well i finally got around to putting the carbs back on the bike today after i had them off for cleaning and i rejetted the carbs put then back on turned the fuel on and number 1 started leaking all over the place so i turn the peatcock to the on postion and pulled the drain plug on the bottom of the carb that took care of the flodding issue i did the whole pre setting of the carbs with the bread wraper so i thought cool now it should run great boy was i wrong it didnt want to start so i check everthing. everthing was good all connections were clean and tight so i took my plugs out had to clean them and it grumbled to life i thought yahoo finally i can start riding it know WRONG i something wrong with it. it will start and idle then without warning the idle will start to increase grandgully at first the all of a sudden it jumps up to about 6000 rpm amd stays there wont come down check throttle cable no binding carb rest against stop spent all day trying to figure what i did wrong cant figure it out everthing is right were it is suppose to be got so dang mad at it i had to walk away before idi something to it like take a hammer or throw a wrench or something like that .only thimg i can think off is maybe a diaprahm has a hole in it but then i said to myself no because i took a close look at themwith a strong light under them and didnt see anything i have checked and triple check all my settings and everthing is good im so frustradted right now that iam thinking about selling it I just dont know what to do i have no way to haul it anywhere to maybe have a felllow xser look at it with me they say to brauns are better than one. thanks for lwtting me vent fill better will take another look tomarrow have to be at work tomarrow at 4:30pm if anybody can think of anything please either pm or you can call me at work my number is 817-573-2666 thanks
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mrutah1,
You're very close.
It's common for the carbs to do that after a cleaning. The bread tie sync only gets you close enough to run. Now all you need is a real sync with carb sticks. What's happening is one or more of the carb butterflies is open a bit more than it should be and it's pulling the idle up.
Don't chase your tail trying to sync without guages, you'll ge even more frustrated. Either find someone close that has 'em or get yourself a set. You'll be using them at least once a season anyway.
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Sounds like a vacuum leak. Could be boots, could be seals.
I saw one of your pictures that showed a large washer under the main jet. I don't think that will work out. Get that out of there and get the correct size. Make certain all the drillings are out from your repair. It does not take much to hose these carbs up. Clean them and clean them some more. When you are done, do it again.
Also, it sounds like the the PO was a real hammerhead. I wonder if he had soaked them in evil rubber eating cleaner. You may consider looking for another rack-o-carbs if all else fails.
It took me several attempts to get my carbs right. After you start it, more crap shakes loose and fouls things up. At some point it will raise up and run for you.
Don't give up. There are some fun roads down by you, not too far from Fort Worth.
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I agree..
Randy is right, you need to synch the carbs. The bench synch with bread ties is not even close. Spend the $50 for a merc synch tool from Motion-Pro as they are the best kind IMHO.You can't stay young forever, but you can be immature for the rest of your life...
'78E "Pathfinder" Show bike...
Lovingly restored by Dave Delzell
Drilled airbox
Tkat fork brace
Hardly mufflers
late model carbs
Newer style fuses
Oil pressure guage
Custom security system
Stainless braid brake lines
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OK the most accurate bench sync is done by eye, a bread tie or similar is waaay too thick - it'll leave the butterfly opened too wide. Also, when the bread tie's removed, the butterfly is likely to shift again anyway.
Pic with the arrow shows where you want the butterfly positioned, 1/2 to 2/3rds covering that front fuel hole. Run a vac/merc gauge later, you'll find the sync is very close to perfect, and your idle will be ticking over at just the right revs.
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PGGG... Good point and that's how I bench synch mine... but that's got to be the thickest &%$# bread tie I have ever seen!
TodTry your hardest to be the kind of person your dog thinks you are.
You can live to be 100, as long as you give up everything that would make you want to live to be 100!
Current bikes:
'06 Suzuki DR650
*'82 XJ1100 with the 1179 kit. "Mad Maxim"
'82 XJ1100 Completely stock fixer-upper
'82 XJ1100 Bagger fixer-upper
'82 XJ1100 Motor/frame and lots of boxes of parts
'82 XJ1100 Parts bike
'81 XS1100 Special
'81 YZ250
'80 XS850 Special
'80 XR100
*Crashed/Totalled, still own
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