GSXR 1216 - which FCR carbs? - Suzuki GSX-R Motorcycle Forums Gixxer.com
 
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post #1 of 4 (permalink) Old 10-15-2018, 01:30 PM Thread Starter
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GSXR 1216 - which FCR carbs?

Hi, I would like to upgrade my GSXR 1100 - 1991 (bored to 1216ccm) with FCR carbs. Which one will fit - bore etc.? Which jetting would you recommend for this setup with stock carbe?Thank You for your advices

YOSH BOY

For example

http://https://www.ebay.co.uk/itm/KE...bab6%7Ciid%3A1

https://www.ebay.co.uk/itm/Suzuki-GS...bab6%7Ciid%3A1
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post #2 of 4 (permalink) Old 10-15-2018, 01:39 PM
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Re: GSXR 1216 - which FCR carbs?

On my 1216 w head/cams I tried Mikuni RS 40's as well as FCR 39's&41's. Bike had a true 4-into-1 Vance&Hines SS pipe,the 41's made the most power up top followed by the RS40's. If you don't have a ported head/cams then go with the smaller size carbs. Can't tell ya about jetting as it's been 20yrs since I sold that bike.

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post #3 of 4 (permalink) Old 10-15-2018, 01:46 PM
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Re: GSXR 1216 - which FCR carbs?

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Originally Posted by oldgixxer View Post
On my 1216 w head/cams I tried Mikuni RS 40's as well as FCR 39's&41's. Bike had a true 4-into-1 Vance&Hines SS pipe,the 41's made the most power up top followed by the RS40's. If you don't have a ported head/cams then go with the smaller size carbs. Can't tell ya about jetting as it's been 20yrs since I sold that bike.

The experts will be along soon enough to offer their opinions
what carb boots did you go with, late model 750? weld-on spigots? I know the boots are a limiting factor for carb size
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post #4 of 4 (permalink) Old 10-15-2018, 03:08 PM
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Re: GSXR 1216 - which FCR carbs?

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Originally Posted by Gixxerider86 View Post
what carb boots did you go with, late model 750? weld-on spigots? I know the boots are a limiting factor for carb size
They were OEM boots,but not sure which year they were from. I remember it was a complete pain in the ass manhandling the carbs back onto the intake boots;I'd have to lay on top of the frame and using both hands,wiggle and pry up/down/side to side to get 'em back on. Took about 5mins of all-out cursing and yelling before they went on
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