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KZ440 Single Carb Conversion 03 Jul 2013 19:01 #594936

  • martin_csr
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I've seen this done with pvc piping too. This is much cleaner.

More fire proof too. :laugh:

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KZ440 Single Carb Conversion 03 Jul 2013 22:32 #594968

  • Hollywoodmx
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Looks great for sure, I like the manifold as well. I think that carb might be a Chinese copy though, but if works and 50 bucks it's fine.
- 82 GPz1100injection
- 77 Kz1075 Supercharged
- 81 Yamaha TR-1
- 81 Yamaha xv920
Calgary

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KZ440 Single Carb Conversion 21 Jul 2013 13:48 #597562

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Barreto,

Thanks for the write up. It's one of the better ones I've seen for a 2-1 manifold. I'm thinking about doing the same thing for my KZ750 & will be using this as a template. Could you provide some dimensions on the manifold? Distance between pipe (where it meets the engine, not sure of correct terms), I would like to compair it to the 750. Thanks again for sharing your info.


Hi guys, sorry i havent checked this thread in a while and I somehow don't get the email notices for replies.

I'll get some dimensions for it today. I had the whole bike powder coated and made a new seat for it out of an old military parachute pack. I'm hoping to get it all put back together in the next week or two.









Hollywooodmx- I purchased it from Powersports Place out of Texas and I'm pretty sure it's authentic. If it is a copy, it would be hard to tell the difference.

www.powersportsplace.com/parts/mku-vm34s...iCwbgCFShxQgodrjIAFg

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KZ440 Single Carb Conversion 12 Aug 2013 13:42 #601025

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Hey baretto, can you give us all the specs from your carb? what kind of slide (2.0, 3.0), needle clip position, how many turns on the idle circuit, etc.? Im having a manifold built by a welder friend next week and using the VM34 too. If you already have it running like a top, your carb data would save me a lot of tuning headache.

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KZ440 Single Carb Conversion 14 Aug 2013 13:43 #601419

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Hey baretto, can you give us all the specs from your carb? what kind of slide (2.0, 3.0), needle clip position, how many turns on the idle circuit, etc.? Im having a manifold built by a welder friend next week and using the VM34 too. If you already have it running like a top, your carb data would save me a lot of tuning headache.


Here is the exact carb I purchased

www.amazon.com/gp/product/B000GV8QAO/ref...00_i00?ie=UTF8&psc=1

and also bought a carb boot to fit

www.amazon.com/gp/product/B000WJC9T4/ref...00_i00?ie=UTF8&psc=1
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KZ440 Single Carb Conversion 14 Aug 2013 13:57 #601420

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For Jetting, I went with a #35 Pilot jet (it came with a 25), and a 170 main. It came with a 260 main but I purchased several jets ranging from 160-200. I knew a 260 would be too big.


This setup is perfect for my elevation (2700ft, dry desert) and baffled exhaust.

I got the bike finished up last night and running again.

I'm hoping to get it up on bike efix, pipeburn and the bikeshed soon.







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KZ440 Single Carb Conversion 14 Aug 2013 14:58 #601427

  • Rainman
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barreto, nice work and great write-up. It's got me to thinkin in regards to a 750 twin project.

Check the relay flag thread "KZR North American Relay Ride North West Leg NOW", it is comming to Boisie real soon. Drop a PM (private message) or a post up in the thread if you are interested in meeting up with the local participants.

Good luck,
Jim
80 KZ750 H1 - the Kaw calf
79 KZ750 Twin - Miss Nov 2008 KZR calander
79 KZ750 Twin parts bike
78 KZ650 C2 Parts Bike
75 KZ400 Wife's old bike sold
81 KZ440 A2 LTD Wife's new bike
84 Honda 450 Rebel Wife's newest bike
Jim
Quincy,IL

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KZ440 Single Carb Conversion 14 Aug 2013 16:26 #601440

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Thanks Rainman! I checked out the thread. There's a vintage bike show at Big Twin this weekend that I'm going to.

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KZ440 Single Carb Conversion 18 Aug 2013 15:38 #602016

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What size tires are you running on this bike?
1979 KZ400 - 2-1 Manifold - Mikuni VM34

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KZ440 Single Carb Conversion 18 Aug 2013 15:51 #602019

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120/18 kenda dual sport front and back

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KZ440 Single Carb Conversion 28 May 2014 04:38 #634263

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awesome bike and thread!! ... looked at quite a few before finding this.
Do you find the vm34 sufficient for the 400?

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KZ440 Single Carb Conversion 28 May 2014 06:18 #634274

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Mine was a 440 and the VM34 was about right. Treitz has a 400 and I believe he has a 32 on his. He'd have to verify that.
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