Air filter adaptors

The 1990's Japanese market GSX250SSN (GJ76A) and GSX400SSN (GK77A)
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johnr
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Air filter adaptors

Post by johnr » Sun Sep 11, 2022 9:00 pm

The club had these made a few years back, they're ally trumpets that fit inside a gs500 air filter and thus allow it to be used on a 250/400 kat.
We have four of these if anybody needs one.
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Re: Air filter adaptors

Post by pookie » Sun Sep 11, 2022 10:04 pm

Hi John. don't know what the difference is if this is fitted or not, had my 250 kat for over eight years now and have had no air intake issues with just a plain gs500 filter fitted.

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Re: Air filter adaptors

Post by fossie » Sun Sep 11, 2022 10:51 pm

Some run fine without , but some struggle. They were made because the OEM filter was expensive and a long wait to get .
This item meant a GS 500 could be bought cheaper and easier just swap the intake ...if yours is ok then your on a winner ! ;)
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Re: Air filter adaptors

Post by johnr » Mon Sep 12, 2022 11:19 am

Fossie, I've posted all the club merch we have in the regalia section with pictures, but I've no prices.
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Re: Air filter adaptors

Post by Smallkat » Mon Sep 12, 2022 5:22 pm

Please save one for me. I will try it with/without and see if I can detect any difference.
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Re: Air filter adaptors

Post by pookie » Mon Sep 12, 2022 9:55 pm

Fitted a paper gs500 filter to my 250 kat, the one that came with the bike, and i'm assuming it's the original, is a metal tubular frame with cut outs and a foam washable element that wrapped around it, this worked fine as well even though it didn't have the trumpet attached.

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Re: Air filter adaptors

Post by Uncle Bob » Tue Sep 13, 2022 9:00 pm

Save one for me please - it can go with the 250 (for when it gets sorted!). I think I have one in the 400 already.
If you are happy to post let me know and the costs.

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