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scagliog
Montanarolo
Montanarolo
scagliog

Posts : 24
Join date : 2018-10-20

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PostSubject: Mupo Shock   Mupo Shock Icon_minitime1Mon Mar 23, 2020 3:46 pm

Greetings!

old topic! Or new topic for anybody that has not done the suspension upgrade!
Being about 200lb with gear I started feeling the bumps on my GRiSO 2017SE. Cranked the pre-load, and played with the rebound and compression as many posts here report -- some improvement.

I was about to pull the trigger on Matris K series when I found the Mupo...

-- Anybody has experience with the Mupo rear shock on a GRiSO??

I found some really good prices... but still very comparable to a Matris K. I do not think I need or would appreciate the Matris R.... -- I am a road only mildly 'aggressive' driver Smile -- doing 3 or 4 trips per year of 2 days, but mainly twisters around the hills where I live.

MUPO AB1 less than $800 with shipping to US CA.

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or
MUPO AB1 EVO.. about $850 with shipping to US CA
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Also -- how hard is it to install it yourself??? I can manage to get the bike up and steady.. Do I need any special tools???

Thank you!
Giuseppe
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paulbrice
GRiSO Capo
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paulbrice

Posts : 840
Join date : 2015-01-04
Age : 59

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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Tue Mar 24, 2020 3:14 am

Hi Giuseppe...can't talk to MUPO performance (I fitted Matris K) but there are lots of threads about fitting methods - none require 'special tools' but just different ways of jiggling and deciding best size standard spanners will fit tight places. It's either top-down that IMHO risks upsetting wiring runs & plastic fittings & PITA getting the airbox inlet rubbers off/on  OR bottom up which is a PITA wiggling shock in/out with various levels of removal (wheel, exhaust) and support stand height options depending how big the shock is. In past I've managed to fit a stelvio std shock bottom up despite it's lot harder to wriggle as it's longer. Believe you can also drop the shock all the way out the bottom if you can get the bike high enough & remove dog-bone (which can be a problem). Check the threads and can PM me if you want a write-up on doing mine (PDF)...no guarantee it's best practice but works for me.

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scagliog
Montanarolo
Montanarolo
scagliog

Posts : 24
Join date : 2018-10-20

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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Tue Mar 24, 2020 11:58 am

Thank you so much.... seems quite involved.. will look at threads on this forum then ... I will probe any local mechanics if they are familiar with this type of work....
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Pete Roper
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Posts : 7031
Join date : 2013-05-29
Age : 63

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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Tue Mar 24, 2020 12:05 pm

While it may appear complex it's really pretty straightforward. If it hasn't been done yet fitting a new shock is the ideal time to pull the swingarm for greasing of the shock linkage and swingarm bearings so you can kill two birds with the one stone.
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scagliog
Montanarolo
Montanarolo
scagliog

Posts : 24
Join date : 2018-10-20

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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Tue Mar 24, 2020 12:11 pm

yea that was my goal! I heard that at the factory they dont seem to put a lot of grease...

I will go thru the service manual as well...

Giuseppe
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scagliog
Montanarolo
Montanarolo
scagliog

Posts : 24
Join date : 2018-10-20

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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Tue Mar 24, 2020 1:35 pm

In the service manual I see :
Special Tool 05.91.26.30 for the fork pin ring nut -clutch hub... to take the swing arm out and do the proper greasing.... that I would have to track down.

Giuseppe
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Pete Roper
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Pete Roper

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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Tue Mar 24, 2020 1:57 pm

Nah, you can easily unwind the spindle with a 'C' spanner.
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scagliog
Montanarolo
Montanarolo
scagliog

Posts : 24
Join date : 2018-10-20

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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Tue Mar 24, 2020 3:22 pm

Would this work:

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Thank you sir!
Giuseppe
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Pete Roper
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Pete Roper

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Age : 63

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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Tue Mar 24, 2020 4:16 pm

Nah. I'll have to find a pic.

Like this.

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Birch
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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Sat Apr 04, 2020 7:42 pm

Have had the Mupo for a couple years now and it is a HUGE improvement dialed in for my 105kg fat arse.

Now to do something to the front.
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Brent S
Grignapoco
Grignapoco
Brent S

Posts : 180
Join date : 2015-10-19

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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Sat Apr 04, 2020 8:30 pm

Birch wrote:
Have had the Mupo for a couple years now and it is a HUGE improvement dialed in for my 105kg fat arse.

Now to do something to the front.

If you have the means, Matris fork cartridges. They tend to be at the stiffer end of the range in terms of spring rate, so likely better for a more, err, larger-framed gentleman if you will. Got them on my GRiSO and had to wind off all the preload and several clicks of compression damping to make them work. Quality of construction etc is very high if the many internet reports are any guide.
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usedtobefast
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usedtobefast

Posts : 184
Join date : 2018-08-28

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PostSubject: Re: Mupo Shock   Mupo Shock Icon_minitime1Sun Apr 05, 2020 10:29 am

Birch wrote:
Have had the Mupo for a couple years now and it is a HUGE improvement dialed in for my 105kg fat arse.

Now to do something to the front.

The fork is actually very nice (with poor choice of valving).  And since it is Showa any suspension shop used to Japanese bikes should be able to put in proper springs and change the valving.  It is the same fork as a 2006 Suzuki GSXR 600/750.  Well, Suzuki went with different valving, but same model Showa fork.  

Or be thrifty and do it yourself. Smile

My self re-valve was ~$15 (I did not need new springs, that was shims and oil).  I've been very happy with it.

IMO, the fork internals are good, no need to gut it and spend $1000+ on new internals.  

Link to my revalve thread if interested: [You must be registered and logged in to see this link.]
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