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 Post subject: Shock upgrade
PostPosted: Sat Nov 11, 2017 9:07 pm 
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I was intrigued by the shock upgrade articles referenced here and then came across this:

https://www.youtube.com/watch?v=MZRL7EyF1aU&app=desktop

It's in a foreign language but beautifully presented by a fine mechanic,

The key here is that only one body panel is removed in the process - simple! No exhaust removal and no luggage compartment extraction is required,

I followed the above instructions in upgrading to YSS shocks on my 2013 PCX 150, adding some technical information and converting to a slide show which some may find more helpful than a video.

http://www.pindelski.com/Honda%20PCX%20 ... pgrade.pdf

45 minutes if you are not taking photographs. And boy, is it worth it!

Enjoy!


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 Post subject: Re: Shock upgrade
PostPosted: Sat Nov 11, 2017 10:53 pm 
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This is one of the finest how-tos I've seen here. Might one of the mods slide this beauty into its rightful place in the pantheon of knowledge (ie - the PCX How-To section)?

Thanks, Thomaspin.

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 Post subject: Re: Shock upgrade
PostPosted: Sat Nov 11, 2017 11:03 pm 
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Great guide, it should be helpful to those that haven't done any mechanical work. Great pictures also.

Gil

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 Post subject: Re: Shock upgrade
PostPosted: Sat Nov 11, 2017 11:18 pm 
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Top quality.

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 Post subject: Re: Shock upgrade
PostPosted: Sun Nov 12, 2017 4:01 am 
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Great work Thomas,
One comment though. You got the spring preload explanation reversed. Shocks have the least preload when the ring is at the top, and as one compresses it it will have a higher preload setting. Also not to mix preload with ride stiffness. Adding preload sets the initial spring tension and sag (the initial squash of the suspension when you sit on the bike), but the spring characteristics stays the same. Firmer ride is provided by a firmer spring.


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 Post subject: Re: Shock upgrade
PostPosted: Sun Nov 12, 2017 7:05 am 
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Oyabun wrote:
Great work Thomas,
One comment though. You got the spring preload explanation reversed. Shocks have the least preload when the ring is at the top, and as one compresses it it will have a higher preload setting. Also not to mix preload with ride stiffness. Adding preload sets the initial spring tension and sag (the initial squash of the suspension when you sit on the bike), but the spring characteristics stays the same. Firmer ride is provided by a firmer spring.

X2


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 Post subject: Re: Shock upgrade
PostPosted: Sun Nov 12, 2017 8:41 am 
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Thanks!

Seems like a real time saver. Slow and deliberate removal of the panels and disengagement of the tabbed areas results in no cracks or damage.

I've been thinking lately about what my next set of shocks will be when the OEM set wears out and the amount of work I'll have to do to replace them. 8)


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 Post subject: Re: Shock upgrade
PostPosted: Sun Nov 12, 2017 10:43 am 
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easyrider wrote:
Oyabun wrote:
Great work Thomas,
One comment though. You got the spring preload explanation reversed. Shocks have the least preload when the ring is at the top, and as one compresses it it will have a higher preload setting. Also not to mix preload with ride stiffness. Adding preload sets the initial spring tension and sag (the initial squash of the suspension when you sit on the bike), but the spring characteristics stays the same. Firmer ride is provided by a firmer spring.

X2


3.

And maybe just remove and refit one shock at a time?

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 Post subject: Re: Shock upgrade
PostPosted: Sun Nov 12, 2017 10:49 am 
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I have corrected the error concerning the preload settings. Thank you for pointing that out.


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 Post subject: Re: Shock upgrade
PostPosted: Tue Nov 14, 2017 12:01 am 
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 Post subject: Re: Shock upgrade
PostPosted: Tue Nov 14, 2017 1:36 pm 
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It reminds me of how I installed our replacement shocks. I think I did it just about the same way. However, I found a way to take the pressure off of the shocks by throwing adjustable tie downs over the I-beams in our basement and connecting them to the frame near where the shocks connect. That also made it more stable during the upgrade, and a lot easier to work on.

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 Post subject: Re: Shock upgrade
PostPosted: Mon Nov 27, 2017 11:34 am 
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Whoa, Well done. I had made the tutorial for the French forum but yours is tops!

Question, so adding more Preload for lighter weights? Is this correct? I'm puzzled because i thought more preload for more weight? No wonder mine felt like wood, i had them almost at the top. I have to change my settings...


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 Post subject: Re: Shock upgrade
PostPosted: Wed Nov 29, 2017 11:13 am 
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Add preload for heavier loads....

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 Post subject: Re: Shock upgrade
PostPosted: Wed Nov 29, 2017 6:53 pm 
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Jge64 wrote:
Add preload for heavier loads....


X2. But to be honest there is more to it than that. At least you’ll be going in the right direction

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 Post subject: Re: Shock upgrade
PostPosted: Thu Nov 30, 2017 12:04 pm 
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Well that's what i thought too. More preload x more weight. But when i reduce it (Im 90kgs all gear on) bike is really not confy and shocks seem to lock, (bottoming?) when i add more at least i feel suspension work but still not confy! Bloody YSS... Mine seem to be OK only when riding in duo and yet they are XL size, so meant for 90 Kg! Never had that with my former pcx with G series...


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