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took carbs off now bike won't start!

  • Thread starter Thread starter Ryan
  • Start date Start date
R

Ryan

Guest
So this weekend i got a little bored, and though my bike ('81 Gs1100) has been running great recently i got the urge to do some tinkering, so i took my carbs off and sprayed them with some carb cleaner, mostly to clean up all the gunk off the throttle. the problem is i put them back on and now my bike won't start! i didn't take any thing apart i left all of them together, at first i thought they just needed to fill up with gas but now i am starting to worry! any thoughts?
 
First let me say that your subject title gave me a laugh. Secondly, is your bike fully choked with the throttle completely closed while trying to start?
 
Did you put the carbs back on the bike before you tried to start it???

Hahahahaha...


Seriously though, it's possible that you may have done some damage to some of the rubber bits by spraying the carb cleaner. Did you spray a bunch of it??

Are you sure you put all the cables back on correctly?

Let this be a lesson to you: If it ain't broke, don't fix it.
 
i have tried starting it with the choke all the way out, and with it closed while giving it gas. i am quite certain that everything was put back on correctly. i did use a good bit of cleaner. what rubber bits are you referring to?
 
Just a random thought - check you didn't confuse the carb's vacuum line port with the fuel inlet port??
 
Verify fuel is flowing to the carbs - are the fuel & vacuum lines going to/from the petcock correctly?? Mixed up with the 2 carb vent lines ??

With the petcock on PRI, fuel should gravity flow to the carbs. Does it start when the petcock is on PRI? Just don't leave it in that position, as sometimes fuel will leak past the float valves & get into the crankcase.

If it ran before & all of a sudden it won't, I tend to think something simple has been overlooked - double check all the hose connections & verify everything is properly connected...

Good luck,

Mike
 
if my bike was running great theres no way i would of tinkered with the carbs lol
 
+1 on the vent lines

+1 on the vent lines

Did you remember to connect the vacuum hose to the petcock?

I just did a rebuild on my carbs and during adjustments choked the thing out. Played with the adjustments for ten minutes trying to get it to restart before I thought, hmmmm maybe it's outta gas... It was!
 
I have had my carbs on and off a dozen or so times, so it should be no big deal. Did you flip them upside down?

I don't know if this can happen, but maybe the floats stuck in funny position.

Do what Robert suggested and open a drain screw to make sure gas is flowing into them.

Rick
 
ny_redneck04 said:
if my bike was running great theres no way i would of tinkered with the carbs lol
Click to expand...


That's what I'm saying...if it's running "great," then there is absolutely no way in Hades that I'm going to start messing with carbs...
 
Well it was running great but my throttle was so gritty and sticky i thought it wouldn't hurt to give it a good cleaning, i believe my problem was that i did not prime the carbs after putting them back on, though i went to give it a start last night and found that my battery was dead from trying to start it all weekend, so i got it on the charger and plan on firing it up tonight when i'm off work.

thanks for all the help.
 
If your throttle is sticky it's more than likely the throttle itself. The cable.

Tearing apart the carbs more than likely won't make any difference regarding the problem that you're having.
 
Gimpdiggity said:
If your throttle is sticky it's more than likely the throttle itself. The cable.

Tearing apart the carbs more than likely won't make any difference regarding the problem that you're having.
Click to expand...

right, i didn't tear them apart, just took them off, so that i could get at the assembly to clean off all the gunk
 
Ryan said:
Well it was running great but my throttle was so gritty and sticky i thought it wouldn't hurt to give it a good cleaning, i believe my problem was that i did not prime the carbs after putting them back on, though i went to give it a start last night and found that my battery was dead from trying to start it all weekend, so i got it on the charger and plan on firing it up tonight when i'm off work.

thanks for all the help.
Click to expand...

Well, I hope your problem is as you say... if not, we'll be here. Report back your results.

Not sure how you are planning to prime the carbs but what I do when the bowls are empty is put the petcock on prime (PRI) and wait several minutes. Fuel should be gravity feeding to the carbs while the petcock is on PRI. Full choke (no throttle) and it should start.

Remember to put the petcock back to ON.

verify the tank has fuel (you'd be surprised how many times I thought there was plenty of fuel in my tank & there wasn't)

Spark plugs wires connected. (Duhhh...)

Petcock works. Have you ever replaced the petcock??

Godd Luck,

Mike
 
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