Question about 1986 Suzuki GSX-R 750 G

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Cleaning the carbs

I'm about to buy one of these and i was told the carbs need cleaned, how do you do that

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1st-take off fairings & tank,seat, take carbs off. drain fuel, & turn over on bench. take bowls off.disassemble jets & floats in each carb, do not mix components from each carb.soak in carb cleaner until clean, & no obstructions in jets. soak bowls also.squirt through carb. air & fuel circuits w/ spray carb. cleaner.when everything is cleaned, reassemble carbs. check carb. float needles for leaks. if all ok ,install carbs on bike.now using remote fuel supply bottle, hook up to carb set.start bike & warm it up,now synchronize carb. set w/ vacuum guage set.reassemble tank,seat, and fairings. note:this really is not a job for the novice w/o competent supervision, a service manual is recommended before beginning.

Posted on Feb 20, 2009

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Mr BrokRench
  • 1623 Answers

SOURCE: backfires, idles ok but no

The best way is to have them boiled or ultrasonic cleaned...If you can't do that, soak them in solvent overnight and use some spray carb cleaner and compressed air to clean out all the passages. I have found that a small steel guitar string works best, for the jets.
Good luck, i hope this helps.

Posted on Aug 10, 2011

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