K&N KN-171B Harley Davidson/Buell High Performance Oil Filter Review

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Filter exceeds OEM easy off with the 17mm nut attached to the top. Only filter Ill use on my Dyna.

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Not sure why Harley can't put this nut on their filters, or maybe an inward 1/2" driver hole. Anyway, it makes yanking this thing off much easier because the strap wrench or the Harley-style filter wrench doesn't let you get your hand in there to manage the filter and all the oil that pours out after it comes loose. This helps me ensure a clean oil change... as clean as it can be. Not sure why they chose 17mm for the bolt size, but whatever. What I wasn't excited about was that, at least for me, the black paint seemed to not be "as black" as the Harley filter, or it may have faded or been affected negatively by road salt or something. It wasn't gray or anything, it just wasn't as black as the Harley filter I replaced it with (because I couldn't wait for shipping from Amazon.com). Not a big deal... it's still black. Just not... as black.

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Why pay the dealer's exorbitant rate when this little filter twists off easily with a small adjustable wrench, found in nearly every household?

Remember: Harley-Davidson found that the standard 5 micron filter was too restrictive on the XR1200 engine because the XR has twice the oil pressure of the regular XL Sportster. Don't buy a regular Sportster filter for your XR1200 or XR1200X!

KN-171B is Black

KN-171C is Chrome (The XR1200 is *not* a Chrome motorcycle, unless your screen name is magicrat)

And, of course, be sure to swing by the XR1200 Owners Group (Google it, since I can't post a link), and tell them JoeP sent ya!

Honest reviews on K&N KN-171B Harley Davidson/Buell High Performance Oil Filter

Super easy to install, oil is very clean after 5k miles of hard riding.Just what you would expect from K&N

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Anyone who has fought with the oil filter wrench on a Harley filter knows that the little nut on top of this filter makes it so much easier. I have noticed no difference in operating temperatures, etc.. on the bike in the last few oil changes using these filters and combined with the "Ernst Manufacturing Drip-Free Oil Filter Funnel" my oil changes are spotless.