2006 Gsxr 600 Fuel Leak/Power Loss At WOT - GSXR.com
 
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post #1 of 7 (permalink) Old 04-15-2019, 04:21 PM Thread Starter
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2006 Gsxr 600 Fuel Leak/Power Loss At WOT

Hey guys, "new" member here! (Thought I already had an account) I currently ride a 2006 GSXR 600 with 27,000 miles on it. I know, that's A LOT! Bought it from a local dealership about 1,000 miles ago. I have two main problems that I'd like to discuss before I dive bomb into the bike and tear it apart. Here I go...
1. Noticed a fuel leak this morning as I was getting ready to go to work. Rolled the bike down my driveway, let it warm up and went to go gear up. Came out 1-2 minutes later and noticed a puddle of gas and gas running down the side of my bike. It seemed to stop once the bike had warmed up a little, and I can't seem to duplicate the problem. I also hadn't been on the bike in a good 36 hours. I've got the next two days off work, so I'll let it sit and start it up the night before to see if it will leak again. Posting a video of it leaking and a picture of what I THINK the culprit was, but again, I can't be sure as I can't get it to leak again.
2. I've suspected the bike is lacking power all throughout the rev range and in every gear. I've owned a 2003 Gsxr 600 and a 2006 Zx6-r, both had substantially more power than this bike. I also noticed today that when I'm at WOT, the bike seems to lag a little before it starts to accelerate.

No kinked fuel lines. I've had that issue before, and it feels different. I also make sure to triple check the lines when lowering the tank. The gas tank has quite a bit of rust inside of it. I took the fuel pump out a couple weeks ago, and that too was dirty, so I'm already planning on soaking white vinegar inside the tank to clean it out, and I'll buy a new pump and fuel filter. Should I also inspect the injectors? I have no FI codes, and my TPS is set in the middle. Apologies for the long post, but I figure the more info the better. Thanks in advance. (Can't post videos?)
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post #2 of 7 (permalink) Old 04-15-2019, 05:53 PM
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Welcome.

The sporadic fuel leak is unusual. How full is the tank?

If the tank is totally full, it might just be overflow. You mentioned rust in the tank. There have been a few instances where the steel tank vent drain tube inside the tank gets a rust hole in it and begins leaking when the tank is filled to some point.

There are actually two fuel filters in your bike. The low pressure "tea bag" filter that you probably saw on the bottom that was dirty and you cleaned that. There is a high pressure filter in the plastic housing next to the fuel pump. It is expensive to replace and most get away with gently back flushing it with fuel till it runs clean. It is pleated paper so be gentle. Do this first before you replace the fuel pump as the pumps are pretty robust.

On other thing to check on the power side is that the EXCA or SET (exhaust) valve is opening all the way or if it's disabled, that the valve is full open.

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post #3 of 7 (permalink) Old 04-15-2019, 08:43 PM
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Following to help get ideas with my problem.

My ‘06 750 I recently bought was having issues with the STVA? On the throttle bodies. I had a FI code and that’s what lead me to replace it. It was running fine, but would randomly cut power once I got to 8k rpm. Now with the new STVA(?) replaced my bike has no FI codes and runs fine EXCEPT when you want to go above 6k rpms in any gear. So I put a new fuel pump in and the problem is still there...
I posted in another thread asking for a service manual if someone has one to email.
So not to hijack this post, but follow to see if what fixes your bike might also be an issue with mine?
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post #4 of 7 (permalink) Old 04-16-2019, 05:26 AM
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Quote:
Originally Posted by Joe Kearns View Post
Following to help get ideas with my problem.

My Ď06 750 I recently bought was having issues with the STVA? On the throttle bodies. I had a FI code and thatís what lead me to replace it. It was running fine, but would randomly cut power once I got to 8k rpm. Now with the new STVA(?) replaced my bike has no FI codes and runs fine EXCEPT when you want to go above 6k rpms in any gear. So I put a new fuel pump in and the problem is still there...
I posted in another thread asking for a service manual if someone has one to email.
So not to hijack this post, but follow to see if what fixes your bike might also be an issue with mine?
You keep tagging onto other old threads. If you have a comment fine. If you have a question about your bike, start a thread specifically about YOUR problem and be responsive to comments.

Quote:
Originally Posted by Chuckster View Post
If you think reading is tricky, how the hell are you going to follow troubleshooting directions?
"Riding well is difficult, riding poorly is easy and painful."
- Nick Ienatsch


"We're all here because we're not all there" - Guy Favron on Gold Rush

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post #5 of 7 (permalink) Old 04-16-2019, 08:58 AM Thread Starter
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Thank you rv6john. I'm not sure what teabag filter you're referring to. The one inside the fuel pump? How do I go about back washing the other filter? Also, my bike does have a PCIII plugged into it (bought like that) with a stock exhaust. Not sure what moron did this, so I reset the fuel controls to all be in the middle, which I believe doesn't change anything. Should I completely unplug the PC?
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post #6 of 7 (permalink) Old 04-16-2019, 09:30 AM Thread Starter
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Sorry, forgot to mention the fuel level. The tank was about half filled when it was leaking. The leak only lasted about 20 seconds before it stopped. Just checked the bike this morning. Unbolted the tank and seat so I could catch it if it leaked, but no leak.
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post #7 of 7 (permalink) Old 04-19-2019, 06:03 AM
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Quote:
Originally Posted by TigWrex View Post
Sorry, forgot to mention the fuel level. The tank was about half filled when it was leaking. The leak only lasted about 20 seconds before it stopped. Just checked the bike this morning. Unbolted the tank and seat so I could catch it if it leaked, but no leak.
Was the bike sitting straight when it leaked or did you have it on a driveway? You said there was a "puddle" how big of a puddle are we talking? a gallon of gas? Just enough to dip a finger tip?
The angle the bike was sitting could play a role in the leak.

When you started the bike at the dealer, do you recall the orientation of the bike at the time? Flat/incline/on bike stands? Recall any fuel smells?

If you can't duplicate the problem by just starting it, I'd try putting the bike on different angles/on a rear bike stand and get it back to 1/2 a tank (or more) while running it to see if it reappears that way (so long as it sits upright and doesn't tilt over), that could help you find the culprit.
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