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81 GS750L Only will run on starting fluid, but quickly dies afterwards. HELP!

  • Thread starter Thread starter NatiKiD
  • Start date Start date
N

NatiKiD

Guest
Im currently working on a basketcase 81 gs750l that I got off a buddy of mine. This time last year, we had it started, and it ran (it was much warmer outside) I don't know what to do next. I took the spark plugs out and sprayed starting fluid down into the cyclinder, and then hooked up my fuel line to a gas source (currently not running a tank). bike fires right up, runs good for about 5 seconds, and dies. Attempt to start, acts like it wants to start, and nothing.
 
First of all, THROW THE STARTING FLUID AWAY. :eek:

Next, clean your carbs, then report back.

It is quite obvious that the pilot circuits are not open and flowing any gas. This will require a full "strip and dip" cleaning, NOT just dropping the bowls and spritzing some cleaner on what you can see.

If you need some help with that, bring the carbs to me (I am just over half an hour north of you) and I will help you do them.

.
 
Here's the carb cleaning tutorial. :)

http://www.thegsresources.com/gs_carbrebuild.htm

If you want it to run correctly, there are no shortcuts. The bike requires the proper mixture of air and fuel. After you get the carbs clean and rebuilt, it will be time to get the proper airflow.

It's not an overnight procedure to get it running right. With some work and patience, you'll be riding soon. :)
 
Steve said:
First of all, THROW THE STARTING FLUID AWAY. :eek:

Next, clean your carbs, then report back.

It is quite obvious that the pilot circuits are not open and flowing any gas. This will require a full "strip and dip" cleaning, NOT just dropping the bowls and spritzing some cleaner on what you can see.

If you need some help with that, bring the carbs to me (I am just over half an hour north of you) and I will help you do them.

.
Click to expand...

How much? I live in West side Cincy. I'm still new to carbs.
 
NatiKiD said:
How much? I live in West side Cincy. I'm still new to carbs.
Click to expand...
That would depend on whether you want to just drop them off or stick around and learn.

I will PM you my phone number, give me a call this evening.
images


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Steve said:
That would depend on whether you want to just drop them off or stick around and learn.

I will PM you my phone number, give me a call this evening.
images


.
Click to expand...

If you would have the time, I'd perfer to stick around and learn. I'll call you around 8. If thats ok?
 
Hi Mr. NatiKiD,

I don't think I have properly greeted you with my "mega-welcome". It contains a couple of maintenance lists which are mandatory. Go through the lists and address each task using the proper procedures which you will find in the links below. Skipping steps or taking shortcuts will lead to frustration at best, severe death and injury at worse. I'm serious. Really. :)

If you are here you probably have a 30 year old motorcycle that needs about 20 years worth of maintenance. You'll find all kinds of helpful tips, procedures, manuals, diagrams, "how-to" guides, etc, in the links below. Let's get started.

Let me dump a TON of information on you and share some 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!"....
hat1.gif


Here is your very own magical, mystical, mythical, mind-expanding "mega-welcome". Please take notice of the "Top 10 Common Issues", "Top 15 Tips For GS Happiness", the Carb Cleanup Series, and the Stator Papers. All of these tasks must be addressed in order to have a safe, reliable machine. This is what NOT to do: Top 10 Newbie Mistakes. Now let me roll out the welcome mat for you...

carpet.jpg


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
 
Steve said:
8 will be fine for a call, we can arrange when you want to stop by.

.
Click to expand...

*** UPDATE ***

So I spoke with the previous owner. He states the Carbs were cleaned a few years ago. The bike just sat and never was really riden. He also says that when the carbs were being clean, one of the "posts" in the carbs broke. He said it was drilled out and reinstalled, but with JB weld. Should I waste my time on these carbs or buy new ones?
 
Last edited:
"Cleaned" is subject to alot of interpretation,and if bike has sat idle with fuel in carbs for a while, it's time again. Make that call!
 
tom203 said:
"Cleaned" is subject to alot of interpretation,and if bike has sat idle with fuel in carbs for a while, it's time again. Make that call!
Click to expand...

I shouldn't be concerned about this so called JB welded post?
 
no need to worry about the post, unless it's loose and wobbly, but if it's in solid and not moving then no need to worry about it

.
 
Hi,

NatiKiD said:
I shouldn't be concerned about this so called JB welded post?
Click to expand...

When you take the carbs apart for cleaning, have a look and evaluate. I've seen some broken float posts repaired very well.


Thank you for your indulgence,

BassCliff
 
NatiKiD said:
I don't think I have the patience to do that. Hmmmm
Click to expand...

Learn some patience, you need some working on these bikes at times. We have all had our moments with the GS. If ya ride it, gotta know how to fix it.
 
mrbill5491 said:
Learn some patience, you need some working on these bikes at times. We have all had our moments with the GS. If ya ride it, gotta know how to fix it.
Click to expand...

Thanks to a nice gentleman on here named Steve. I'm learning carb cleaning 101 tomorrow.
 
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