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steveR
Maxi-Scooter Rider
Number of posts: 175
Location: Shropshire, God's own county!
Points: 635
Registration date: 2011-03-23
 |  Subject: Hyperpro Springs in UK  Wed Apr 13, 2011 9:17 am | |
| I have the front end off the Swing tonight, ready to swap the oil to try and improve the front end a bit! Probably junk the front Bridgestone too at the same time.
Many sources on the net recommend Hyperpro springs and I wondered where to price them here? Another alternative is to add more preload by adding 5mm or so of washers/shims, anyone tried that on a Swing at all?
I was going to try SAE10, but on dropping the fluid (it does look and smell like ATF!) I am wondering if SAE10 is maybe still a bit light! Any recommendations here guys? |
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JeffR
Site Admin
Number of posts: 1672
Age: 52
Location: Fremont, Ca
Points: 2943
Registration date: 2008-12-19
| | Subject: Re: Hyperpro Springs in UK Wed Apr 13, 2011 9:33 am | |
| I have read where some have put in a 1/2" spacer of pvc pipe and also went up to a "15 weight oil". The did notice good improvement with the spacer and heavier oil. I think I read this on the yahoo silverwing group. Oh No.... I just advertised a different forum. I hope I don't get banned here too. _________________ Ride safe, JeffR 2007 Silver Wing (30,000 miles) 2005 Majesty 400 (sold 12,500 miles) 2004 Reflex (sold 3,500 miles) Givi Windshield, top case, vista cruise, power commander, dr pulley sliders, air hawk seat pad, (J. Costa not installed now), kevlar belt  |
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Bernardo
Super Scooter Rider
Number of posts: 261
Location: Buckinghamshire, United Kingdom
Points: 1455
Registration date: 2008-12-25
| | Subject: Re: Hyperpro Springs in UK Wed Apr 13, 2011 12:48 pm | |
| Oh no Jeff....! Now you have really done it.... LOL... OK so who is gonna spank u?.....LOL
As to hyperpro springs I had them fitted to my Swing and it made a big difference, improved the handling and braking without compromising on comfort though a much firmer ride... Cost a few years ago about $115 (pounds sterling)
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Waspie
Silver Wing Guru
Number of posts: 1739
Age: 60
Location: Portland, UK
Points: 2905
Registration date: 2009-07-26
| | Subject: Re: Hyperpro Springs in UK Wed Apr 13, 2011 1:07 pm | |
| This link finds the manufacturer.
http://www.hyperpro.com/#
Simply fill in your details and they will send you price and further details! |
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steveR
Maxi-Scooter Rider
Number of posts: 175
Location: Shropshire, God's own county!
Points: 635
Registration date: 2011-03-23
| | Subject: Re: Hyperpro Springs in UK Wed Apr 13, 2011 2:56 pm | |
| | Waspie wrote: | This link finds the manufacturer.
http://www.hyperpro.com/#
Simply fill in your details and they will send you price and further details! |
Good man, Ta!
Later...
Now costed them and they can stay in the shop for the moment! £130.
Last edited by steveR on Sat Apr 16, 2011 5:13 am; edited 1 time in total |
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steveR
Maxi-Scooter Rider
Number of posts: 175
Location: Shropshire, God's own county!
Points: 635
Registration date: 2011-03-23
| | Subject: Re: Hyperpro Springs in UK Sat Apr 16, 2011 1:03 am | |
| | JeffR wrote: | | I have read where some have put in a 1/2" spacer of pvc pipe and also went up to a "15 weight oil". The did notice good improvement with the spacer and heavier oil. I think I read this on the yahoo silverwing group. Oh No.... I just advertised a different forum. I hope I don't get banned here too. |
No washers of the correct diam in my workshop, which surprised me, so I settled for some SAE 15 fork oli and just from bouncing up and down on the individual legs, I can tell there is a difference. Get tham back on today, and then try them tomorrow on a test run,
Later:
First impression from a cpuple of runs up my farm lane was wow, damping again! Before, every pothole was a wheel banging, frame shaking experience. Now it is all a lot more relaxed. The real test will be on some mountain roads next week  |
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Waspie
Silver Wing Guru
Number of posts: 1739
Age: 60
Location: Portland, UK
Points: 2905
Registration date: 2009-07-26
| | Subject: Re: Hyperpro Springs in UK Sun Apr 17, 2011 1:21 pm | |
| | steveR wrote: | | Waspie wrote: | This link finds the manufacturer.
http://www.hyperpro.com/#
Simply fill in your details and they will send you price and further details! |
Good man, Ta!
Later...
Now costed them and they can stay in the shop for the moment! £130. |
Thanks for the 'later' info Steve.
Made my mind up, I will wait a wee while before contemplating a change. |
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buddy19520
Super Scooter Rider
Number of posts: 286
Location: Cornelius NC
Points: 1129
Registration date: 2010-02-27
| | Subject: Re: Hyperpro Springs in UK Thu Apr 21, 2011 2:42 pm | |
| The oil that comes with the HyperPro is SAE 20. If you are using the original springs, your guess at SAE 15 is probably best. |
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steveR
Maxi-Scooter Rider
Number of posts: 175
Location: Shropshire, God's own county!
Points: 635
Registration date: 2011-03-23
| | Subject: Re: Hyperpro Springs in UK Thu Apr 21, 2011 3:39 pm | |
| | buddy19520 wrote: | | The oil that comes with the HyperPro is SAE 20. If you are using the original springs, your guess at SAE 15 is probably best. |
I'm surprised aftermarket springs use such a heavy weight fluid! I fitted Hagon springs in my Transalp and it came with SAE 5 oil and thinking it looked thin, I upped it to nearly 10 weight. Mistake on my part! 
Now been out with swing with the 15 weight, and I am pleased, sure, a bit more boing in the springs would be nice, but it is a very noticable improvement.
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buddy19520
Super Scooter Rider
Number of posts: 286
Location: Cornelius NC
Points: 1129
Registration date: 2010-02-27
| | Subject: Re: Hyperpro Springs in UK Thu Apr 21, 2011 8:12 pm | |
| I did not do the install personally, but I did see the new springs before they were installed in the bike. Getting the old (factory) springs back from the mechanic, I could see that the stock springs are made from a thinner gauge wire. With that in mind, I believe that the replacement springs take more force to compress.
If they take more force to compress, they will de-compress with more force. A thicker damping fluid slows down the increased spring rate better than thinner oil.
If I was doing the work myself, I might have just tried thicker oil with the stock springs to see how it felt. The HyperPro feel good, but they take a lot more effort to compress - I have not bottomed them out yet. From the clean area on the stanchion, I would say I should be getting another inch of travel.
Considering everything, I will not be taking the HyperPro springs out even if they are a bit firm. But I would think your choice of factory springs with heavier oil offers better comfort (at a better price, too!). |
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Skippy
Super Scooter Rider
Number of posts: 299
Age: 45
Location: Exeter. Devon.
Points: 1002
Registration date: 2010-08-18
| | Subject: Re: Hyperpro Springs in UK Mon Apr 25, 2011 1:34 pm | |
| I wish I'd known that somebody had tried switching to a heavier oil and inserting a pair of pipes before I went shelling out £125 for a set of Hyperpro springs Mind you I have been down that route before on an old CX and while it did last for a while, eventually the seals went. |
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