Carburator spacing different on 36mm carbs - Suzuki GSX-R Motorcycle Forums Gixxer.com

 
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post #1 of 6 (permalink) Old 04-11-2019, 09:12 PM Thread Starter
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Carburator spacing different on 36mm carbs

I have a 1990 gsxr 750 with 36mm carbs. I ordered new carbs online. When I got them in the spacing on outer carbs was bigger on new ones. Can I get different boots and make them work? What would the wider carbs be off of? They have 117.5 main jets.
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post #2 of 6 (permalink) Old 04-11-2019, 10:04 PM
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Re: Carburator spacing different on 36mm carbs

what did you order and where from?
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post #3 of 6 (permalink) Old 04-12-2019, 05:12 PM Thread Starter
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On eBay. It said (suzuki gsxr carb flatside bst36ss 36mm. I contacted him. He said 1100 boots might work. If so what year?
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post #4 of 6 (permalink) Old 04-13-2019, 08:27 AM
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Re: Carburator spacing different on 36mm carbs

Well, his description is probably wrong. BST36 carbs are not flatslides, for instance.

The carb spacing for a GSX-R is 77mm, 93mm, 77mm. Measure the spacing on yours and see what you have.

JR
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post #5 of 6 (permalink) Old 04-13-2019, 02:37 PM
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Re: Carburator spacing different on 36mm carbs

may he sold you 1100 W carbs...
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post #6 of 6 (permalink) Old 05-03-2019, 11:22 PM Thread Starter
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Ok I got the carbs to fit. With different boots. Ran like bad had 117.5 main jets put 122 in ran better still seams lean. Got 125 jets today better but still not right.
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