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1982 gs650 gt carb question

  • Thread starter Thread starter mc guy 66
  • Start date Start date
M

mc guy 66

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i got a 1982 gs 650 gt that had been sitting outside awhile.i got it all cleaned up changed oil ,put new plugs.cleaned carbs and tank .when i tried to start it it started rite up .i got it to idle and it runs fine.the only problem is if you open it up once it hits about 4000 rpm it runs rough like its not getting enough fuel.you can ride it around and it runs great till you really try and open it up some then around 4000 rpm it runs rough and bogs down but it keeps running and dont die or any thing.could this be a carb adjustment problem or do they need to be rebuilt with a kit?the bike has 49500 miles on it and has a 155 psi per cylinder.if anyone has any ideals i like to know.thank you
 
Greetings and Salutations!!

Greetings and Salutations!!

Hi Mr. mac guy 66,

A happy GS starts with properly cleaned carbs. You'll find the procedure in the links below. Get an O-ring kit from http://cycleorings.com, a can of Berryman's carb dip, and you're good to go. The carbs must be completely disassembled and dipped for 24 hours each. Then reassembled with the new O-ring kit. Details below.

Let me dump a TON if 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 Rebuild Series, and the Stator Papers. All of these tasks must be addressed in order to have a safe, reliable machine. Now let me roll out the welcome mat for you...

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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
 
mc guy 66 said:
i got a 1982 gs 650 gt that had been sitting outside awhile.i got it all cleaned up changed oil ,put new plugs.cleaned carbs and tank .when i tried to start it it started rite up .i got it to idle and it runs fine.the only problem is if you open it up once it hits about 4000 rpm it runs rough like its not getting enough fuel.you can ride it around and it runs great till you really try and open it up some then around 4000 rpm it runs rough and bogs down but it keeps running and dont die or any thing.could this be a carb adjustment problem or do they need to be rebuilt with a kit?the bike has 49500 miles on it and has a 155 psi per cylinder.if anyone has any ideals i like to know.thank you
Click to expand...
It's crying out for carb cleaning- be thankful it started! Now follow Basscliff's advice (NO SHORTCUTS) and you and the bike will be happy. That psi sounds great for 49k. Valve police will be along sooner or later.

Put the model / year of bike in your signature- and your location.
 
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