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 Seat damper upgrade?

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badaboum
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PostSubject: Seat damper upgrade?   Fri 06 Dec 2013, 09:20

Hey,

On my Burgman 400, I had found on a forum a mod that consisted in changing the damper to a model that allowed almost a 90° opening.

No change to the hoist point, just a swap of the damper

Does anyboby tried that on the Silverwing?

Cheers

Honda damper is 83590-MCT-003
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Cosmic_Jumper
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PostSubject: Re: Seat damper upgrade?   Sat 07 Dec 2013, 10:09

Umm, No, but would you happen to know the sizes of the OEM and that 90° seat lift for the Burgy? I agree that it sure would be nice to have the seat open a lot further than is does.

Tim
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Old Limey
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PostSubject: Re: Seat damper upgrade?   Sat 07 Dec 2013, 12:11

Somebody did change the seat damper,( they did pictures) I changed mine as well. It must be somewhere in the achives Smile 
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Cosmic_Jumper
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PostSubject: Re: Seat damper upgrade?   Sat 07 Dec 2013, 18:06

Old Limey wrote:
Somebody did change the seat damper,( they did pictures)  I changed mine as well. It must be somewhere in the achives Smile 
You may be thinking of Hotwings' eBay seat strut upgrade, or HondaSilver's post about seat strut he got from McMaster-Carr. But none of those aftermarket struts raise up anywhere near 90°.

Does anyone have any further info on that high rise strut?

Tim
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hotwings
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PostSubject: Re: Seat damper upgrade?   Sun 08 Dec 2013, 06:26

I dont think getting the seat to raise to 90° could be easily done! The strut length is limited by the distance between the mounting points! I did change the oem strut, but only because it was weakening and would just barely keep the seat opened. Personally the opened seat seems adequate to access anything stored below!
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woodworker
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PostSubject: Re: Seat damper upgrade?   Sun 08 Dec 2013, 07:35

Never known why most scooter seats including the silverwing do not open sideways ,like on the Honda swing 125cc. Much better access to all your gear . Smile 
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badaboum
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PostSubject: Re: Seat damper upgrade?   Sun 08 Dec 2013, 15:43

Sorry for the delay

Here is the link to the french forum where I found my upgrade of the 400 burgman to a ''longer'' damper that allowed almost a 90° opening

http://www.burgman-mania.com/t3038p15-changer-le-verin-de-la-selle

The damper was exact same size when ''retracted'' but goes a bit more when extracted

It's a swap task, no tools needed

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Cosmic_Jumper
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PostSubject: Re: Seat damper upgrade?   Sun 08 Dec 2013, 18:16

Thanks for the link. Unfortunately it looks as if you've got to be a forum member, as well as be conversant in French, to view any of the information there.

Tim
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badaboum
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PostSubject: Re: Seat damper upgrade?   Mon 09 Dec 2013, 05:42

I can extract the data if you need..

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Cosmic_Jumper
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PostSubject: Re: Seat damper upgrade?   Mon 09 Dec 2013, 09:42

badaboum wrote:
I can extract the data if you need..

Yes, thank you. Manufacturer's name, part number, size measurement, and a link to purchase would be very helpful.

Tim
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badaboum
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PostSubject: Re: Seat damper upgrade?   Mon 09 Dec 2013, 09:56

ON the burgman here is a picture of the old and new damper



And a video




The new one is clearly longer

I purchased mine on a french website

http://www.centreautodiscount.com/verin-a-gaz-avec-chapes-soudees.htm

THe model is PM7 with a force of 300 N


I am wondering if we could not do the same upgrade on the Silverwing.

If I have the OEM data such a : length, course, force and diameter I can pick us a new one that has a stronger force and a longer course...

What do you think?
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hotwings
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PostSubject: Re: Seat damper upgrade?   Mon 09 Dec 2013, 11:45

badaboum wrote:
I can extract the data if you need..






Sounds like a covert affair. Best way to extract the required documentation is to infiltrate their ranks! If that doesnt work use the cover of darkness at night!     Laughing 
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badaboum
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PostSubject: Re: Seat damper upgrade?   Mon 09 Dec 2013, 17:29

Thanks

That would cost us nothing doing a try and trying to see if a replacement longer damper exits..

worst case scenario = il loose 37€...

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Papa Ritch
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PostSubject: Re: Seat damper upgrade?   Tue 10 Dec 2013, 22:41

woodworker wrote:
Never known why most scooter seats including the silverwing do not open sideways ,like on the Honda swing 125cc. Much better access to all your gear .  Smile 

My Reflex is that way, much better.

How far will the seat open with out the damper? If it get up close to 90 deg. , remove the damper and uses a stick.
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badaboum
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PostSubject: Re: Seat damper upgrade?   Wed 11 Dec 2013, 07:52

Yeah but the stick is realy not good for day to day use.

It's not that bad for maintenance work, but for day to day..

Anyone has an idea how to get all the dimensions and force of the damper?
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Cosmic_Jumper
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PostSubject: Re: Seat damper upgrade?   Wed 11 Dec 2013, 10:49

The seat strut body is 15MM diameter and 165 MM long (from eyelet center), the shaft extends 12MM from the strut body end to the eyelet center, the total extended length is 280MM from eyelet to eyelet centers. All measurements are approximate. I also read somewhere that the total force of the strut is 5kg.

Tim
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badaboum
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PostSubject: Re: Seat damper upgrade?   Wed 11 Dec 2013, 10:57

ok

So lets use the image from the website:



If I got it well,

Strut diameter = 15
Course = 280-165 = 115
E = Longeur = 280

Weight of 9 kg = 900 N
(1 kg = 10 N)

Do you have an idea of the diameter of the rod (not the body)
(on above picture its 8mm)
Can you confirm my interpretation is correct?
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Cosmic_Jumper
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PostSubject: Re: Seat damper upgrade?   Wed 11 Dec 2013, 13:53

Your interpretation is correct. The shaft diameter is 6 mm, the strut body is 145 mm long without the eye, and the eye diameter is 8 mm

I could be wrong about the 9 kg lifting weight for the OEM seat strut. The markings on the strut are "SHOWA 5 k 09" --if that helps.
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badaboum
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PostSubject: Re: Seat damper upgrade?   Thu 12 Dec 2013, 01:36

ok, and the total extended lenght is 280 (eye to eye)?

About the Force, we need to dig more..

Thanks
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Cosmic_Jumper
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PostSubject: Re: Seat damper upgrade?   Thu 12 Dec 2013, 08:41

Yes, approximately 280 mm, eye to eye. Regarding the lift force; as far as I know it's either 5 kg or 9 kg. But which ever it is it is insufficient to support the seat if the seat has any upgrades --like a raised butt rest-- or if a butterfly should land on it.

I can't see how another seat strut could mount at the same locations and raise the seat higher unless the rod has multiple sections --like an umbrella handle.
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badaboum
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PostSubject: Re: Seat damper upgrade?   Thu 12 Dec 2013, 09:44

I need to be sure about the ''course'' of the strut

It needs to be measured from the top of the body till the begining of the eye of the rod..

Cheers
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john grinsel
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PostSubject: Re: Seat damper upgrade?   Thu 12 Dec 2013, 09:47

simple fix= take damper off----use paint mixing stick to prop up seat at just about any angle you want---works great if you have added junk to make stock seat weigh more
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Cosmic_Jumper
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PostSubject: Re: Seat damper upgrade?   Thu 12 Dec 2013, 10:09

badaboum wrote:
I need to be sure about the ''course'' of the strut It needs to be measured from the top of the body till the begining of the eye of the rod..Cheers

As above, 115 mm +\- 2%
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badaboum
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PostSubject: Re: Seat damper upgrade?   Thu 12 Dec 2013, 10:27

Ok then there is no change we found a strut that has the same body size and a longer rod extension..

Shame..

Here are the only one that are close

Pm5
Course = 100
Body = 285

Pm6
Course = 120
Body = 325




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wobble
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PostSubject: Re: Seat damper upgrade?   Fri 24 Jan 2014, 07:10

Just replaced mine with one from China:
a11093000ux0431 20kg Force Gas Strut Shock Spring Lift Support Rod 11.4

Purchased from www.sourcingmap.com £8 delivered in 10 days. % minute replacement job. Well chuffed.
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badaboum
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PostSubject: Re: Seat damper upgrade?   Fri 24 Jan 2014, 08:59

Did you had an improvement in seat openning range?
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wobble
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PostSubject: Re: Seat damper upgrade?   Fri 24 Jan 2014, 16:47

No difference in opening range, merely replacing worn out item. As others have said, I doubt you can open seat further due to mounting points, but then I've always found opening large enough.
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jenisaswnut
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PostSubject: Re: Seat damper upgrade?   Fri 21 Feb 2014, 19:42

Thank you, wobble, for posting the site that has the damper/opener. I came really close to paying $30 for the OEM part...but now, I am thinking of going to the place where you got yours. They only want $13.29 for their part.
How is it holding up for you? Are you happy with the damper? Would you buy it again or would you go OEM for twice the money? Thanks for your advise.
Sincerely,
jenisaswnut
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wobble
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PostSubject: Re: Seat damper upgrade?   Sat 22 Feb 2014, 14:25

Probably better than OEM to be honest.
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PostSubject: Re: Seat damper upgrade?   Sun 23 Feb 2014, 08:09

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model28a
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PostSubject: Re: Seat damper upgrade?   Sun 23 Feb 2014, 11:40

Thanks Glenn that link goes in my favorites.  Cool 
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oli18
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PostSubject: Re: Seat damper upgrade?   Wed 07 May 2014, 02:10

wobble wrote:
Just replaced mine with one from China:
a11093000ux0431     20kg Force Gas Strut Shock Spring Lift Support Rod 11.4

Purchased from www.sourcingmap.com £8 delivered in 10 days. % minute replacement job. Well chuffed.

Just wanted to give this a bump after I just replaced mine - good fast service and a really strong bit of force - more than I expected!

Thanks Wobble!

Oli
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HORNBLOWER
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PostSubject: Re: Seat damper upgrade?   Sun 20 Jul 2014, 04:21

wobble wrote:
Just replaced mine with one from China:
a11093000ux0431     20kg Force Gas Strut Shock Spring Lift Support Rod 11.4

Purchased from www.sourcingmap.com £8 delivered in 10 days. % minute replacement job. Well chuffed.

Thanks for posting this Wobble! I ordered one and it has just turned up. It looks good but the chrome on the shaft was a little rough so I polished it and it is now smooth so hopefully won't rub the seals and wear out quickly. The only problem was it took 2 ½ months to turn up!!! But seeing as the scooter has been off the road most of that time due to hitting a massive pothole it wasn't a problem.
I guess I will be able to put my trunk light bulb back in now coz the seat will lift rather than staying down but unlocked and flatten the battery.
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