

but still we double checked and nothing is unplugged or disconnected :/
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Old 11-05-2011, 09:41 AM   #18
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See number 21? That's your IAP.
There should be a vacuum line going to it.
Make sure both ends of the line are attached and the line isn't crimped or damaged.
Also make sure the vacuum line is NOT hooked up to 17. While it has what looks like a nipple is should just be open to the atmosphere.
If all of that looks good then you may have a bad sensor.
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