2011 FLHTK Ultra limited
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Stage III
Joined: Apr 2017
Posts: 3
Likes: 0
From: Massachusetts
2011 FLHTK Ultra limited
I have a 2011 Ultra with 9k miles. It hums in the rear when I corner. I know that it's the rear tire and I can live with it until next year when I'll change it.
The real problem I'm having is a loud banging in the rear when I hit a bump in the road like a depressed manhole cover or a shallow pothole. I bangs just once when it happens and it's like the suspension is bottoming out, but I'm not hitting the hole that hard. I do have 1" lowered Road King shocks but I don't feel they're the reason. I haven't found anything loose on it. Any ideas?
The real problem I'm having is a loud banging in the rear when I hit a bump in the road like a depressed manhole cover or a shallow pothole. I bangs just once when it happens and it's like the suspension is bottoming out, but I'm not hitting the hole that hard. I do have 1" lowered Road King shocks but I don't feel they're the reason. I haven't found anything loose on it. Any ideas?
Road Captain
Joined: Jul 2008
Posts: 613
Likes: 33
From: East Alton, IL
I have to pump up the rear air shocks to about 35 psi on my 2010 FLHTK. I weigh 200 and ride solo. I determined that pressure by pumping it up (originally had 15 psi) by 5 psi and testing it. I fortunately have a bump just down the road to test. I think you'll find that more pressure actually smooths and softens the ride.
Road Captain
Joined: Jul 2008
Posts: 613
Likes: 33
From: East Alton, IL
Do NOT use gas station air. Buy the proper air pump or risk blowing up your shocks. Like this one or OEM.
https://www.summitracing.com/parts/f...Og0aAhTB8P8HAQ
https://www.summitracing.com/parts/f...Og0aAhTB8P8HAQ
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