'77 - '80 KZ1000 Airbox silencer tubes - Page 2 - KZRider Forum - KZRider, KZ, Z1 & Z Motorcycle Enthusiast's Forum

'77 - '80 KZ1000 Airbox silencer tubes 07 Feb 2021 19:00 #843162

DOHC Offline Sustaining Member Those Doe-Hawks really go! Posts: 1236 Thank you received: 503	Kaylinator wrote: That might be a better plan if you wouldn't mind. Give me a few days. I'll give it a shot. I'm happy to post the dimensions here too. '78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces My dad's '74 Z1 '00 ZRX1100 The following user(s) said Thank You: Mikaw, 2strokerider, Kaylinator
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'77 - '80 KZ1000 Airbox silencer tubes 08 Feb 2021 06:37 #843164

2strokerider Offline User Posts: 30 Thank you received: 3	stl too? thanks!
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'77 - '80 KZ1000 Airbox silencer tubes 11 Feb 2021 13:41 #843337

DOHC Offline Sustaining Member Those Doe-Hawks really go! Posts: 1236 Thank you received: 503	I have not forgotten about this project. But I'll be honest... The parts are in a friend's garage, and It's been snowing a fair amount here in Pittsburgh. The fact that I don't need to leave my house makes going out seem very unappealing. '78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces My dad's '74 Z1 '00 ZRX1100
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'77 - '80 KZ1000 Airbox silencer tubes 11 Feb 2021 15:35 #843346

Kaylinator Topic Author Offline Sustaining Member Posts: 342 Thank you received: 74	Haha! I feel you on that one. Winter finally hit here. Working from home in my sweatpants all day long. Think about maybe putting on pants and leaving the house until I look out the window. 1978 KZ1000-A2 kzrider.com/forum/11-projects/613296-1978-kz1000-a2-barn-find 1978 KZ400-B1 2022 Z900RS SE
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'77 - '80 KZ1000 Airbox silencer tubes 11 Feb 2021 16:41 #843349

Mikaw Offline Sustaining Member Posts: 4898 Thank you received: 1859	Very little snow here but frigid temps. 4 over night and and 16 to 24 daytime. 1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4 1976 KZ 900 B1 LTD 1978 KZ 1000 B2 LTD 1980 KZ 750 E1 Kowledge Speaks, But Wisdom Listens. Jimi Hendrix.
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'77 - '80 KZ1000 Airbox silencer tubes 11 Feb 2021 21:36 #843363

Kaylinator Topic Author Offline Sustaining Member Posts: 342 Thank you received: 74	I don't know what that is in ⁰C but I do know that -40 is -40 in ⁰C and bald eagles, so it sound like things are much better where you are than here. 1978 KZ1000-A2 kzrider.com/forum/11-projects/613296-1978-kz1000-a2-barn-find 1978 KZ400-B1 2022 Z900RS SE
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'77 - '80 KZ1000 Airbox silencer tubes 12 Feb 2021 07:47 #843373

Mikaw Offline Sustaining Member Posts: 4898 Thank you received: 1859	DuckDuckGo is my new friend. 4 fahrenheit is -15 Celsius 1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4 1976 KZ 900 B1 LTD 1978 KZ 1000 B2 LTD 1980 KZ 750 E1 Kowledge Speaks, But Wisdom Listens. Jimi Hendrix.
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'77 - '80 KZ1000 Airbox silencer tubes 12 Feb 2021 09:39 #843382

Kaylinator Topic Author Offline Sustaining Member Posts: 342 Thank you received: 74	Hoodie weather. 1978 KZ1000-A2 kzrider.com/forum/11-projects/613296-1978-kz1000-a2-barn-find 1978 KZ400-B1 2022 Z900RS SE
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'77 - '80 KZ1000 Airbox silencer tubes 13 Feb 2021 20:19 #843451

DOHC Offline Sustaining Member Those Doe-Hawks really go! Posts: 1236 Thank you received: 503	I have the tube in hand. Progress! '78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces My dad's '74 Z1 '00 ZRX1100
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'77 - '80 KZ1000 Airbox silencer tubes 14 Feb 2021 06:54 #843459

DOHC
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Sustaining Member
Those Doe-Hawks really go!
Posts: 1236
Thank you received: 503

This was a good excuse for me to play with OnShape. I don't have a paid account or anything, so all of the designs are publicly viewable. Not that I know how to send a link or anything...

I've attached the files I managed to get out of it. If the dimensions in the drawing are not clear, maybe I could figure out how to add another detail view.

'78 Z1-R in blue , '78 Z1-R in black, '78 Z1-R in pieces
My dad's '74 Z1
'00 ZRX1100

The following user(s) said Thank You: Kaylinator

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Last edit: by DOHC.

'77 - '80 KZ1000 Airbox silencer tubes 14 Feb 2021 10:12 #843465

Kaylinator Topic Author Offline Sustaining Member Posts: 342 Thank you received: 74	You da real MVP. 1978 KZ1000-A2 kzrider.com/forum/11-projects/613296-1978-kz1000-a2-barn-find 1978 KZ400-B1 2022 Z900RS SE
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'77 - '80 KZ1000 Airbox silencer tubes 14 Feb 2021 10:45 #843470

DOHC
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Sustaining Member
Those Doe-Hawks really go!
Posts: 1236
Thank you received: 503

The inside radius at the inlet and outlet are my best guess. I didn't have a good way to measure them. But they look close.

I don't know what the options are, but make sure whatever you print this out of is not going to come apart after exposure to heat/vibration/fuel/time. You don't want pieces to get sucked into the engine. If you still have the internal screens that came on the kZ1000 air box, that might help a bit.

Speaking of that, the tube tapers slightly from top to bottom. I believe this is simply a draft angle required to get the part to come out of the mold. If it makes it easier to print, you could make the tube straight. You also have plenty of space to increase the tube wall thickness, since the OD of the tube necks down at the top below where it mounts to the silencer.