How much is enough? - Kawasaki KLR 650 Forum
2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

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post #1 of 17 Old 05-07-2015, 08:46 PM Thread Starter
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How much is enough?

Just wondering just how much you should oil the air filter. How much is to much. Is it something you just have to get a feel for?

Here's a couple of pix's of mine. Does it look like enough?
After cleaning, it is yellow, like some area's of the view of bottom.




Do all KLR's air filters show a lot of black on them after being run for just a few hundred miles, all on road, and not in dusty conditions.
Mine was cleaned when put up for the winter. I've put on about 300 miles since then, all on pavement. It was real black when I just checked it.

I have a Honda NX250 with a paper filter, and it doesn't show anywhere as much dirt as the KLR. I looks clean even after running it all summer even on a lot of dirt roads.

Ageing Gracefully



2017 Yamaha XT250
1990 Honda NX250 (Green/White)
2011 Kawasaki KLR 650 (Orange & White )

My KLR Page..http://www.powers31.info/2011_KLR650.htm

Mod's to KLR:
Power socket, L.E.D. Battery Indicator, Camera bag holder
Custom Saddlebag frames .
Louder horns, Firstgear Onyx tail bag.
Custom Aluminum Skid Plate.
Cut down seat with Custom pad.
Go Pro Camera mount.
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post #2 of 17 Old 05-08-2015, 09:45 AM
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Larry31,
I personally put enough filter oil on that I can/must squeeze some back OUT.
Even if it is only 3 drips from between my fingers. If you can't squeeze some back-out, some areas are still too dry. I personally think I see too much yellow and not enough blue in your fresh prepped filter. "Kinda splotchy colored".

I think I remember that Tom Schmitz has measured 2 tablespoons of his flavor of oil. The 'secret' is to squeeze or blot out the Excess. We don't want a soggy filter.

As far as how quickly it gets dirty, I find that having 4, 1" holes in the top of the air box, aka "L" mod. The filter stays cleaner longer. Apparently there is quite a bit of dust generated by the rear tire. Cleaner air, from under the seat.

pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 85,000+ miles & counting

Last edited by pdwestman; 05-09-2015 at 06:44 PM. Reason: (too) dry
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post #3 of 17 Old 05-08-2015, 06:01 PM
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My opinion is similar to pdwestman's. You can't put too much oil on the filter. Drop it in a bucket of oil if you want. Then squeeze out as much as you can and go with it. If you didn't squeeze enough, the excess will drip in the bottom of the air box and hurt nothing. If enough drips in the air box, it will drip out the drain below the filter. If you leave way too much and a few drops get sucked into the clean air side of the air box, it also will drain out through the drain line on the right side of the clean air box and be caught by the plug in the end of the drain line, so you will know you left too much oil in the filter.

Oily dirt looks different than dry dirt. The filter does a fine job of catching dirt. I have had oily dirt 1/16" deep on the outside of the filter and the inside was still nice and yellow looking foam. The bike didn't run very well, but the dirt didn't get through the filter. It was that fine poofy alkali talcum powder type dust in the Nevada desert.

So, oil it, squeeze it and ride it.
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post #4 of 17 Old 05-08-2015, 08:48 PM Thread Starter
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Filter

Thanks guys!
I guess I've been under the impression that with to much oil, there would be less air getting through to the carburetor.

The stuff I got from my Kawasaki dealer for oiling filters, was real thick stuff. Kind of sticky too.

Ageing Gracefully



2017 Yamaha XT250
1990 Honda NX250 (Green/White)
2011 Kawasaki KLR 650 (Orange & White )

My KLR Page..http://www.powers31.info/2011_KLR650.htm

Mod's to KLR:
Power socket, L.E.D. Battery Indicator, Camera bag holder
Custom Saddlebag frames .
Louder horns, Firstgear Onyx tail bag.
Custom Aluminum Skid Plate.
Cut down seat with Custom pad.
Go Pro Camera mount.
Doo-Hicky
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post #5 of 17 Old 05-08-2015, 10:12 PM
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I use the spray cans and only spray the outside of the filter. I clean it about once a year.

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post #6 of 17 Old 05-09-2015, 08:06 AM Thread Starter
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Filter

Quote:
Originally Posted by Savage View Post
I use the spray cans and only spray the outside of the filter. I clean it about once a year.
"Once a year" ?? Mine was "black" after putting on just 750 miles this spring.
Mostly paved roads too. I wish I'd taken a pix before cleaning.

BTW: What kind of spray do you use?

Ageing Gracefully



2017 Yamaha XT250
1990 Honda NX250 (Green/White)
2011 Kawasaki KLR 650 (Orange & White )

My KLR Page..http://www.powers31.info/2011_KLR650.htm

Mod's to KLR:
Power socket, L.E.D. Battery Indicator, Camera bag holder
Custom Saddlebag frames .
Louder horns, Firstgear Onyx tail bag.
Custom Aluminum Skid Plate.
Cut down seat with Custom pad.
Go Pro Camera mount.
Doo-Hicky
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post #7 of 17 Old 05-09-2015, 09:24 AM
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Reading this thread reminds me that I need to change my air filter to my backup (clean) filter and then clean the one that's in use...

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post #8 of 17 Old 05-09-2015, 09:39 AM
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I use any brand of spray. I like the kind than fans out. K&N fans out.

Kawasaki KLR650 - Adventure Lite
Tagged KTM250XCF-W - Rocket
Tagged KLX300 - Trail Tractor
'84 XR250R - Retro Ride
RMZ250 - Dirty
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post #9 of 17 Old 05-09-2015, 10:35 AM
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Quote:
Originally Posted by GoMotor View Post
My opinion is similar to pdwestman's. You can't put too much oil on the filter. Drop it in a bucket of oil if you want. Then squeeze out as much as you can and go with it. If you didn't squeeze enough, the excess will drip in the bottom of the air box and hurt nothing. If enough drips in the air box, it will drip out the drain below the filter. If you leave way too much and a few drops get sucked into the clean air side of the air box, it also will drain out through the drain line on the right side of the clean air box and be caught by the plug in the end of the drain line, so you will know you left too much oil in the filter.

Oily dirt looks different than dry dirt. The filter does a fine job of catching dirt. I have had oily dirt 1/16" deep on the outside of the filter and the inside was still nice and yellow looking foam. The bike didn't run very well, but the dirt didn't get through the filter. It was that fine poofy alkali talcum powder type dust in the Nevada

So, oil it, squeeze it and ride it.
My comments above are related to the engine oil that I use on the air filter. Not spray-on tacky oil that I have never used. I assume the can of spray-on oil comes with instructions.
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post #10 of 17 Old 05-09-2015, 01:24 PM
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I'll add, that K &N air filter oil is 'intended' for gauze filters only.

And any of the spray-on 'Foam Air Filter' oils that I have used read some thing like this,
"should be shaken thoroughly and applied liberally to the inner and outer surfaces."
Further instruction, "Gently knead filter while spraying with filter oil."

For best air filtration we need the foam oiled "thru and thru", IMHO.

Kinda' hard to "knead" a framed gauze filter, like a K&N. So, different type of oil.
For a different type of element.

pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 85,000+ miles & counting

Last edited by pdwestman; 05-09-2015 at 04:28 PM. Reason: added text
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