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I bought a 2016 FXDWG with just over 2K on the odometer. Perfect condition, but uncertain maintenance history so I changed the engine oil, primary case oil, and air filter so far. I replaced the HD OEM with a K&N air filter - looks identical, probably just slightly different filter element. Anyway I have been riding and it seems fine. I pulled the air filter b/c I forgot to put the blue thread lock on the screws holding it in place. I was surprised to find a red, oily substance around the edge of the filter and probably about 30-50 ml leaked out onto the engine when i removed the filter. Pics attached....any ideas? BTW, I did not add any oil to the K&N (it sort of looks like that type of oil to me).
Filter showing the color of the fluid I already wiped it away but it was all around the perimeter, of course more at the bottom
No worries, its the filter oil. Some filters like the K&N use oil to trap particles and hold them to the element. Whoever cleaned the air filter and re-oiled it just put too much filter oil on the element. Wipe it down and get the excess oil off of it and go for a ride.
FYI, you should clean and re-oil those filters every so often, not sure what the official interval is but I clean my filter and re-oil it at every oil change. When applying the oil just spray enough on there to coat the element, don't soak it.
No worries, its the filter oil. Some filters like the K&N use oil to trap particles and hold them to the element. Whoever cleaned the air filter and re-oiled it just put too much filter oil on the element. Wipe it down and get the excess oil off of it and go for a ride.
FYI, you should clean and re-oil those filters every so often, not sure what the official interval is but I clean my filter and re-oil it at every oil change. When applying the oil just spray enough on there to coat the element, don't soak it.
it was a new filter of out the box that I installed - and I did not add any additional oil. Do you think it came with too much oil?
Cleaning and re-oiling my K&N filters on all three bikes is part of my spring ritual.
I'm almost embarrassed to ask this, but HOW to you re-oil the filter? I don't have any way to mist oil and clearly, it's easy to get to much by pouring it over the filter and wiping it down. What's the recommended method?
I have a spray bottle of K&N oil. And I soak it good when I clean and re oil. Worst case is a bit gets sucked into the motor.
Also do you still have the EGR dropping into your intake?? You may have a bit of crankcase blowby along with some excess K&N oil. That pic you posted sure looks like K&N oil. I am just not familiar with your particular motor oil.
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Question about a fluid in my air filter
