Making your own air filters from foam. Where is the thread of the member who did it? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 5 (permalink) Old 02-20-2010, 03:48 PM Thread Starter
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Question Making your own air filters from foam. Where is the thread of the member who did it?

I remember reading a thread where a member of the forum built his own air filters from foam, but my searches don`t turn it up, and manually going through the individual forums is too tedious after a while.

Does anyone know where to find it, and any associated pics?

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

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post #2 of 5 (permalink) Old 02-20-2010, 04:49 PM
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Hi O Hoss I am one of them, made my own. First you have to find a place that sells the foam that is 1/2 inch thick and a peice about 1/4 inch thick. Take the originals and measure them, the circumferance, how wide and long. Then the end peices make a template to cut the oval, you make two. One a complete oval and the other cut the center out like the inner oval of the origanal air filter. Then carfully glue them to gether with contact glue. To form the 1/4 inch, wide and long center oval, make a form I used a can to glue the two ends together and held it until it would stay together.
As far as how much you need, a square foot of each is enough. I have been using mine now for almost 2 years. Still have the originals, and they are in good shape. You do not want a heavy foam, it is like the stuff you find in fabric stores or craft stores. Pm me if you have any questions. I hope this gives you a good idea of how to do it. Also to add to this I have not had any problems with the carbs, as far to lean or to rich. I just spray them with WD 40 and install them.

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post #3 of 5 (permalink) Old 02-21-2010, 03:01 PM Thread Starter
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Thanks for the directions and advice. I don`t figure that it should be hard to figure out, once I get the ears off and take a better look at the foam elements.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/showthread.php?t=9127
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post #4 of 5 (permalink) Old 02-21-2010, 04:25 PM
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yea i wished i saw this before i went out and got some k&n's woulda saved me almost 70 bucks.
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post #5 of 5 (permalink) Old 02-21-2010, 05:10 PM
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Why make your own? I get Emgo filters from Dennis Kirk, part# 304663, for only $10.99 each. You cannot tell them from stock by looking at them, and I have used them for 20,000 miles untouched, then instead of cleaning them, just toss them, and install new ones. I have never had any problems doing things this way.


BTW, Dennis Kirk now has a Factory jet kit available specifically for the Vulcan 750. Sounds like just the thing if you change your stock pipes and/or air filters to aftermarket. Jerry.

I am a motorcyclist, NOT a biker.


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