K&N filter maintenance - Kawasaki Vulcan Forum : Vulcan Forums
 
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post #1 of 7 (permalink) Old 03-21-2019, 02:53 PM Thread Starter
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K&N filter maintenance

I have a filter similar to the picture but the element is grey not red. No instructions with the bike. Does it need washing or oiling periodically.
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post #2 of 7 (permalink) Old 03-21-2019, 03:07 PM Thread Starter
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This is the style of filter fitted
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post #3 of 7 (permalink) Old 03-21-2019, 03:11 PM
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Yes it does. Before oiling, K&N filters are grey or white. They are made of gauze ,which is white.
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post #4 of 7 (permalink) Old 03-21-2019, 03:36 PM Thread Starter
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Wow, mine grey so never been oiled
EBay again for some oil then.
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post #5 of 7 (permalink) Old 03-21-2019, 06:16 PM
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It might have been oiled, then cleaned very well. The K&N oil is red, that is what gives the filter the red color.
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post #6 of 7 (permalink) Old 03-21-2019, 08:53 PM
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Make sure it has oil on it already. Not all gauze filters use oil. I use an AEM Dryflow filter in my truck. No oil, ever. Some of the dryflow are grey as well so color is not a good indicator. The dry ones are just washed with soap and water, dried, then placed back in.

https://www.aemintakes.com/dryflow_air_filters.htm

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Last edited by CRU; 03-21-2019 at 08:56 PM.
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post #7 of 7 (permalink) Old 04-14-2019, 03:51 PM
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Quote:
Originally Posted by Ian Hunter View Post
I have a filter similar to the picture but the element is grey not red. No instructions with the bike. Does it need washing or oiling periodically.
If a K&N reusable then both.

The red color just helps you more evenly apply the oil. The red color disappears after a while. Gray doesn't necessarily mean it isn't/hasn't been oiled, nor an inherent indication it needs oiling.

That said, the unknown condition suggests washing and oiling to re-establish a known state.

Last edited by whoaru99; 04-14-2019 at 07:50 PM.
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