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Runs but blow gas out the exhaust

  • Thread starter Thread starter jonsgs550l
  • Start date Start date
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jonsgs550l

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Ok I got a 1985 GS550L and soaked the carbs in pinesol mixed with water for 1 day and replaced the o rings and gaskets. Finally got it started but shoots gas out the exhaust and the right side exhaust are not getting hot. I really need help!!!!

Does anyone have any pictures of the carbs and how it should be installed and where the hoses should be connected? Any help would be great.

Thanks All
 
jonsgs550l said:
Ok I got a 1985 GS550L and soaked the carbs in pinesol mixed with water for 1 day and replaced the o rings and gaskets. Finally got it started but shoots gas out the exhaust and the right side exhaust are not getting hot. I really need help!!!!

Does anyone have any pictures of the carbs and how it should be installed and where the hoses should be connected? Any help would be great.

Thanks All
Click to expand...

Is fuel coming out of the exhaust on the same side that its not getting hot? sounds like the fuel isnt combusting... no spark.
 
I tested for spark and do get spark. I'm troubled on what to do and just about to give up. The right side which is the side thats not getting as hot when I take out the sparkplugs its wet and black and the left side is dry but black. I turned the mixtures screws 1 1/2
/2 turn. Is that correct? Also fuel comes out both sides of the exhaust
 
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I agree with the carbs flooding..i wouldnt run it till i got the carbs situated correctly..cleaned, float heights checked, new orings ,etc etc..and the oil and filter changed...oil may have gotten into the crankcase. Also it would seem that if the carbs were overflowing the gas would also come out the overflows at the bottom..since you didnt mention it was i can onlyn assume that they are clogged and thus brings the rest of the carb passage into question as well...at least i would think.
 
Greetings and Salutations!!

Greetings and Salutations!!

Hi Mr. jonsgs550l,

Here are a couple of links with carb help...

Carb Specs:
Float Height/Jetting/Tuning​
Carb Notes:
Synchronizing/Troubleshooting/Theory


Now we'll move on to your "mega-welcome" with plenty of GS lovin'. :D


I just stopped by to welcome you to the forum in my own, special way.
big_hi.gif


If there's anything you'd like to know about the Suzuki GS model bikes, and most others actually, you've come to the right place. There's a lot of knowledge and experience here in the community. Come on in and let me say "HOoooowwwDY!"....:)

Here is your very own magical, mystical, mythical, mind-expanding "mega-welcome". Please take notice of the "Top 10 Common Issues", the Carb Rebuild Series, and the Stator Papers. Now let me roll out the welcome mat for you...

Please click here for your mega-welcome, chock full of tips, suggestions, links to vendors, and other information. Then feel free to visit my little BikeCliff website where I've been collecting the wisdom of this generous community. Don't forget, we like pictures! Not you, your bike! :D

Thanks for joining us. Keep us informed.

Thank you for your indulgence,

BassCliff​
 
Maybe I don't get it, gas is coming out of the exhaust... as in blowing black smoke? Jets too big????
 
Thanks for all the info everyone. No gas is coming out of the overflow at all only out the exhaust when I roll the throttle and blowing out white smoke not black. Guess I'm going to have to take the carbs off again and reclean everything. All the orings has been replaced already but didnt check the float ht, so will do that and valve clearance.
 
jonsgs550l said:
Thanks for all the info everyone. No gas is coming out of the overflow at all only out the exhaust when I roll the throttle and blowing out white smoke not black. Guess I'm going to have to take the carbs off again and reclean everything. All the orings has been replaced already but didnt check the float ht, so will do that and valve clearance.
Click to expand...

I would check valve clearances before proceeding. Be sure and orient the cam shaft end slots properly when doing the valve clearances.

If your carb passages were blocked, no fuel would be flowing. Your problem is too much fuel is flowing. I would check float heights. After that, your vacuum settings are wrong. The problem is the slides are not raising enough, intake velocity is excessive causing too much fuel being drawn into the cylinders for the amount of air. The result is black, fouling plugs and raw gas exiting the exhaust. Put a set of vacuum guages on the carbs and synch them. That may not cure all your problems, but I suspect it will cure about 90% or more of them.

Earl
 
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Took my carbs apart again today and noticed the side thats been blowing out gas through the exhaust is missing a pilot jet. Will that be the reason why its blowing out gas through the exhaust?
 
jonsgs550l said:
Took my carbs apart again today and noticed the side thats been blowing out gas through the exhaust is missing a pilot jet. Will that be the reason why its blowing out gas through the exhaust?
Click to expand...

Are you joking?
 
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uhhhhh...we're all glad to help, but, that's not a GS in your signature......:confused:
 
No I'm not joking about not having a missing pilot jet in one carb. The bike in the picture is my 00 Yamaha Roadstar 1600. Will change it to my GS550L as soon as I get all the problems worked out. Thanks all for you help.:):):):)
 
jonsgs550l said:
... the side thats been blowing out gas through the exhaust is missing a pilot jet. Will that be the reason why its blowing out gas through the exhaust?
Click to expand...

Nessism said:
Are you joking?
Click to expand...

jonsgs550l said:
No I'm not joking about not having a missing pilot jet in one carb.
Click to expand...
Yes, that is a VERY GOOD REASON that you have a little "extra" gas going through the engine. The stock pilot fuel jets are 35. Without the jets to block most of the passage, you probably have the equivalent of about a 300 opening. That would VERY EASILY account for the black and/or wet plugs if you were even able to get it running. Since you were apparently able to get it running, it must have been running on the other carb only.

By the way, what was your incentive to use PineSol to clean the carbs? I don't remember ever seeing that anyone had ever tried it, let alone been successful with it. Most of us (in the USA) use Berryman's Carb Cleaner Dip. It does not cost that much more than the same amount of PineSol, and is known to do the job correctly. :o

.
 
Steve said:
By the way, what was your incentive to use PineSol to clean the carbs? I don't remember ever seeing that anyone had ever tried it, let alone been successful with it. Most of us (in the USA) use Berryman's Carb Cleaner Dip. It does not cost that much more than the same amount of PineSol, and is known to do the job correctly. :o

.
Click to expand...

Actually I've heard alot of good things about pinesol as a carb cleaner, Its hard to find something like berrymans outside of the states, so alternatives must be found! Also, it leaves them smelling nice!
 
Adler said:
..., Its hard to find something like berrymans outside of the states, so alternatives must be found!
Click to expand...
That's why I put that "(in the USA)" qualifier in there.

Don't know if the Yamaha carb cleaner is available where you live, but I hear that's a good alternative.

.
 
Ok finally got the pilot jet in and it runs good now. Forgot to replace intake o rings so just got those ordered and will install them as soon as I get them. next is to sync the carb which I don't know how to do. Any help would be great. Thanks all for the help.
 
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