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Discussion Starter #1
Just picked up an 08 KLR and a friend informed me that a number of guys he rides with have complained about Air Filters clogging up after only one day on gravel. He also said that the Air Intake area can get clogged with grit as it is above the rear wheel well. Has anyone experienced this? If so what made it better?
 

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Won't happen anytime soon.

You'd have to be at the back of a group ride kicking up a lot of dust to clog a filter
that fast. The intake on my '09 (same as yours) is well divided and deflected from
the wheelwell. It's been cleaned three or maybe four times now in 5 thousand miles
and I ride thru a lot of crud. That's also riding mostly alone.

I hope a few others toss in their .02 to see the cleaning intervals we all use.


Welcome to the site,
Cheeeeeeeeeeeeeeeeeeeeeeeap
 

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I don't think there is any downside to cleaning the air filter frequently when driving in dusty conditions. But more to your question, I find when I drive 75-100 miles on dusty dirt roads alone, with little if any other traffic, I start to lose some performance. Dust is dust and clogs any filter quickly. I'm sure I could let it go for 500 miles of dusty roads, but there is no need - she runs better and its better for it when I clean it frequently. I haven't done it yet, but I've read of some folks carrying a clean filter with them in a zip-lock so they can change out the filter in the midst of a dusty day or two. That sounds like a great idea and I plan on ordering a second foam filter for next year's adventures.
 

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Mine clogs up quickly now that u mention it. I HAVE TO clean mine bout every three weeks or 500 miles even if not on dusty roads. Just FYI, U.N.I. has a kit, foam oil and cleaner for 15.00 bucks. Prolly get it cheaper at Wal-Mart but would carb cleaner be the same thing?
 

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Mine clogs up quickly now that u mention it. I HAVE TO clean mine bout every three weeks or 500 miles even if not on dusty roads. Just FYI, U.N.I. has a kit, foam oil and cleaner for 15.00 bucks. Prolly get it cheaper at Wal-Mart but would carb cleaner be the same thing?

No-Toil is the stuff to use for air cleaner maintenance trust me. Works way better than anything else I've used. I bet the vast majority of dirt riders use it.

Carb cleaner will probably eat the foam/glue.
 

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Carb cleaner will probably eat the foam/glue.
I'd bet you're spot on with that comment.. Carb cleaner's nasty stuff...

I clean my air filters with hot, really soapy water. A couple of squirts of Dawn and rub it in and get it good and sudsy. Rince.. Wash one more time and rinse and dry..

Spray/or soak, depending on what you have with air filter oil and squeeze out the excess.
 

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I've ridden in some pretty dusty conditions here and in Moab following other bikes and never had an issue with a clogged filter. Does it get dirty, you bet but never to the point of compromising motor performance. I took an extra preoiled filter with me on my last Moab trip but really didn't need it even after four days of off road riding. For cleaning I will use a little bit of gas to break the dirt and oil then finish cleaning with Castrol Super Clean.
 

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Alrighty then, I need to clean MUCH more often.

"Hey Mark, you have an owner's manual and the factory SM,
why don'tcha read up on yer basics?" Duh.
 

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I clean my air filters with hot, really soapy water. A couple of squirts of Dawn and rub it in and get it good and sudsy. Rince.. Wash one more time and rinse and dry..

Spray/or soak, depending on what you have with air filter oil and squeeze out the excess.

What filter do you use and how do you like it?

Also, the No-Toil says not to use with Uni brand air filters so what would be best for that?
 

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What filter do you use and how do you like it?

Also, the No-Toil says not to use with Uni brand air filters so what would be best for that?

Yea the old formula was said to harm the Uni somehow I used it though didn't seem to hurt it.

They have a new formula oil that says it's safe for all type filters : No Toil Evolution. I've been using it for awhile now, works great.

The cool thing about No Toil is that you just dump a bit of the cleaner in some warm water and the filter almost cleans itself! Really makes cleaning the filter super easy. Some people even clean the filters in the dishwasher, not me I want to stay married!

If you've been using another type of oil you have to remove it before going to No Toil products. The cleaner will only work on the No Toil filter oil (say that 5 times fast!)
 

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What filter do you use and how do you like it?
I use UNI and stock.. I switch back and forth, cleaning and lubing one, and sticking it in a ziploc bag until I need a clean filter. Then I can just pull out the dirty one, wipe the mounting surface, stick the clean one in and I can go ride.

I wash the dirty one at a later time, then dry, lube and stuff it in a ziploc bag. :)
 

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Discussion Starter #12
Thanks

Thanks for the quick responses and great discussion. I'm new to this and appreciate the perspectives of y'all. (Even if I'm Canadian can I say y'all?)

Cheers,
 

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No Toil looks like a great deal and keeping a second filter is a great idea as well!

Zin, do you have any experience with those covers?

Paper, how do you judge when to change the filter while on the road (milage, conditions, power)?
 
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