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[quote author=Troll link=topic=45537.msg102111#msg102111 date=1487538306]
I have had and currently do have K&Ns in almost  (they don't make a filter for the W-650) every vehicle I own. There is no comparison between a paper filter and one that lets the engine breath. I saw a 10 hp difference on a dyno run of my 98" shovel head, going from a hi-pro foam to a K&N...Your engine WILL run leaner with a K&N than with a paper filter....so you may need to re-jet or raise the needle. The big thing is that if you are currently running on the rich side of perfect, it should correct that for you. They will last forever, and the filtration is far superior to a stock filter. A trip through the Utah red rock deserts proved that to me....red dust in everything, but not a speck inside the filter.....
[/quote]

Well I got the K&N filter in there and now the thing doesn't want to rev above about 3500-- it just breaks up, does that mean it's too lean? It must be what you said I've got to adjust the needle. With the Dino jet kit I got a bunch of spacers for the needle  – should I put a couple of those under there or maybe just change the e-clip setting higher?  When I installed the Dino jet kit last year I adjusted my screw setting from the stock setting which was one and three-quarter turns out to two turns. Should I adjust that now too?  Thanks for whatever help you can give me

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Posted by Tfrank59

- March 01, 2017, 06:41:59 AM

OK Ratman, that's a really good YouTube and it shows that recharging or in my case pre-oiling the new filter isn't going to restrict airflow so I'm gonna go ahead and do it. Thanks a lot.

Posted by CDNRatMan

- March 01, 2017, 01:10:50 AM

Ok not sure of that......

https://www.youtube.com/watch?v=3g9cynpmNQI

the only way I deviate from this is that I use Dawn dish soap to clean my air filter and then let it dry and then use the oil and mine is blue..lol....

Posted by Tfrank59

- March 01, 2017, 00:20:24 AM

Quote from: CDNRatMan on February 22, 2017, 12:17:09 PM
Just remember to get the K&N oil to prime it.......

OK now I'm confused because I bought the K&N oil, and today my filter showed up and in the instructions it says nothing about pre-oiling it. what's up with that?

Posted by Tfrank59

- February 22, 2017, 13:29:12 PM

Funny I just went out in the garage poking around and I found a spray bottle of K & N air filter cleaner, and I thought I had some of their oil – now I'm thinking back a few bikes ago I think I had a K&N foam filter for my KTM. If it wasn't K&N oil I used it was something I purchased at like AutoZone and it did the job just fine.

Posted by CDNRatMan

- February 22, 2017, 12:53:28 PM

I am not going to say don't see why not, but I bought theirs just because it was on sale....lol...and I bought the big can and shared it.....

Posted by Tfrank59

- February 22, 2017, 12:42:57 PM

Does it have to be their name brand oil or can I use another brand air filter oil

Posted by CDNRatMan

- February 22, 2017, 12:17:09 PM

Just remember to get the K&N oil to prime it.......

Posted by Tfrank59

- February 22, 2017, 11:39:08 AM

okay, just ordered a K & N and to my surprise got it for $45 (not 53) with free shipping.

Posted by Tfrank59

- February 20, 2017, 13:48:25 PM

yep, you got me there. guess I'll pony up the 53$ and get one. at least it lasts a long time.

Posted by Trall

- February 20, 2017, 06:24:39 AM

After Rat man and Troll endorsements and info how can you not go buy a K&N filter after reading their reviews. Good stuff.

Quote from: Troll on February 19, 2017, 15:05:06 PM
I have had and currently do have K&Ns in almost (they don't make a filter for the W-650) every vehicle I own. There is no comparison between a paper filter and one that lets the engine breath. I saw a 10 hp difference on a dyno run of my 98" shovel head, going from a hi-pro foam to a K&N...Your engine WILL run leaner with a K&N than with a paper filter....so you may need to re-jet or raise the needle. The big thing is that if you are currently running on the rich side of perfect, it should correct that for you. They will last forever, and the filtration is far superior to a stock filter. A trip through the Utah red rock deserts proved that to me....red dust in everything, but not a speck inside the filter.....

Posted by Troll

- February 19, 2017, 15:05:06 PM

I have had and currently do have K&Ns in almost (they don't make a filter for the W-650) every vehicle I own. There is no comparison between a paper filter and one that lets the engine breath. I saw a 10 hp difference on a dyno run of my 98" shovel head, going from a hi-pro foam to a K&N...Your engine WILL run leaner with a K&N than with a paper filter....so you may need to re-jet or raise the needle. The big thing is that if you are currently running on the rich side of perfect, it should correct that for you. They will last forever, and the filtration is far superior to a stock filter. A trip through the Utah red rock deserts proved that to me....red dust in everything, but not a speck inside the filter.....

Posted by CDNRatMan

- February 19, 2017, 11:21:19 AM

I can only say that I really like my K&N air filter. I am running Roadhouse exhaust, no mods to air box or carb. The K&N filter is really simple to take out wash in soapy water rinse it under a gentle spray of running water, let it dry overnight and spray it with a really light film of oil, let dry and you are ready to ride again, and they last a long time.

Posted by Tfrank59

- February 19, 2017, 10:41:19 AM

I've never used a K & N on my bikes, mostly because of cost, but how big a deal is it on performance with a drifter 800? I have custom exhaust and have rejetted my carb, so I guess the only thing I haven't done is the air filter mod or even just replacing the stock element with a K & N. The cost difference is pretty significant to me: stock $20, K & N $53.

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