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Sportster Motorcycle Air intake, Carburetor, EFI, Fuel, and Exhaust Problems, advice and/or how tos for Sporster and Buell motorcycle carburators, Electronic Fuel Injection (EFI), Air Intake, Fuel and Exhaust.

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  #11  
Old 26th February 2020
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I took an Arlen Ness air breather and tapped hose barbs into the breather tubes....let me show you:



I did something similar with my Dyna on an SS breather:

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  #12  
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Quote:
Originally Posted by SLW210 View Post
No wonder they went under.
All aircleaner designs route the breathers back into the intake.
They were really put out of Business by China copying their designs 100%.
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The Deimus Mod is also here in the Sportsterpedia:
http://sportsterpedia.com/doku.php/t...ref:engmech05d

Lots of breather mod info on this page with links to specific mods.
http://sportsterpedia.com/doku.php/t...:ref:engmech05

There is no data / proof that venting from the cam chest is any better than from the heads.
Some prefer it, some choose to keep them in the heads.

The Hayden Krankvent is just a 91-03 umbrella in a designed enclosure.
The reed valve also has it's pros and cons.

If you are just looking for cosmetic changes, check out the pages in the second link I gave.
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If blow-by becomes an issue and starts loading up my air filter I'm going to need a option to vent to atmosphere. The design in the above links would be fine if all of us had a lathe and a full workshop. Sadly I do not and a 'Kit' will be required. I had a bolt on kit like that on my 98 DWG years ago that worked well. I may need to see what DK is offering as I'm getting to the age where I prefer to ride more and spend less time doing mods. I enjoyed it in the past but not anymore.
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