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airbox on= no run

  • Thread starter Thread starter gs850cafe
  • Start date Start date
G

gs850cafe

Guest
ok i have redone the carbs..dipped etc etc sealed airbox...and it wont start...

now if i put foam over the carbs, it will start just fine

bike is 81 850
 
Who messed with the jetting?

You didn't seal the big air intake did you?
 
i sealed the air box like on cliffs site is all i did...it has a foam uni filter in it
 
Try screwing in the idle speed adjustment just a tad... Maybe it needs just a little more to idle than it did with all of the leaks.
If no good, check the numbers on the jets, then check the float levels...

When it won't start, what does it do?

I'm thinking too rich for some reason but maybe that's not it...
Especially if it won't start when it's cold.
 
tkent02 said:
Try screwing in the idle speed adjustment just a tad... Maybe it needs just a little more to idle than it did with all of the leaks.
If no good, check the numbers on the jets, then check the float levels...

When it won't start, what does it do?

I'm thinking too rich for some reason but maybe that's not it...
Especially if it won't start when it's cold.
Click to expand...

float levels r correct...made sure earlier. it just cranks like it has no fuel...sometimes it does it even with the foam covered...but not often..

air screw on back of carbs maybe?
 
Try 2 1/2 or 3 just for kicks...
I think 2 1/2 is the generally accepted starting point.

But that does not make sense, if you sealed leaks it should be pulling in more fuel than it was.
 
Last edited:
tkent02 said:
Try 2 1/2 or 3 just for kicks...
I think 2 1/2 is the generally accepted starting point.

But that does not make sense, if you sealed leaks it should be pulling in more fuel than it was.
Click to expand...

no differnce...ill pull the carbs off again tommorow...wheres the numers on the jets
 
ok heres the jet size...all 4 carbs has exact same markings 115?

0308120919-00.jpg
 
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