CV Carbs

Need to replace my carbs on a 440 Ltd 1983, CV 32's, instead of bringing an old ebay set back to life, are there any brand new oem specs or replacement carbs that you recommend?

Thank you,
- Zach J

I've read where some people use VM 30's. I think refurbishing your old carbs would be easier path though. What's wrong with them?

Long story short, I had a cracked jet housing. The part the jet threads into, I put JB weld on it, with the intention of eventually changing them once I figure out why the bike wont rev past 4000, see other threads.

But I just found out the Jets in the 440 are to the west germany spec, instead of the US spec in the manual.
1. How can I confirm the bike is not from West Germany?
2. There is a US labelled jet sizing, and jet sizing that is unlabelled. Which do I go with?

To change the jets I am going to need to break that JBweld seal, hence my need for new carb.

No eBay APP ID and/or Cert ID defined in Kunena configurationHow do you know the jets are the west german spec? From the numbers on them?
I would consider getting a good used set of carburetors, then rebuilding them & install new diaphragms from JBM Industries.
Or you could get a new carb body off of EB. Here's one that looks pretty good, but I have no idea if it's correct for your 440.
A set of new carburetors I saw are over $300, plus you'd have to do some fettling, hence the suggestions.


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West German spec jetting should be fine. Hopefully you have the full complement of jets.

That carb martin posted seems like a good find. Just make sure it's the same type as you need.

Just an FYI. From the 80-82 KZ440 factory service manual, the west german models had CV32 carburetors & the others had CV36; and the west german jetting seems to be richer. US models typically had lean jetting because of EPA regs.

The KZ400.com site has the manual plus a number of carburetor service bulletins in regards to the 440D models.
Warning: the forums there may harm your computer, but the tech pages seems to be fine.

All jetting is accounted for, even the plugs. The diaphragms are also both new frmo a month ago, because I found them both to be ripped.

So I am keeping the german jetting.

Can confirm it was german spec by the numbers stamped on the jets.