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dynojet needle dimensions

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    dynojet needle dimensions

    Hey guys. I'm trying to help my friend out that has a gs400. He has pods and and aftermarket exhaust and it doens't run well in the midrange. Dynojet doesn't make a kit for his bike so I'm going to make him a needle to try and fix it but I'd like a starting point. Could someone give me the dimensions for the dynojet needle for either the 850 or the 750?

    #2
    the DJ needles are specific for each carb, fitted to a particular bike. Even if you could replicate a DJ needle, you wont get it right for that particular bike/carb as you dont have a correct one to copy.
    1978 GS1085.

    Just remember, an opinion without 3.14 is just an onion!

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      #3
      Originally posted by Agemax View Post
      the DJ needles are specific for each carb, fitted to a particular bike. Even if you could replicate a DJ needle, you wont get it right for that particular bike/carb as you dont have a correct one to copy.
      I understand that. Nonetheless, the 400 and 850 use the same carbs and were the 400 to be bored out to a 425 it would have the same displacement per clyinder as the 850. I know it won't be perfect but like I said, it's a starting point to jump off of to make a custom one.

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        #4
        different emulsion tubes=different needle length/shape.

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