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Noob with a 03 R6 and a problem
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GP Racer
 
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Noob with a 03 R6 and a problem - June 29, 2009, 05:01 PM

So I just got the bike last week. Took my MSF this past weekend and started really riding on sunday. I took it out again today, and it seems to slightly be studdering and not picking up quickly. There is almost like a hesitation before 4k rpm's and then once it hits there it jumps to life. The person I bought the bike from said it has been sitting alot for the past year so he thinks the plugs would need to be changed. If thats the case how easy/difficult is that to do? Also if anyone in the area would be willing to help me it would be greatly appreciated.

I also called a shop and they said that most likely it is the injectors being dirty, and that it would be a 160-240$ fix. Any other alternatives to that?

Thanks for the help
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June 29, 2009, 05:24 PM

Ya, it probably wouldn't hurt to clean the injectors if it's been sitting for awhile. Definitly worth it, 03s are fun.


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June 29, 2009, 05:31 PM

Any way to do that my self?
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June 29, 2009, 05:32 PM

I would try some seafoam in the tank before having a shop clean the injectors.

It doesn't make sense for a 2003 to suffer under 4k and be fine at 4k and after for some dirty injectors. You need even more fuel at high rpms. Also, I don't believe secondary injectors started until 2006, and those don't fire until 6k rpms.

Does it have the same hesitation in every gear at about the same rpm point? What about different levels of throttle position?


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June 29, 2009, 05:41 PM

I dont notice it as much the higher gear im in. I really notice it in 1st and 2nd it hesitates and then all of a sudden i will just slightly twist the wrist and it will just jump and go like crazy.

Edit- Ill try the seafoam. Do I just toss it in the tank and let it idle for a bit? Also should I try and change the plugs?
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June 29, 2009, 05:44 PM

Try the seafoam and see if you can find out whether the coil packs were changed. The 03's have an issue and I believe Yamaha covered the coil pack replacement.
If the seafoam does not work you can do the plugs as well. You could do it yourself if you are mechanically inclined.


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June 29, 2009, 05:45 PM

Quote:
Originally Posted by SSLow3 View Post
I dont notice it as much the higher gear im in. I really notice it in 1st and 2nd it hesitates and then all of a sudden i will just slightly twist the wrist and it will just jump and go like crazy.

Edit- Ill try the seafoam. Do I just toss it in the tank and let it idle for a bit? Also should I try and change the plugs?
Read the bottle on seafoam, don't dump it all in there, that would be too much, but yes it's just an additive.

It never hurts to change plugs.

Try 2nd gear runs with different throttle positions, and see if the hesitation is rpm dependant or throttle position dependant.

It very well may be a fuel or spark related missfire, but it could be some other things too in my mind, one of which is the Throttle Position Sensor.

Give this a read and if it sounds like something you can do, do it and see what the results are.


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I'm not saying this site has a bunch of gay dudes on it but a few of you definitely lack a bumpstop on the sexuality gate.
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Say Jur Oh
 
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June 29, 2009, 05:47 PM

Quote:
Originally Posted by deviousR6 View Post
Try the seafoam and see if you can find out whether the coil packs were changed. The 03's have an issue and I believe Yamaha covered the coil pack replacement.
If the seafoam does not work you can do the plugs as well. You could do it yourself if you are mechanically inclined.

Good call. Again, if you're mechanically inclined, see if you have the Denso coils (bad) or the Mitsubishi coils (good).


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I'm not saying this site has a bunch of gay dudes on it but a few of you definitely lack a bumpstop on the sexuality gate.
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September 11th 2009
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June 29, 2009, 05:48 PM

See I am mechanically inclined. Been working on cars, but all of my tools and everything is in chicago at the parents place. I just moved here at the beginning of the month.
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June 29, 2009, 05:51 PM

If you're an early riser you're free to come by my place and turn some wrenches here until noon pretty much any week day. I'm in Herndon.


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June 29, 2009, 05:52 PM

Quote:
Originally Posted by SSLow3 View Post
I dont notice it as much the higher gear im in. I really notice it in 1st and 2nd it hesitates and then all of a sudden i will just slightly twist the wrist and it will just jump and go like crazy.

Edit- Ill try the seafoam. Do I just toss it in the tank and let it idle for a bit? Also should I try and change the plugs?
we also got the same year, and the same problem, so we went out to loudoun motosport, its a recall on the 03 coils only, so call them up and schedule it. We dropping ours off on the 7-7, and they promise we get it back the same day all for no cost, but i would suggest you get some sparkplugs for them to change it out while they are there. throw them couple dollars.


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June 29, 2009, 06:42 PM

if you are still struggling I take Giordano's Pizza as payment for working on r6's


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June 30, 2009, 05:13 PM

if i were going home anytime soon I would bring some back but i dont have plans for that yet. I got some seafoam last night im gonna try that out here in the next few minutes so hopefully it will clean it out a bit.
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Got Any Gwapes?
 
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June 30, 2009, 05:23 PM

Call the dealership and give them your VIN#, they can tell you whether the coil recall has been done. There's also another recall on the front sprocket, unless you've upgraded and no need to change.


FYI...Seafoam does nothing. It's alcohol, naptha and mineral spirits. Makes you feel better, cleans nothing. Buy a 6-pack of cold beer, it'll make you feel even better.


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June 30, 2009, 07:02 PM

Use bg 44k. That will clean the injectors right up.
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