Air filter mod? - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #1 of 16 Old 04-02-2020, 11:54 PM Thread Starter
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Air filter mod?

Has anyone ever seen this particular mod to the wing bolt? I assume it's to prevent the wing bolt from backing off, as the rod would prevent turning of the bolt. I'm really curious. It's on my 2007. Was switching from the K&N to an UNI filter.
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post #2 of 16 Old 04-03-2020, 09:00 AM
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Not sure what the rod was used for, but if that K&N filter was on your KLR you probably already have some engine damage. K&N’s don’t filter out the finer dirt particles at all. You are doing the right thing to get rid of it.
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post #3 of 16 Old 04-03-2020, 09:45 AM
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Never seen it before but I'd wager you're correct on the purpose - that said, I've never had one back off so I don't know if the "fix" is necessary or even useful. Good call on the swap


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post #4 of 16 Old 04-03-2020, 01:36 PM
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I'll suggest that the previous owner or their 'mechanic' had left the wing screw loose once & it had backed out allowing dust entry.

I've never had one that was properly snugged down loosen of its own accord.

A younger customer, with beer drinking buddies in his garage, had the fairly large flat washer used on the wing bolt of his KX500 pass thru the carburetor & reed valve assembly of his engine a few days after the midnight servicing, many years ago. (No air filter flame arrestor screen needed on 2 strokes.)
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Last edited by pdwestman; 04-08-2020 at 11:35 AM. Reason: spelling
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post #5 of 16 Old 04-03-2020, 10:45 PM Thread Starter
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The worst part of the whole deal is that the nut that's molded into the air box is stripped out of the plastic. It's gonna be fun to put back together

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post #6 of 16 Old 04-04-2020, 02:27 AM
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I use a short piece of broom handle wedged between the backfire screen and the nut to hold the nut in place while reinstalling the wing bolt.
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post #7 of 16 Old 04-07-2020, 07:05 PM Thread Starter
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How do you get the broom handle out?

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post #8 of 16 Old 04-07-2020, 07:14 PM
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Quote:
Originally Posted by 19willys51 View Post
How do you get the broom handle out?
The piece of broom handle has stayed inside for the last 300k kms without issue.
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post #9 of 16 Old 04-07-2020, 07:16 PM Thread Starter
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Quote:
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Quote:
Originally Posted by 19willys51 View Post
How do you get the broom handle out?
The piece of broom handle has stayed inside for the last 300k kms without issue.

Ahh. I see.

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post #10 of 16 Old 04-07-2020, 08:27 PM
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