Sportster Suspension Enhancement

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Let me first start out that this topic may seem funny (it is), but I am going to try to be respectful here.
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Also, sorry if it's a long post. Anyway -

I have a buddy I work with that has always wanted a Harley so he could ride with me and the others. Well, after saving his money he finally got what he could afford. He bought a really nice, clean and pretty much chromed out used 2005 Sportster 1200C. I figured this was good for him, nice bike to start out on and he is about 5'8 and maybe 160 so no problem there. We all went riding and all was well. He then suggested that we should make a ride one week with the girls. No problem, so we all brought our wives/girlfriends along for a decent little trip of about 125 miles, you know the all day ride with little stops that is nice but not hard to do for new riders.

Well, here is the issue. His woman (first time meeting her) is on the big side and she is taxing that Sporty. This guy read the manual and did all he could do. He put 40psi in the rear tire and adjusted the shocks to the strongest setting. She complained on the trip about the choppy ride and that her butt was sore. The choppy ride, my buddy said was from the bike bottoming out. It was even bottoming out on slight slopes in the road, he said. With her on the bike we figured she was just an inch from full shock compression anyhow.

Now to the meat of the post - anybody got any ideas on this? I told him to shop for some progressive rate/heavy duty shocks and try it - but he doesn't want to lose ride quality when he rides solo. I would recommend a bigger bike, but he cannot afford that option nor would it really make a difference because I rode her about the last 40 miles on my bike (to help her sore butt feel better) and she weighed my Softail down noticably. I could feel the weight on the bike with lighter steering (easy to pull the front wheel up when accelerating!) and the motor was working harder but not as hard as the shocks! Anyhow, she was embarrassed when we bottomed out (the bike bounced 3 times at once on the stops on one dip!). I explained that my bike shocks were on the softest setting for a solo rider (it WASN"T). I then probed a little and said that with her weight "what are you like 160?" the next setting up would be fine. She said, "oh no, I wish I was 160 - try 220"

So, 220lb rider on a sporty - what can he do??
 
He needs Progressive (brand) heavy duty shocks, at least 12", on his bike. 12" will keep the ride height the same on his Custom, but 13" would give him a better ride when he's got his GF on board.

I put Progressive 12" HDs on my Sportster and it made a world of difference in the handling and ride. But my seat is solo, so I never carry a passenger.

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Thanks G-Man, that was the namebrand I could not remember. I'm gonna recommend that to him tommorrow. I think I saw them in my JP cycles catalog, will check.
Thanks again, oh nice seat there too.
 
He should definitely call the Progressive folks before ordering anything from a catalog. They should be happy to help figure out the proper spring weight if he gives them the details on the bike, rider and passenger.
 
Originally Posted By: Lorenzo
He should definitely call the Progressive folks before ordering anything from a catalog. They should be happy to help figure out the proper spring weight if he gives them the details on the bike, rider and passenger.


To my knowledge, Progressive doesn't make "springs to order." For the Sportster they have std and HD (in various lengths) and they recommend their HD shocks if the total rider and passenger weight is 220 lbs or above.
 
Ah, I thought they were more configurable than that. But I would still recommend a call to Progressive rather than just picking from a catalog. Most dealers unfortunately are totally ignorant despite being "authorized" by the manufacturer.
 
Originally Posted By: G-MAN

To my knowledge, Progressive doesn't make "springs to order." For the Sportster they have std and HD (in various lengths) and they recommend their HD shocks if the total rider and passenger weight is 220 lbs or above.


It's worth asking, at least in the past, Progressive has had more spring combinations than were in their catalog.

The Progressive shocks have better damping than stock shocks so should be more bottom out resistant.

http://www.racetech.com is a couple of levels above Progressive and also more expensive. For most bikes you can get most any spring you want form them. I haven't looked at their Harley selection.
 
Originally Posted By: PT1
WOW
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If she is 220 then he has 2 choices....a HD Roadking or a stairmaster for her.
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heheh..I was thinking the same. Good news is that a local, non-Harley Davidson shop, has orderd him a custom progressive rate pair of shocks that are based on total rider/pass weight. When solo, his ride is not affected, but when loaded will hold up.
 
A few years ago I took my Ducati to be serviced at Fast by Ferracci near Philadelphia. I burnt out the clutch in only 10k miles and Eraldo Ferracci says to me in his heavy Italian accent,

"Lorenzo, wadaya do to you bike? You givina rides to fat girls? Dona do that no more, shes a no good fora da clutch"

Since Ferracci is such an authority on motorcycles, I've taken his advice very seriously.
 
Many Sportster owners complain about the factory shocks even riding solo. They ride rough and bottom easily. The Dyna's are a bit like that also. I've owned more than one of each. Progressive HD shocks make a nice difference (I'm 5'10" and 200 lbs). You skinny guys would want the regular progressive shocks.
 
Originally Posted By: GMBoy
Originally Posted By: PT1
WOW
shocked2.gif
If she is 220 then he has 2 choices....a HD Roadking or a stairmaster for her.
13.gif




heheh..I was thinking the same. Good news is that a local, non-Harley Davidson shop, has orderd him a custom progressive rate pair of shocks that are based on total rider/pass weight. When solo, his ride is not affected, but when loaded will hold up.


Yeah, but I would still get the stairmaster
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Originally Posted By: kballowe
Many Sportster owners complain about the factory shocks even riding solo. They ride rough and bottom easily. The Dyna's are a bit like that also. I've owned more than one of each. Progressive HD shocks make a nice difference (I'm 5'10" and 200 lbs). You skinny guys would want the regular progressive shocks.


I have had both bikes and currently have a Dyna. I was 5'11" and 219 (now I am 178) but never bottomed out even with the wife who is 120. I am using the mid setting on my factory shocks. The sporty was a bit harsher ride and would bottom out with a rider.
 
You have a 120 pound wife? Sheesh. What is she, 18 years old?
Sorry - couldn't help myself.

Good for you.

Once upon a time my wife weighed 135 pounds (when we met 25 years ago) and that's all I'm going to say about that.
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Here are a couple of mine. Have owned more than 40 bikes of all brands and liked them all. Never met a motorcycle that I didn't like.
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558900_YZF-R6-n-05_FXDC.JPG


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LOL...no she is 43. (FWIW I did just buy her an eliptical fitness machine) She was an athlete all of her life and keeps herself in good shape after popping out 3 kiddies. I have the exact same FXDL in vivid black but it's an 06. I love it. Best MC I have ever owned. I'm thinking about that V&H exhaust. How do you like it?
 
I've got a 1996 1200S with the factory adjustable shocks and never really had a problem, although I've given a "large" female friend a ride once or twice. It didn't bottom but it did change the handling a LOT. I don't think any shock would have helped that. IIRC, the Sporty has a weight limit of under 400lbs. I'm anywhere from 185-210, depending, so I'm sure combined we were over the limit. Even my hi-po 88" engine felt like it was struggling. Not to mention, it gets a little cramped for long rides. The Road King is a lot nicer for 2-up although I did go to Sturgis on the Sporty 2-up (with a 100-110 pounder on the back). That was back in 1996; in 1997 my hands stopped vibrating.
 
Originally Posted By: cfromc
I've got a 1996 1200S with the factory adjustable shocks and never really had a problem


The 1200S is widely considered to have the best stock suspension ever put on a Sportster.

Rubber mounting the engine cured the shakes.
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Originally Posted By: cfromc
I did go to Sturgis on the Sporty 2-up (with a 100-110 pounder on the back). That was back in 1996; in 1997 my hands stopped vibrating.


LOL...yeah the new rubber mounted engines do make a difference
 
I'll still stick with the pre-2004 models due to the 60 pound weight advantage. After Sturgis I installed polyurethane riser bushings, a crank dampener, better grips, and finally a custom-made handlebar. Those changes made a world of difference, although I doubt I would enjoy doing any 400+ mile days on it. That's what the RK is for. The Sporty is still great for commuting and short trips, and for surprising crotch-rockets.
 
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