TOPIC:

JR wrote:

the jet needle size is N10A and in the manual (for all models including spectre) it says the needles are supposed to be N01A! i did a bit of research online and it seems that others on this forum with a kz750 H4 have N01A needles too so the Haynes manual must be correct on this. i was beginning to think it must of been a typo and they maybe got the 0 and 1 round the wrong way?! lol.

To date I have only found one typo in the Haynes manual (valve clearance) but needle marks may be the second. If I google "Keihin N10A needle" I get lots of stuff on the Spectre so it would look like the N10A is found in Spectre carbs.

I found this post from a few years ago where wiredgeorge (carb guru) responded with some info you might find usefull
69.46.28.106/forum/3-carburetor/147734-k...l=component&type=raw
Although his advice is regarding jetting for pods I would think your bike should run as it is . A puzzle indeed
The previous owner probably got Spectre carbs and played around with jetting without getting it right. If you feel you have the jets to match the needle then I would suggest taking the carbs apart yet again and going through them slowly and thoroughly - did you check the the washer spring and o rings under the air mix screws ?

Until a few months ago kawasaki.com had the best parts database ever and included the ability to cross reference parts and model Sadly they changed it to the pathetic POS it currently is . This one from a company in Holland is not bad www.cmsnl.com/

If all else fails regarding carbs and current jets then you might want to look at a Dynojet Stage 1 jet kit which appears to include adjustable needles
www.dynojet.com/jetkits/motorcycle/kawasaki.aspx

Good luck

Great thanks for that I'll have a good read of that post should be well useful, and the parts guide too.
I was thinking that myself about the dynojet kit, I've found another kit from the US that is cheaper than the dynos but has all the needles and jets in so may give that a go if replacing the needles doesn't help. I'm hoping I'm on the right track now with this so hopefully just a case of getting em all back to stock or tweaking it a bit but as you say it is a puzzle.
I did check the air/fuel mix screw springs and washers and they all seem fine. The pilot plugs do t seem that snug however so I think I will replace the o rings in those also.

This is one of the jet kits I saw, not sure if these are as good as the dynojet kits though:

pages.ebay.com/link/?nav=item.view&id=231324399017&alt=web

Mate i would work with the standard parts for now. I didnt think much of the Dynajet stage 2 kit i had in the Zephyr. Made Fuck all Real difference other than you have more adjustment with needles and it had a slightly crisper throttle response.You have to drill slide lift hole in vacumn slide larger also.
Zeph.

That Sigma kit claims to do a lot of stuff.Cheap though.
Maybe someone here has used one.

Cheers Yea I dont much fancy drilling holes in anything in my carbs tbh so I think I'll give them a miss then and just stick with the keihin jets. The only reason I thought of then was a quick n easy way to make adjustments but I think just getting it all back to stock and then going from there is the way to go.

I would reckon they would all have a similar installation procedure being Keihin CV's with drilling bigger slide lift hole size. Best to check on that one. Adjustments would be the same if you go kit or standard. Only diff is you can adjust needle position but if everything is cool with your basic carb setup standard needles should be fine.

The pilot plugs do t seem that snug however so I think I will replace the o rings in those also.

Could be the problem or part of the problem. I had a problem with pilot plugs last summer and I used rubber or neoprene type pilot plugs from a goldwing I think ..... maybe a suzuki.. on a temporary basis. They worked fine for a week until they fell out at which point the bike totally refused to start I bought 3 different sizes of Keihin O rings and best fit ones were to big on the outer diameter but I filed them down with an emory board or nail file until they fit and they worked just fine.

KK where are these pilot plugs ? Got any pics.
Been looking at diagrams and not sure what you mean.
Do your air mix screws go in top of carb bodies ?

Good Fortune!

awesome thanks, think ill give that a go with the o-rings and emery boards.

I see - you have a rubber plug and oring on top of pilot jet.
None on the CV 32's.
Are all of your small parts the correct ones and
How did the Diaphragm repair go .

Zepryrrider
The pilot jet on the CV34 gets it's feed from under one of the other jets (the primary main I think but not totally sure) via a little internal channel. No cap then to much feed/gas and poor or no running

JR is correct. The pilot jet is fed through a passage that starts in the shaft of the main jet and it goes to the shaft of the pilot jet. Make sure that this passage is clean as it feeds gas to the pilot jet. Make sure you put the caps back on the pilot jet shaft, so that it is closed, if the caps go on loose, replace the O rings, they should go on snug so that gas does not go in.