Check your air shocks.
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Road Master
Joined: Jul 2006
Posts: 1,132
Likes: 1
From: MO
Check your air shocks.
I went to add 5 psi to mine last night and found that both lost exactly the same amount of pressure. About 4 psi. in 2 months down from 20 originally. The temp should have been within 10 deg. for sure. No big deal unless you run 5-10 psi and haven't checked since last season. 
I think I've settled in at 25 psi. for now...mixed solo / 2 up. These are freshly chopped / rebuilt.
I think I've settled in at 25 psi. for now...mixed solo / 2 up. These are freshly chopped / rebuilt.
Outstanding HDF Member
Joined: Aug 2009
Posts: 2,272
Likes: 20
From: Shamokin, PA
A lot of people run just zero psi on these for solo. I hear of road king users running 25 psi for 2 up, not sure how much is needed on a sportster since it's a lighter bike. You may get better ride quality at a lower PSI. unless you're bottoming out or something.
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Road Master
Joined: Jul 2006
Posts: 1,132
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From: MO
Yea seems like I generally saw 5-10 solo and 10-20 2-up in a few threads. I am use to dirtbikes and like a FIRM ride. I was even going to go with struts when I first got the bike. I rode it with no air, 10, 15 ,and 20 psi. The more I added, the more I liked it and no feeling of harshness yet. I can't see trying more than 30 solo though...it already rides like a dream compared to stock. Best of all, since adding air and switching mids to ext. fwd. I haven't scraped a thing yet. Not even the pipes or jiffy stand. I feel even more confident on it with the forwards, but who knows...maybe I'm not leaning it as far like this. It was CONSTANT with the mids on.
Intermediate
Joined: Apr 2010
Posts: 34
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From: austin texas
i have mine tied to one schrader valve so they are always the exact same psi. i like to run 16 psi for solo 20-25 for 2 up. i also like the firmer ride. im 180 pounds and when i was running 20+ solo i would almost get bounced out of the saddle.
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I was running 5 lbs in mine, but since installing the lowering blocks found that 20 lbs is perfect for two up.
I've had a bunch of bikes with the HD air shocks...some new, some used. Every one of them has lost air with time and riding. I check em every few weeks and need to add air most everytime.
I've had a bunch of bikes with the HD air shocks...some new, some used. Every one of them has lost air with time and riding. I check em every few weeks and need to add air most everytime.
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