AndyGT
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| posted on 3/4/16 at 06:06 PM |
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zx9r carbs...
Hi all
I have the fore mentioned carbs that I am clraning and preparing for installation onto a 1600 xflow with bcf3 cam. I intend to drill outthe main jeets
tp 1
5mm to get things running then check out the emmisions etc. But which jet is the main? The one with the 8mm head? Or the one to the right on the
image? Or another?
Also any general advice on the installation would be great....
Thanks in advance
Andy
[img] [/img]
nothing is impossible
everything is possible
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coozer
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| posted on 3/4/16 at 08:25 PM |
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Looks like its missing to me....
1972 V8 Jago
1980 Z750
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AndyGT
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| posted on 3/4/16 at 08:43 PM |
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coozer, one of the screws on the float chambre housing was rounded a bit, but this is what came out, is it correct?
thanks
 
zx9r float chamber
nothing is impossible
everything is possible
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coozer
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| posted on 3/4/16 at 09:33 PM |
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Just took the cover off mine and here it is..
Main jet is the middle sticking up..
1972 V8 Jago
1980 Z750
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AndyGT
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| posted on 4/4/16 at 05:33 PM |
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Thanks Closer. Your info was spot on. My two middle carbs had jets marked 160 and the two outer ones had no main jets. Going to order some but any
advice on the needle jets. Should i be buying new ones too or should i just get a set of 1.55mm mains and leave the rest alone?
Thanks again...
nothing is impossible
everything is possible
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coozer
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| posted on 4/4/16 at 06:12 PM |
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Main jets are just for the top 1/4, WOT. They will probably need drilling out a bit. Go to 160 first. Luckily the jet sizes relate to drills so a 160
is a 1.6mm drill and so on.
Set the air screws to about 3 turns out and make sure the air corrector jet is blocked.
All I can say is when I put them on my 1.8 it started no problem and even passed sva without doing anything to them. But, I took the car to Biggs
Brothers and Dave there transformed it!
1972 V8 Jago
1980 Z750
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AndyGT
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| posted on 4/4/16 at 07:41 PM |
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Well thanks again.
I just ordered some 155 mainjets as I prefer to be a bit under than over. I will keep you posted in a couple of weeks or so as I will be on hols on
Friday so no car stuff 
nothing is impossible
everything is possible
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