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Bagger John - #3785
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« on: April 26, 2017, 11:21:46 AM » |
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The OEM seals on my '99 Tourer have signaled need for replacement. Age - rather than miles or maintenance - is probably the cause, as the tubes are kept spotless.
Bike has an I/S trunk, a Fats fairing and other IS-esque bits so its wet weight is approaching that of an Interstate. I'm 225, co-rider is 170ish. Planning on swapping the original springs for Progressives while I have things apart.
That said, what's the board favorite for fork seals - OEM, All Balls or someone else's?
Fork oil weight for bike + rider weight?
Given it's been a while since I looked at Progressive's springs, are they offered in multiple weights for the Valkyries?
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hubcapsc
Member
Posts: 16779
upstate
South Carolina
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« Reply #1 on: April 26, 2017, 11:46:56 AM » |
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OEM seals, standard amount of 10 weight fork oil and I'm pretty sure
Progressive's springs for the Valkyrie only come in one variety.
Other folks swear that 10 weight sucks and you need 15 weight.
-Mike
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sandy
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« Reply #2 on: April 26, 2017, 12:23:06 PM » |
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I rebuild forks in my home garage. Have used all brands. The All Balls are the best. Tighter fit and better made. For your weight, I'd use 15 wt oil. Another spring choice is Hyper Pro. They are the better springs but with more cost. $159 including enough oil to fill forks. Progressives are about $90 but you need $28 of oil.
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falconbrother
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« Reply #3 on: April 26, 2017, 01:01:57 PM » |
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Do not get the heavy oil unless you like getting your teeth jarred out.
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« Reply #4 on: April 26, 2017, 01:05:59 PM » |
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Bagger John - #3785
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« Reply #6 on: April 27, 2017, 07:29:13 AM » |
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...Another spring choice is Hyper Pro...
Know of any U.S. dealers for these? Everything I'm finding for them is in EU. |
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sandy
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« Reply #7 on: April 27, 2017, 06:07:44 PM » |
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Bagger; You don't say where you live. You local mc shop should be able to get them for you. Try Amazon though. I'll bet they have a vendor. Get AllBalls guide bushings, slider bushings, oil and dust seals. The fork oil can be had locally.
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Bagger John - #3785
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« Reply #8 on: May 30, 2017, 06:42:34 AM » |
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Bumping this up for the benefit of others:
Bought a set of Hyperpro springs in the U.S. through EPM Performance. Dee - their customer service agent - hooked me up. They're a good outfit to work with.
Next - got hold of an All Balls fork seal kit, their bushing and retainer kit...the latter giving you all the O rings and sealing washers needed to complete the job.
I went with Hyperpro's included 15w oil and added an appropriate amount of Maxima 15w to get the level up to service limits in each leg.
The fork is now a little more taut over the average road surface but handling has markedly improved. Damping seems a tiny bit heavy for solo work but should smooth out if I add luggage and/or passenger. If I had to do it over again I'd still use 15w in my application, though if doing this on a Standard and being a little lighter of a rider I would gravitate towards 10w.
FWIW, the OEM springs had ~16Kmi on them - so they weren't past their service life. The Hyperpros make the bike work better.
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98valk
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« Reply #9 on: May 30, 2017, 07:25:07 AM » |
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Fork Oil does not follow any weight standard like motor oil. each manufacturer has its own std. u have to match the viscosity of the fork oil as recommended by the spring maker. this is an older list and vis might be different than what each company offers today. http://www.peterverdone.com/archive/lowspeed.htm |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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slythern12
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« Reply #10 on: September 20, 2018, 11:42:18 AM » |
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Bagger; You don't say where you live. You local mc shop should be able to get them for you. Try Amazon though. I'll bet they have a vendor. Get AllBalls guide bushings, slider bushings, oil and dust seals. The fork oil can be had locally.
I ordered the oil and dust seals but not the bushings. Did I screw up? |
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Bagger John - #3785
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« Reply #11 on: September 20, 2018, 11:52:17 AM » |
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I ordered the oil and dust seals but not the bushings. Did I screw up?
How many miles on the forks? My old bushings were still serviceable when I pulled everything apart, but since I had them apart all the internals got refreshed. |
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slythern12
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« Reply #12 on: September 20, 2018, 12:12:10 PM » |
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I don't know if the ones I'm changing are originals or not but she has 78000 on her.
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Bagger John - #3785
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« Reply #13 on: September 20, 2018, 02:40:27 PM » |
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I don't know if the ones I'm changing are originals or not but she has 78000 on her.
I'd change the bushings regardless. My forks had 15k on them and while the seals were leaking a bit the bushings weren't worn to service limits just yet. Nevertheless, I replaced all wear items. |
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