Performance Issue
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467 Posts
sounds like when i run with the choke pulled on the quads....
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3,276 Posts
^ sounds good so I'll go with it.
You could probably check real quick by lifting your tank while the bikes running, cover your intake hole with one hand and try wringing the throttle with the other, if it does'nt bog you need larger jets.
If thats not it and your exhaust smells like gas you need to drop down to smaller jets.
And when you did this did you remember to reposition your needles as per the instructions that came with the jet kit?
You could probably check real quick by lifting your tank while the bikes running, cover your intake hole with one hand and try wringing the throttle with the other, if it does'nt bog you need larger jets.
If thats not it and your exhaust smells like gas you need to drop down to smaller jets.
And when you did this did you remember to reposition your needles as per the instructions that came with the jet kit?
i didnt install the jet kit the previous owner did. since i owned to bike i have not cleaned or aligned the carbs(dont know how and dont want to break things). i had it out two days ago and it ran fine no problems. going to try the hand over the air filter tomarrow.
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828 Posts
this sounds to me like all of that is new. but now your saying that the jet kit was in by previous owner. did you put in a new air filter and then have this trouble? if so, its definitely wrong jet sizes.
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1,445 Posts
If you put your hand totally over the opening and it seals it'll die. I think he meant just cover part of the hole or don't let your hand seal the opening air tight. Maybe try masking half the opening w/ tape?
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2,041 Posts
I think people are confused. It sounds like this problem just came up, not immediately after you changed something. Perhaps you had some debris in your fuel tank that is now causing your in tank fuel filter to be obstructed. Also, does it bog when revving the bike in neutral?
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828 Posts
what!?!? so, it didnt work when you put in a new air filter, but it rode just fine.......i give up, good luck to you.
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15 Posts
Are you using gas that has up to 10% Ethanol? If so, it sounds like its time to flush the entire engine. Two of my friends, one with a 600RR and the other with an R1 just had the same problem. Took the bikes to two different mechanics and both said the same this. All the fuel lines, carburetors, and filters needs to be cleaned and flushed. Ethanol begins breaking down immediately as soon as it comes into contact with O2.
from what i've read, you have some type of fuel restriction. could be a piece of debris is clogging the fuel tank filter, could be a jet in the carb clogged. the deal with the ethanol is that older bikes have a thin coating of varnish in the tanks and old fuel lines that have built up over the years and the ethanol is actually "cleaning" this coating off and clogging fuel systems, it's also most likely NOT 10%. fuel changes hands at least 3 times before you get it at the pump and all of the handlers can add up to 10% ethanol but only the end seller is by law required to report how much they put in. it could be as much as 30%...
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2,041 Posts
Carb sync is pretty easy to do on your own. You can follow this write up here: http://www.bluepoof.com/motorcycles/howto/svs_carb_sync/
Also, here are some pics I took with some more details including how to make your own manometer(carb sync tool.)
http://picasaweb.google.com/No.vonD/CarbSyncPics#
In the end its your money and your bike so do what you feel most comfortable with
Also, here are some pics I took with some more details including how to make your own manometer(carb sync tool.)
http://picasaweb.google.com/No.vonD/CarbSyncPics#
In the end its your money and your bike so do what you feel most comfortable with
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