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28mm Carbs on a z900 A4

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Jumbo
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28mm Carbs on a z900 A4

#1 PostAuthor: Jumbo » Thu Apr 17, 2014 7:47 pm

Has anyone swapped the carbs on a A4 to the 28mm carbs from the earlier models. If so what size jets were used. With an airbox fitted .
LE to JOG on a z900

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Richard Q
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#2 PostAuthor: Richard Q » Thu Apr 17, 2014 9:12 pm

My A4 has been fitted with 28mm carbs from a Z1R, but I have been told that it is correctly jetted, sorry to say, nothing more than that.
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paulmceleney
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#3 PostAuthor: paulmceleney » Fri Apr 18, 2014 5:29 pm

I have but used 150 jets with pod filters which were to big but ran very well I would start with 125 main jets I have 33 smoothbores on my z1000 using 127.5 and it runs very well if it pops and bangs you first start its running weak may stop when the engine warms up take it for a ride any flat spots go bigger check your plugs look at the colour on my bike it ran well on 120 122 125 and I was happy with 127.5 plugs are now perfect colour 11 pound for 4 on ebay
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