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Beginning to get frustrated with my 7000+ RPM problem.

  • Thread starter Thread starter Chris Daniel
  • Start date Start date
Here is how I set mine. (link below)

But all the other pictures I can find show to have set at the flat part of the float. Plus the bike ran great with it set on the flat part instead of the round part. I also have to bend the crap out of the little tang to get it set correctly using the round part of the float.

That is why it has me thinking that I should reset it using the flat part of the float, which will raise the fuel level in the bowl conciderably. BTW, the factory specs (according to the lists that were posted on this site) for float height are 22.4mm +/-1.0 (0.88in +/-0.04) with the bowl gasket removed.

See what ya think.

Thanks again.
 
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Hmmm...that pic shows the correct factory adjustment. The top of the float is the top of the round part. The flat part isn't actually the float, just the bracket.
From the factory, the float tab is generally in line/flush with the surrounding float arm/bracket material. If you tried to set the floats by using the flat/arm part of the float, then you'd have to bend the tab quite a bit...to the point you just KNOW something's not right.
But you're saying the opposite. You have to bend the tab a lot when adjusting by the top of the round float body. Doesn't figure and isn't my experience.
If you have to "modify" this procedure, then something's not stock here.
Either the float valve needles/seat assemblies are a different length or the floats are from another model that may use a different design? I don't know.
It appears you have to compensate for this and the bike ran better you say when you made this "non-factory" adjustment.
It could be something else that causing this but I don't know what. I just know that compensation adjustments always expose something else.
The bike appears to be running lean from fuel starvation though.
Try to make/borrow/buy the external fuel level measuring tool and adjust the floats to make the external level within the factory specs. That should settle any fuel level issues.
 
PROBLEM SOLVED.....WOO FRIGGIN HOO.

Keith, you are going to love this :D.

I spent the better part of the afternoon doing plugchops on the bike. Cylinders 1-4 were reading dead rich every time, cylinders 2-3 were slightly on the lean side (they were light grey). I got home and decided, hmm, I will try pulling my EMGO filters off and trying a buddies UNI pod filters, just to see........................

First rattle out of the box it pulled to about 11,000 RPM without even one ounce of hesitation (I wasnt expecting it and didnt shift fast enough). After making sure everything was OK I ran it again and it would pull to redline in every gear without even a hint of problem. Went out on the highway and made a full throttle run up to about 110MPH and she ran like it was brand new. Cruised it around at all different speeds, with a few short blasts to redline, ran like a bat out of hell. I wasnt able to do any real plug chops, but after all that riding I came home, pulled the plugs, and they are all equal and a bit on the rich side, so I still have some adjustments to do, but it will be a ton easier now.

So, I am going to go to the bike shop and get some UNI cleaner and oil and revamp these UNI's and run them untill I can afford some K&N's. I am also going to resync my carbs with the clean UNI's because I know the EMGO's have my sync all out of whack. My buddy got a new bike and left his old one over at my house.....so the filters are going to be his "storage fee" LOL.

This whole friggin time it was those stupid EMGO pods giving me hell. I couldnt believe it, I have spent months on end pulling my hair out trying to figure this problem out and the whole time it was the filters.

I want to thank everyone for their help on this problem, especially Keith for the very in depth and detailed jetting/carb info. Plus Duane for my new shiny clean coils :D.

Keith, I am now a believer when it comes to quality filters. I need to quit being such a tightwad LOL.

Thanks again, I really appreciate the help.

P.S. I reset the floats before I did the plugchops using the flat part instead of the round part, that is the way they were set when I got the bike.....so I will leave them like that and see how it goes. Unless you think I really should readjust them back?
 
I'm glad the bike is running better!:)
A word of caution though. You made two changes (float levels and different filters) before re-testing. So it's hard to say for sure what the fix is.
I can see where two dirty or somehow clogged filters could make two cylinders run rich, BUT, I can't see why the other two cylinders would run lean because of the same filters. Sure, you could have two cylinders running lean and not be the fault of the filters, but you say all four replacement filters yielded somewhat rich reads after they were installed, suggesting the cheaper pods were NOT to blame for the previous lean reads at those two cylinders. If the two lean cylinders became somewhat rich just from a filter swap, that would suggest the Uni filters are more restrictive. I'm not sure why all this is, but it's conflicting.
What makes more sense is that your adjusted float levels are allowing more fuel to enter and that's helped. I'd have to say it's the float adjustment that fixed things, but again, you deliberately adjusted them differently than the factory manual states and the way I've always adjusted them (with no problems). Good results from that way of adjusting the floats doesn't make sense.
Don't get me wrong, I'm glad your bike is running better but when things don't add up or make sense, I have to wonder.
Let us know if you need help later on.
 
Well, actually, I changed the float height that morning. I went and did roughly 10 plugchops with no noticable difference from before (problem wise).

It was only when I changed the filters that the bike ran like it was supposed too. That is why I do not think the floats had anything to do with it, because it still had the problem with the floats set different from the factory.

It really doesnt make a ton of sense......but it worked LOL.

Thanks again.
 
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