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Author Topic: DIY foam air filter solutions  (Read 235 times)
ModerateFkr
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« on: June 19, 2017, 02:48:11 PM »

Has anyone tried these or anything like it?

http://m.ebay.co.uk/itm/Ramair-Universal-Large-Foam-Pad-300-x-200-DIY-Make-your-own-air-filter-/351167961002?hash=item51c33dd7aa%3Ag%3AhK8AAOSwRLZUEGEG&_trkparms=pageci%253Ae7a879ff-551d-11e7-a69c-74dbd180ed94%257Cparentrq%253Ac1a24eab15c0ab1493146103fffb69f1%257Ciid%253A7

Apparently they need cleaning with special chemicals, but they appear less dense than the paper ones, and cost a lot less.

How much fiddling is involved in shaping the material to fit I wonder?

Is there space between the gauze fly screen (probably still required) and the area for the plastic moulded paper element?

How much can be left out?

What if anything needs to be fabricated?

And if I solve any of these issues then offer a replacement air filter for the CB-1, will I be considered a commercial spammer??Wink)

It's VERY hot here, but strangely my brain is working relatively well...!

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a_morti
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« Reply #1 on: June 19, 2017, 04:12:49 PM »

Yes I've done it. Worked fine.




Guess it may leave you running lean? Idk.
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filterMan
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« Reply #2 on: June 19, 2017, 05:03:12 PM »

Yes, I did the very same thing. Been riding with this foam in for 5 years with no problems. I don't bother cleaning the foam, just cut a new one.
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ModerateFkr
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« Reply #3 on: June 19, 2017, 05:05:24 PM »

Thank you a_morti. Did it leave your bike running lean? Are they denser than the paper filters? Did you use this particular make and type, or another one?
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ModerateFkr
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« Reply #4 on: June 19, 2017, 05:07:22 PM »

Thank you FilterMan. I guess the same questions to you too.
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a_morti
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« Reply #5 on: June 19, 2017, 05:32:50 PM »

Thank you a_morti. Did it leave your bike running lean? Are they denser than the paper filters? Did you use this particular make and type, or another one?
no idea.
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filterMan
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« Reply #6 on: June 20, 2017, 04:29:34 PM »

If anything I think the bike might be running a bit rich as I have a bit of trouble starting it in hot weather, I have to hold the throttle open when the engine is hot. That said in the manual it says that's normal starting procedure for a hot engine also I get about 52mpg on a long commute so it can't be that rich I suppose.

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ModerateFkr
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« Reply #7 on: June 21, 2017, 12:30:28 AM »

If anything I think the bike might be running a bit rich as I have a bit of trouble starting it in hot weather, I have to hold the throttle open when the engine is hot. That said in the manual it says that's normal starting procedure for a hot engine also I get about 52mpg on a long commute so it can't be that rich I suppose.



That's good to know filterMan. Is it this actual company you use? They apparently manufacture themselves, supply four car companies and sell direct on ebay.
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filterMan
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« Reply #8 on: June 21, 2017, 04:50:00 PM »

Yes, it's a Ramair filter I've fitted and I bought it on ebay.
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