SuzukiSavage.com - K&N drop in filter query

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K&N drop in filter query
02/09/17 at 23:46:53

I bought one to go with my imminent dyna mod. It's sealed in plastic and the sealing lip is obviously a bit oily already. I don't recall Suzuki mentioning anything about the rubber lip on their filter needing to be greased. However in the instructions that came with the K&N it says, and I quote "apply a few drops of K&N oil or K&N sealing grease to the lip.

Is this really necessary and if it is, would some white lithium grease do the job?

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: K&N drop in filter query Reply #1 - 02/10/17 at 10:35:37 That's the one thing I did that I regretted.. Just check that it is sealing to the airbox all the way around and keep a stock filter so you can ride while the KN is drying. I'm not saying there is no gain in engine performance, just that I don't Know that it's enough to justify the cost and hassle.
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Re: K&N drop in filter query
Reply #2 - 02/11/17 at 00:09:04

I'm mainly putting one on because it's only the price of two replacement filters and apparently it can go for 50,000 miles before needing to be cleaned and oiled so that would go for 3 years by which time I'd have gone through 6 OEM filters. Any extra air flow is a bonus.

So then I should not worry about any extra grease around the sealing lip?

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Dave

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Re: K&N drop in filter query
Reply #3 - 02/11/17 at 04:29:36

The paper filters can be cleaned....remove them and use an air hose to blow "backwards" through the filter. Eventually the paper will decompose and you will need a new one.

If you ride on pavement and don't live in a dusty area....the paper element could last a long time.

I have a foam filter on my bike, and I clean it while the bike is not being ridden in the winter.

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Re: K&N drop in filter query
Reply #4 - 02/11/17 at 13:03:25

I wash the filters on my gs500 because they seem sturdier encased as they are in a metal cylinder, I have two that I alternate. Soaking in a bucket of soapy water for a day but the s40 ones seems less durable. Nevertheless I've got the k&n now mainly because I believed their airflow tests that I've seen and it seemed worth the extra flow for the dyna. I was going to put a lunchbox on my gs just to get rid of the annoying airbox but then I was told that it's hard to jet for with the OEM muffler.

However all I really wanted to know what this business about the sealing lip on the s40 filter. All I need to do is make sure it's seated properly with no other funny business? No extra grease or oil applied to the sealing lip just leave it bare?

Dave wrote on 02/11/17 at 04:29:36:

The paper filters can be cleaned....remove them and use an air hose to blow "backwards" through the filter. Eventually the paper will decompose and you will need a new one.

If you ride on pavement and don't live in a dusty area....the paper element could last a long time.

I have a foam filter on my bike, and I clean it while the bike is not being ridden in the winter.

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: K&N drop in filter query Reply #5 - 02/11/17 at 13:21:08 My airbox and KN filter didn't want to play together. I built up the offending section of the airbox with epoxy. Nobody else reported any problems.
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eau de sauvage Serious Thumper Offline Posts: 2565 Queensland Gender:	Re: K&N drop in filter query Reply #6 - 02/11/17 at 15:21:51 Thanks Justin for the heads up on that, I will give it extra attention.
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batman Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 3806 osceola new york Gender:	Re: K&N drop in filter query Reply #7 - 02/14/17 at 12:50:15 Asking after the fact ? You could have looked in the tech section at Oldfellers air filter, found something that works better ,requires less upkeep and would have save you money.
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Re: K&N drop in filter query
Reply #8 - 02/14/17 at 13:59:18

c'mon batman, that's not really a fair comment is it. 1. The original question was only about the sealing lip, and if I really needed to oil or grease it. 2. It's obvious from my posts that I don't rush in to anything without extensive research and I had read Oldfeller's DIY air filter thread and determined after seeing all the gotchas that it really wasn't for me, it is not the kind of solution that would give me a warm fuzzy feeling. Not sure how you arrived at the 'less upkeep' thing.

Would it irritate you to know that I just spent $6 AUD ($4 USD) on a new white plastic spacer for the jet needle so I could file it down instead of using metal washers? Wink

batman wrote on 02/14/17 at 12:50:15:

Asking after the fact ? You could have looked in the tech section at Oldfellers air filter, found something that works better ,requires less upkeep and would have save you money.

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ls650v

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Re: K&N drop in filter query
Reply #9 - 02/15/17 at 08:59:33

justin_o_guy2 wrote on 02/11/17 at 13:21:08:

My airbox and KN filter didn't want to play together. I built up the offending section of the airbox with epoxy. Nobody else reported any problems.

I have the same problem. Had to shim the filter to get a seal around the upper part of the airbox. I would not buy this filter again.

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: K&N drop in filter query Reply #10 - 02/15/17 at 09:56:31 Finally, I'm not alone.
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Re: K&N drop in filter query
Reply #11 - 02/15/17 at 12:27:20

I feel it is a fair statement being the filter uses the stock frame and you have no fitting problem,the filter you bought uses cotton that doesn't filter as well as the medium used in Oldfellers,must be cleaned and reoiled more often,and the last time I checked cost $57 not counting K&S oil,cost of Oldfeller's about $10 an a spray can of veg oil $2 .I check mine and respray yearly,but haven't had to clean it for the last 10,000 miles,being no dust or dirt reaches the other side. If it needs cleaning it can be washed in soap and water(top shelf dish washer safe) dried over night/or with a hair dryer on low heat ,oiled and put back in a matter of a few hours. I recommend it to anyone with a stock air box.

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eau de sauvage

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Re: K&N drop in filter query
Reply #12 - 02/15/17 at 18:22:23

At first I was putting the filter in the wrong way as I just assumed the slot was for the metal retaining plate, and had that sideways, when I realised my error, I thought to myself 'well that was pretty dumb' but after putting it in with the correct orientation and seeing how much oversize the K&N is, I'm not quite believing what I'm seeing.

I'm gonna have to send it back as it's way to big for the airbox. Don't know how anyone can make it seal. Just putting it side by side with the OEM you can see how much taller the K&N is. In fact it jams up so tightly against the bottom and the top that the sloping air box just makes the top of the filter bend backwards.

Just got the Dyna installed which sounds freaking awesome, much better than I thought. The gf couldn't stop grinning all the way home! Gonna put the OEM in a do a spacer mod. Might have to revisit the Old Feller filter after all Sad

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« Last Edit: 06/28/18 at 15:22:59 by eau de sauvage »

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batman Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 3806 osceola new york Gender:	Re: K&N drop in filter query Reply #13 - 02/15/17 at 18:55:44 You won't be sorry, it works well with my dyna.
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Re: K&N drop in filter query
Reply #14 - 02/16/17 at 00:01:09

Thanks for the info Eau,

I put the Dyna on and rejeted but I didn't worry about the filter. I read on here somewhere that it didn't really add anything other than being washable. Recently I have been sourcing the filter though, thinking I may as well 'upgrade' it. Now, I won't worry about it.

However, I will research Old Feller's version

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