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Thread: 400ex keihin fcr 39 & 41 mm carb which one to get pros and cons!! HELP

  1. 08-04-2005, 05:52 PM #1
    Quadjunkie007
    Quadjunkie007 is offline Junior Member
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    Question 400ex keihin fcr 39 & 41 mm carb which one to get pros and cons!! HELP

    Like most of us we strive to go faster and faster wiht this in mind it brings me to a problem. After a complet rebuild on my 400 ex IE 440ex port polsh valves the works I'm in need of a carb. The keihin fcr 39mm or 41mm I have been told both these will work but don't know any one who is used the 41mm yet!!! SO some input would be great on this It would be nice to know the pros and cons of each Thanks
    Rip-n-Rob
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  2. 08-04-2005, 06:16 PM #2
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    plkmonster2
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    You won't need the 41. There is probably little to no difference in power. Plus, the 39 is morew common, and thus is cheaper to buy.
    I own a:
    Red 1999 400ex, Some mods, Filter, Skid plate, HMF pipe, etc.

    Hell yeah I'm American! And I pay $3.30 for my gas... How much higher is it going to get???
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