Andreani Compression Fork Valve Pistons Kit - Wrist Twisters
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post #1 of 40 Old 06-25-2018, 03:12 PM Thread Starter
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Andreani Compression Fork Valve Pistons Kit

Andreani Compression Fork Valve Pistons Kit for Honda CB 900 F Hornet 2002 02>07

https://www.omniaracing.net/en/andre...7-p-19899.html


Has anyone tried these, they say they were developed with Ohlins.

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post #2 of 40 Old 06-29-2018, 10:01 AM
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Translation we copied Ohlins design, but did it quick & dirty with poor machining tolerances so we can sell them cheaper like the rest of the shit we produce

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post #3 of 40 Old 06-29-2018, 01:03 PM Thread Starter
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Quote:
Originally Posted by LDH View Post
Translation we copied Ohlins design, but did it quick & dirty with poor machining tolerances so we can sell them cheaper like the rest of the shit we produce
Not what I wanted to hear, as I just ordered them.

Here in Australia the only Ohlins shock available for my 919 costs US$1400
I bought the basic Ohlins shock plus Ohlins fork springs, Ohlins fork oil and the Adreani bits for only US$850 all up.

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post #4 of 40 Old 06-29-2018, 01:19 PM
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I sell the Ohlins HO201 919 Shock for $919 USD which is currently $1241 AUS

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post #5 of 40 Old 06-29-2018, 03:42 PM Thread Starter
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Quote:
Originally Posted by LDH View Post
I sell the Ohlins HO201 919 Shock for $919 USD which is currently $1241 AUS
Great price LDH, I've never seen them anywhere for lower than AU$1450, and that was from Europe.

every time I've ordered something from the US, shipping costs a small fortune and takes 6 to 8 weeks.
But if the bike wasn't so old now I'd still probably go for it.

My state suspension guy for Ohlins didn't even want to sell me one, he insisted he could alter the valving to make it just as good as an Ohlins.
But I read one of your old posts that said if someone says that, to run as fast as you can, or something to that effect.
I don't do track, highway or pillion, just sunny day rides through the hills, so I figure the basic Ohlins shock, fork springs and oil will still be better than the stock. I will get it set up professionally.
If only I live near you instead of regional Queenland.

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post #6 of 40 Old 06-29-2018, 06:01 PM
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Shipping down under is a bit expensive, but not outrageous usually about $90-$120 USD depending on how far off the coast you are, but delivery times via DHL are generally about 3-4 days

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post #7 of 40 Old 07-04-2018, 09:43 AM
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Quote:
Originally Posted by Diablo View Post
Not what I wanted to hear, as I just ordered them.

Here in Australia the only Ohlins shock available for my 919 costs US$1400
I bought the basic Ohlins shock plus Ohlins fork springs, Ohlins fork oil and the Adreani bits for only US$850 all up.
Are the front fork valves coming with a predetermined shim stack, and if so, do you know how it was determined?
If they don't , what info are you being given so you can select a shim stack and assemble the stack accordingly?

Keep in mind that if a copy of an Ohlins valve design, the damping force curves are valve port sensitive.
Ohlins does some of their hydraulic curve shaping with the valve port.
This is unlike the typical North American suppliers like RaceTech and Traxxion, who use large valve ports that don't "shape" the hydraulics, and instead get all of their damping force curve characteristics from the (shims) "stack build".
So, don't try to do a RaceTech selected "stack build" on an Ohlins valve!

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post #8 of 40 Old 07-06-2018, 04:21 PM Thread Starter
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They say they developed them with Ohlins, for use with Ohlins fork springs, not a copy, and not sure why anyone would confuse them with racetech instructions, that makes no sense why you would even think that.


Anyway, they told me to do a straight swap with the OEM part, as per the paper in the pack, which is pretty vague to me, and in Italian.

They recommend Ohlins springs and Ohlins 5 fork oil at 130mm oil level, but I don't know what the original and modified numbers mean. I have taken a photo of the only thing they sent.
Cheers.

PS: If you don't know, please don't bag them or make silly suggestions.
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post #9 of 40 Old 07-06-2018, 04:24 PM Thread Starter
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No Photos? trying again.
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post #10 of 40 Old 07-06-2018, 04:43 PM
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Quote:
Originally Posted by Diablo View Post
not sure why anyone would confuse them with racetech instructions, that makes no sense why you would even think that.

Kindly please read again what I said and it's clear the caution was based on the possibility of no instructions or preselected stack having been supplied.
Plus you now have a better understanding of the difference between Ohlins damping curve shaping as compared to some others, if you didn't already know.
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post #11 of 40 Old 07-06-2018, 05:06 PM
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Do you see any MotoGP teams using Andreani parts instead of Ohlins?

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post #12 of 40 Old 07-06-2018, 05:58 PM
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Quote:
Originally Posted by Diablo View Post
They say they developed them with Ohlins, for use with Ohlins fork springs, not a copy, and not sure why anyone would confuse them with racetech instructions, that makes no sense why you would even think that.


Anyway, they told me to do a straight swap with the OEM part, as per the paper in the pack, which is pretty vague to me, and in Italian.

They recommend Ohlins springs and Ohlins 5 fork oil at 130mm oil level, but I don't know what the original and modified numbers mean. I have taken a photo of the only thing they sent.
Cheers.

PS: If you don't know, please don't bag them or make silly suggestions.
OK, based just on the pictures presented it looks as though you have:
*New Compression Valve assemblies with prefitted shim stacks.
*Revised Rebound Valve Shim Stack sets.
*Tabulated info that gives you the shim stack sequencing, plus compares it to stock so you will be able to tell which one goes on first when you do the Rebound work, as well as the stack build comparisons to stock for both Compression and Rebound.
*A suggested Oil Level, and 130 is a good number to use for the nature of the build you are doing.
* A recommended oil viscosity and the 5W you stated makes sense.

It looks as though you are left on your own re spring rate and installed preload selections, but both are pretty straight forward to do.

As for instructions on how to do the compression revalving and rebound reshimming, their assumption is likely that whomever is buying the stuff already knows how to do it.
There may be a video you can free access from Racetech, if you need it.
You should be able to find something on YouTube.
Some years ago, zaq123 and/or rmb posted some excellent pictures and notes of 919 front fork cartridge revalving.
I don't remember the thread name.
See if you can find it here on WristTwisters.

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post #13 of 40 Old 07-07-2018, 07:08 AM
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Well, that didn't work... trying again

Nope. Stupid Tapatalk messing up my links.

https://www.wristtwisters.com/forums...#/topics/29480

Somebody tell me if that links to RMB's thread. It takes me to a completely different topic!

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post #14 of 40 Old 07-07-2018, 07:28 AM
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Quote:
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Well, that didn't work... trying again

Nope. Stupid Tapatalk messing up my links.

https://www.wristtwisters.com/forums...#/topics/29480

Somebody tell me if that links to RMB's thread. It takes me to a completely different topic!

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BINGO !!!

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post #15 of 40 Old 07-07-2018, 10:18 AM
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Quote:
Originally Posted by LDH View Post
Do you see any MotoGP teams using Andreani parts instead of Ohlins?
No, but how does that have anything to do with ordinary dudes like us riding around using 5% of bike's capability on the street?
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post #16 of 40 Old 07-07-2018, 01:06 PM Thread Starter
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Quote:
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Do you see any MotoGP teams using Andreani parts instead of Ohlins?
You seem to rubbish everything that you don't sell.
You might as well say if you need a car to get to work, and it's not a Ferrari then don't buy one because it's rubbish.
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post #17 of 40 Old 07-07-2018, 01:29 PM Thread Starter
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Thanks for all the help, I was unsure whether I should attempt this myself or not.
If it wasn't such an old model bike I would have bought better more expensive parts.
But I got the Ohlins shock, Ohlins springs and oil, and the valves for US$850
If I did the full Ohlins upgrade it would be more like US$2500 or more, and it's simply not worth it,
I only ride around the hills and country roads on nice sunny days, but it can be a bit bumpy on some corners.
I'm pretty sure the Andreani valves will be an economical improvement over stock, and that's all I'm looking for.

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post #18 of 40 Old 07-07-2018, 01:41 PM
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Quote:
Originally Posted by Diablo View Post
Thanks for all the help, I was unsure whether I should attempt this myself or not.
If it wasn't such an old model bike I would have bought better more expensive parts.
But I got the Ohlins shock, Ohlins springs and oil, and the valves for US$850
If I did the full Ohlins upgrade it would be more like US$2500 or more, and it's simply not worth it,
I only ride around the hills and country roads on nice sunny days, but it can be a bit bumpy on some corners.
I'm pretty sure the Andreani valves will be an economical improvement over stock, and that's all I'm looking for.
Looking forward to your report on the results!

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post #19 of 40 Old 07-07-2018, 02:47 PM Thread Starter
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Will do. My Ohlins are in the country, just have to pass through customs.
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post #20 of 40 Old 07-07-2018, 03:38 PM
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Quote:
Originally Posted by Ditch View Post
No, but how does that have anything to do with ordinary dudes like us riding around using 5% of bike's capability on the street?

Quote:
Originally Posted by Diablo View Post
You seem to rubbish everything that you don't sell.
You might as well say if you need a car to get to work, and it's not a Ferrari then don't buy one because it's rubbish.



It is nothing like that at all, but when it comes to suspension I only sell the best. As a test rider I got to ride pretty much every brand of suspension there is. The one that works the best for the ordinary dudes as well as the top racers in the world is Ohlins. They have the largest resources and information pool to work from. The reason I sell it is because I know when the customer gets it they are going to be happy and not constantly coming back to me to tweak this or change that because it doesn't work to their satisfaction.



I understand being on a budget and some people just want a little improvement over OEM. That's not really the kind of work I do. I don't like to make bikes just better, I like to make them excellent. Sometimes you do get what you pay for.
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post #21 of 40 Old 07-07-2018, 06:40 PM Thread Starter
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If I bought a new bike I'd most likely replace the whole forks with Ohlins,
although I'd like to get the the new Triumph Speed Triple RS, as it comes with the full Ohlins setup, and a beautiful torquey engine.
I understand what your saying, but you need to realise other people are not like you,
they're happy to spend a small amount for a small improvement, and it makes them feel better,
they have made their bike their own personal creation.

And it's too old a bike to spend thousands of hard earned dollars on,
and telling them they are stupid may make you happy, although why is beyond me,
I know by the amount of PM's I've received about your posts.
If I did what you recommend, it would cost more than I paid for the bike.
It's called compromising, we can't always be right, or always have what we want.

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post #22 of 40 Old 07-07-2018, 06:47 PM
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Quote:
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Will do. My Ohlins are in the country, just have to pass through customs.
Ahhh, so, by the picture you already had the springing all sorted out and sourced, as well as the oil.

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post #23 of 40 Old 07-07-2018, 07:29 PM Thread Starter
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Quote:
Originally Posted by mcromo44 View Post
Ahhh, so, by the picture you already had the springing all sorted out and sourced, as well as the oil.
Yes, I mentioned it earlier but I probably should have been clearer,
that basic kit cost me bang on US$700 and it's been only 2 weeks, probably 3 by the time I get them

I bought the valves on a whim, ebay can be dangerous when mixed with alcohol,
they were US$147.
It should be a good compromise, while the handling is OK, it's that pogo stick effect I get on some bumps that I don't like.
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post #24 of 40 Old 07-08-2018, 11:32 PM Thread Starter
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They sent me Ohlins 10 wgt fork oil, should I use 5 wgt instead?
The valves said 5 wgt at 130mm and 5 is usually recommended on here with 140 or 125mm.
But I can't get Ohlins fork oil anywhere here, but there are other good full synthetic ones available.
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post #25 of 40 Old 07-09-2018, 06:16 AM
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Suggest you check with Andreani to be sure, but it sounds as though they sent you the wrong oil.
I've never heard of a revalve using 10W oil, only lighter.

If you can't get timely confirmation from Andreani, I'd be inclined to try a good synthetic 5W or ISO equivalent instead of what came in the box.

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post #26 of 40 Old 07-09-2018, 07:51 AM
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Why do you post pics of everything except the actual bottle of fork oil we need to see...


Ohlins doesn't select oil on Weight, they use a different index of kinematic viscosity. If you try to substitute a different oil it will NEVER work properly. I deal with this every single week when someone uses a halfass suspension tuner & they use their own favorite brand of fork oil instead of what is specified by Ohlins and they cannot figure out why the bike no longer handles the same.


The real question is what oil does Andreani spec to work with their valve stack? Ohlins uses 1309 series oil at 19cSt for ALL their fork products.
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post #27 of 40 Old 07-09-2018, 08:40 AM
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Quote:
Originally Posted by LDH View Post
Why do you post pics of everything except the actual bottle of fork oil we need to see...


Ohlins doesn't select oil on Weight, they use a different index of kinematic viscosity. If you try to substitute a different oil it will NEVER work properly. I deal with this every single week when someone uses a halfass suspension tuner & they use their own favorite brand of fork oil instead of what is specified by Ohlins and they cannot figure out why the bike no longer handles the same.


The real question is what oil does Andreani spec to work with their valve stack? Ohlins uses 1309 series oil at 19cSt for ALL their fork products.
That picture of the fork oil container could be very telling.
Not lost on me is the Andreani spec sheet calling out 1309-01 and my guess is the "-01" suffix means one of in a litre size container.
I'd also expect, right or wrong, that any bottled fork oil coming out of Italy would be ISO graded and not SAE.
In addition, maybe someone has done an incorrect conversion and the oil supplied is actually correct.
Anyway, like LDH said, let's see the pic'.

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post #28 of 40 Old 07-09-2018, 01:13 PM Thread Starter
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Quote:
Originally Posted by LDH View Post
Why do you post pics of everything except the actual bottle of fork oil we need to see...


Ohlins doesn't select oil on Weight, they use a different index of kinematic viscosity. If you try to substitute a different oil it will NEVER work properly. I deal with this every single week when someone uses a halfass suspension tuner & they use their own favorite brand of fork oil instead of what is specified by Ohlins and they cannot figure out why the bike no longer handles the same.


The real question is what oil does Andreani spec to work with their valve stack? Ohlins uses 1309 series oil at 19cSt for ALL their fork products.
That makes sense, I was expecting a 5 on the bottle, but it has a 10.

And I asked because I suspected what you have said may be the case.
I'll take a picture when I get to work, where I left the oil.
Also the springs may be a bit light for me, I'm 200 lb's and the spring looks like an 85 and the shock a 180, do you think it make a huge difference.

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post #29 of 40 Old 07-09-2018, 01:23 PM
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180 on the shock spring is perfect for you.



Fork springs are likely ok at 85 as well or close enough for what you want to do anyway
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post #30 of 40 Old 07-09-2018, 03:21 PM Thread Starter
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This the bottle they sent.
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post #31 of 40 Old 07-09-2018, 03:42 PM
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Yea, that might be ok in an OEM fork with no revalve etc, but it will not work with an Ohlins Valve & Stack and I doubt it would work with the Andreani valve & stack (if, they really did create with Ohlins input).

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post #32 of 40 Old 07-09-2018, 04:52 PM Thread Starter
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Quote:
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Yea, that might be ok in an OEM fork with no revalve etc, but it will not work with an Ohlins Valve & Stack and I doubt it would work with the Andreani valve & stack (if, they really did create with Ohlins input).
Yes, it's a different part no. 01314-1 instead of 01309-1
They were quite specific that the valves be used with Ohlins springs and oil.
I don't want to do it unless it's right.
I'm going to replace all the bushes, seals and O rings at the same time, although I have compromised with the valves, maybe I fell for their advertising, but they are a major Ohlins distributor so I doubt Ohlins would let them get away with using their name.
The thing is, I wont know if the valves do anything at all as the Ohlins springs and oil will surely improve things, and at the end of the day, I'm just another mug rider with nothing to compare it to.
I'll just wait until I can source the correct oil.
Thanks for the help, I appreciate you sharing your knowledge.
My local Ohlins guy wont help, he only wants to modify the damping and put stiffer springs in, wont tell me the brand, says it doesn't matter they're all the same, and only modify the damping on the rear.
And charge me what I paid for the Ohlins set.

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post #33 of 40 Old 07-12-2018, 02:55 PM Thread Starter
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I can not get any Ohlins oil here is Aus.
All the race teams use Ohlins suspension but Motul oils,
even the distributors told me to use Motul instead.
Ohlins have it in stock but don't sell to the public, and no one wants to order a whole case in just to sell me 1 bottle.
So I'm using Motul factory line light, it has a cSt of 18.3
compared to Ohlins 19.
When you live in a place the size of the US with only 24 million people, choice is limited.
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post #34 of 40 Old 07-12-2018, 03:15 PM
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Quote:
Originally Posted by Diablo View Post
I can not get any Ohlins oil here is Aus.
All the race teams use Ohlins suspension but Motul oils,
even the distributors told me to use Motul instead.
Ohlins have it in stock but don't sell to the public, and no one wants to order a whole case in just to sell me 1 bottle.
So I'm using Motul factory line light, it has a cSt of 18.3
compared to Ohlins 19.
When you live in a place the size of the US with only 24 million people, choice is limited.
You are making it work.

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post #35 of 40 Old 07-12-2018, 06:52 PM Thread Starter
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Quote:
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You are making it work.
I'm learning as I go, I've replaced and serviced a lot of forks, but never attempted anything like this.
I have no idea what to do with the shims they sent, so will just do a straight swap. That was all they said when I asked them.
I found a handy youtube video, it's for the 600 Hornet, but I think they are the same. Doesn't mention valves though.
How to change fork seals in traditional (right way up) Forks.


https://ruvid.net/video/how-to-chang...CYIEcDcts.html

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post #36 of 40 Old 07-12-2018, 07:24 PM
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Quote:
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I'm learning as I go, I've replaced and serviced a lot of forks, but never attempted anything like this.
I have no idea what to do with the shims they sent, so will just do a straight swap. That was all they said when I asked them.
I found a handy youtube video, it's for the 600 Hornet, but I think they are the same. Doesn't mention valves though.
How to change fork seals in traditional (right way up) Forks.


https://ruvid.net/video/how-to-chang...CYIEcDcts.html
See the table that came with the kit.
See how the shims are listed and arranged.
While Racetech for example tables shims on the basis of Thickness X OD, your list is clearly opposite.
The largest OD goes up to the piston face.
So knowing that, plus realizing you don't have any shims of the same OD with different thicknesses, means you can super easily build your stacks purely by the ODs of the shims.
You're further along than you thought.

I trust you have gone over rmb's thread about doing the piston and shim fitting work.

As for your still learning, those that aren't have already started a slow death, realized or not.

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post #37 of 40 Old 07-13-2018, 10:12 AM
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The Ohlins 20mm FPK kits I both use and sell come pre-assembled ready to slide directly on
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post #38 of 40 Old 07-13-2018, 02:39 PM Thread Starter
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Now I completely understand your skepticism LDH
Why would Ohlins help develop something that will be in competition to it's own product?
Perhaps being an Ohlins distributor, they saw a chance to move one of their own products?
All I could find available here was Ohlins cartridge and top of the line shock, and it cost almost as much as I paid for the bike.
How much would those valves cost btw?

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post #39 of 40 Old 07-13-2018, 03:01 PM
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Around $250 USD

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post #40 of 40 Old 07-13-2018, 04:40 PM Thread Starter
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Quote:
Originally Posted by LDH View Post
Around $250 USD
I have requested a refund from the ebay seller.
Your Ohlins are twice the price but it includes the rebound valve as well as compression,
so it seems a good deal.
If I can get the refund I'll order from you.
Thanks.

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