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Old 02-04-2013, 10:02 PM   #1
Young-Gun OP
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Question How to identify a Keihin FCR Carby

I have two Keihin FCR carbs that I picked up second hand that I might like to fit to one or two of a couple of project bikes in the next year...

My problem is this; I have no idea what model of FCR carbs they are and have no clue what bikes they came off. I'm told they're each off single cylinder KTM's.

Does anyone have a link to a PDF carby identification guide or something similar?
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Old 02-04-2013, 10:07 PM   #2
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post a photo .. on this thread preferably mate
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Old 02-04-2013, 10:12 PM   #3
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Will do in a few hours when I get home

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post a photo .. on this thread preferably mate
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Old 02-05-2013, 05:25 AM   #4
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jetting specs, carb bore dia and fcr generation would narrow it down if you really want to know what model it came off of.
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Old 02-05-2013, 12:04 PM   #5
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Quote:
Originally Posted by jar944 View Post
jetting specs, carb bore dia and fcr generation would narrow it down if you really want to know what model it came off of.
I'm a novice when it comes to carbs, please could you elaborate how I'd determine these?
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Old 02-05-2013, 03:01 PM   #6
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there are basically 3 different fcr's. down draft, side draft, and mx. you most likely have the fcr-mx if they did come off a ktm 4t. put a pic up and that's about it - what are you trying to identify? which kind of fcr, or bore/etc? it's highly unlikely that you can just slap them on a random bike and they will work very well - prepare to change needle, pilot and main. possibly slide - all this stuff is cheap, except the slide...


EDIT: somehow i was thinking pwk when writing this. i started writing about fcr, and switched midstream to pwk - i.e.e changes.. duh.
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stainlesscycle screwed with this post 02-06-2013 at 03:34 AM
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Old 02-05-2013, 04:22 PM   #7
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First one

Just over 40mm diameter, Code on bottom side : 19SA3 PB08







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Old 02-05-2013, 04:24 PM   #8
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Second One

Diameter also just over 40mm

Code on the side towards the bottom: 3925D ATC22







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Old 02-05-2013, 06:24 PM   #9
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#1 is a first generation 00-02 ktms
#3 is a third generation 07+ ktm
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Old 02-05-2013, 07:26 PM   #10
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Quote:
Originally Posted by jar944 View Post
#1 is a first generation 00-02 ktms
#3 is a third generation 07+ ktm
thanks, I assume you meant #2 and not #3?

Where did you get that information from, do you have a catalogue of different carbys or do you just know off the top of your head?

I was hoping for someone to point me in the direction of some reference material so that I could look them up myself in the future or for anyone else who has a similar question that may find this thread in a search... anyone?
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Old 02-05-2013, 08:47 PM   #11
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Quote:
Originally Posted by Young-gun-640 View Post
thanks, I assume you meant #2 and not #3?

Where did you get that information from, do you have a catalogue of different carbys or do you just know off the top of your head?

I was hoping for someone to point me in the direction of some reference material so that I could look them up myself in the future or for anyone else who has a similar question that may find this thread in a search... anyone?
I just know them off the top of my head
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