TangoMan
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| posted on 10/7/06 at 10:33 PM |
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Needles for R1 carbs
Anyone got a list of the available needles for R1 carbs (Mikuni BDSR40).
I am looking to fine tune the mixture so need to see what variations there are on the standard needle.
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Surrey Dave
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| posted on 10/7/06 at 10:36 PM |
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Look here:
http://www.geocities.com/mraxl/carb/mikunineedle.html
P.S . you are suffering from GIANT avatar syndrome ( GAS)
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TangoMan
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| posted on 10/7/06 at 10:54 PM |
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Thanks Dave.
I have that list but I guess it is out of date. My needles are 6 series but are coded 6DEY5-53.
I may just need to get the digital verniers out and measure at the relevant points to see how it compares with those listed.
I am keen that when I go for a RR session, I have options for the needles knowing that it is rich on part throttle.
I was playing with the avatar but need to upload a smaller picture.
[Edited on 10/7/06 by TangoMan]
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Kissy
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| posted on 11/7/06 at 05:56 AM |
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Have you tried dropping the needle, or changing the needle jet? I know this isn't always possible, but there should be a way to achieve it. A
mate of mine who used to tune race engines made his own needles. Small lathe, plenty of wet & dry & patience!
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TangoMan
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| posted on 14/7/06 at 05:48 PM |
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I wasn't planning to mkae one but was hoping to get a needle which gives a weak mixture so I could freduce it as required to give a correct
mixture at all throttle openings.
I am on the last groove for the circlip but wonder if I could get a new groove turned into the top.
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