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TOPIC: 83 KZ750 Twin airbox and tubes please!

83 KZ750 Twin airbox and tubes please! 21 Apr 2019 07:08 #802527

  • sharkmonkey
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Hello! I'm looking for an airbox with rubber tubes for a 1983 KZ750 Twin. The previous owner cut out the old box and I would like to replace it back to original.

Thank you!
1983 Kawasaki KZ750 KZ1 LTD (belt)
1980 Honda CM400T

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83 KZ750 Twin airbox and tubes please! 21 Apr 2019 07:30 #802529

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OR, just the rubber tubes because I found a good air box on eBay.

1983 Kawasaki KZ750 KZ1 LTD (belt)
1980 Honda CM400T

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83 KZ750 Twin airbox and tubes please! 23 Apr 2019 10:26 #802694

  • jayrodoh
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Good luck, took me a over a year to find one NOS duct and I am still looking for another. The air filter itself is hard to find too, every now and then I see an NOS one on eBay or K&N still makes one.

I did buy some silicone hose off eBay that worked for temporary ducts, I'l look that up in a minute for you. Either way I'd buy the box when you see one as it's not super common either. Make sure the cap is intact and the seal is on the cap still.
1982 KZ750-M1 CSR

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83 KZ750 Twin airbox and tubes please! 23 Apr 2019 11:56 #802701

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Here is what I used (although does not show available in black currently, the size is correct)



These can be cut down and will fit snugly in the airbox and fits over the carb and secures with a hose clamp. These obviously do not have a "bell" end therefore may not function like the originals in terms of a velocity stack but I did not notice any issues.
1982 KZ750-M1 CSR

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83 KZ750 Twin airbox and tubes please! 23 Apr 2019 19:36 #802722

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ok thank you
1983 Kawasaki KZ750 KZ1 LTD (belt)
1980 Honda CM400T

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83 KZ750 Twin airbox and tubes please! 14 May 2019 10:58 #803866

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jayrodoh wrote: Here is what I used (although does not show available in black currently, the size is correct)



These can be cut down and will fit snugly in the airbox and fits over the carb and secures with a hose clamp.



Are you sure on the size? I bought the 1.75-2" and it does not fit around the carb. It fits great in the air box but I can't stretch it around the carb side.
1983 Kawasaki KZ750 KZ1 LTD (belt)
1980 Honda CM400T

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83 KZ750 Twin airbox and tubes please! 15 May 2019 05:46 #803897

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I just went and looked at my eBay history and that was the size. How far off is it? My carbs are with WG at the moment so I can't go check but they worked on mine.
1982 KZ750-M1 CSR

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83 KZ750 Twin airbox and tubes please! 16 May 2019 21:21 #804006

  • sharkmonkey
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The outer diameter of the tubes almost match up with the outer diameter of the carbs. I figured something out with adding some other rubber pieces and duct tape. :)
1983 Kawasaki KZ750 KZ1 LTD (belt)
1980 Honda CM400T

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