Air shocks off Road King. What am I doing wrong?
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Tourer
Joined: Jul 2014
Posts: 409
Likes: 1
From: Illinois
Air shocks off Road King. What am I doing wrong?
Well I purchased these to use on my 99 Dyna WG from someone who had them on a 2005 Road King. My question is this. I installed them pumped them with a manual pump all the way to their max 13" after installing them on my bike with no load (sitting on them), when I went to sit on the bike they went all the way down and when I got off they went back to full extension REALLY SLOW with a little help from me pulling up the rear end. I never had air suspension, so I am not sure how they work. Any help would be greatly appreciated.
BTW. it has 2 air lines to 1 where you pump it up
Thanks in advance
BTW. it has 2 air lines to 1 where you pump it up
Thanks in advance
Seasoned HDF Member
Joined: Jan 2011
Posts: 157,524
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From: Michigan 15 Minutes East Of Hell
I hope you are using some sort of air gauge to ensure proper pressure. A minimal amount of air will extend the shocks with no load/weight on them. The scooter should be on the ground and the pressure checked then.
Outstanding HDF Member
Joined: Apr 2006
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From: Clarksburg, PA
You can also buy Schrader valves at Napa and run a valve on each shock.
There are 2 different versions of this shock...newer models hold more air, but I don't remember the year. You can find with a search.
Do not overfill like Larry said.
There are 2 different versions of this shock...newer models hold more air, but I don't remember the year. You can find with a search.
Do not overfill like Larry said.
Cruiser
Joined: Apr 2010
Posts: 155
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From: El Paso
max pressure for the shock is 50 psi. You have to use a low pressure pump (like the one Harley sells) or you will blow the seals. Plus 1 on the schrader valve for each shock. I did that with my FLH because the plastic air line and fitting had a leak. Install them and pump up individually. If they still leak down with the individual schrader valves installed it's possible that the seals are blown. I ran a set on my Dyna with no problem.
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From: Illinois
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Outstanding HDF Member
Joined: Apr 2006
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From: Clarksburg, PA
Most of us are picking these up used so we didn't get air lines...cheap and easy to pick up the valves. Go with the short ones...you can usually find these at some hardware stores too.
Another reason like glbtrotter said, the lines can leak. Say you are out miles from home and blow out a shock...the other one will stay pumped and you can limp home...with a single line, both will loose air.
The 2009 and up hold more air if I remember correctly.
Another reason like glbtrotter said, the lines can leak. Say you are out miles from home and blow out a shock...the other one will stay pumped and you can limp home...with a single line, both will loose air.
The 2009 and up hold more air if I remember correctly.