Stem sliding locking device leak
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Hooked
2016 MP3 500cc Sport ABS
Joined: 01 Dec 2009
Posts: 305
Location: Lombard, Il
Mon Feb 03, 2020 7:42 am quote
I'm looking for advices,

I was checking the scooter yesterday when I noticed excessive oil around the left "sliding locking device".

Each time I activate the roll lock, I see oil coming out of it. It has never happened before and the right side one does not leak at all.
My question: Is there something I can do to prevent this part from leaking or I need to replace it...period?

IMG_6477.jpg
Here is the culprit after I cleaned it.

Hooked
2009 MP3 400
Joined: 11 Jun 2007
Posts: 108
Location: Sayre, PA
Mon Feb 03, 2020 9:53 am quote
The parts diagram only shows the complete assembly.

I would bet that it's just an o-ring that is leaking. If it were me I'd try to disassemble it and see if I could replace the rubber. If not, then you replace it.

part#601727 Not inexpensive.

If it's leaking, it won't be long before the tilt-lock starts beeping at you because of low fluid.
Ossessionato
2016 MP3/500 Sport ABS, 2009 MP3/250, 2012 GTS Super 300ie
Joined: 08 Jul 2011
Posts: 4265
Location: Marietta, GA
Mon Feb 03, 2020 11:18 am quote
I would check ebay, I thought I saw a set posted a few days ago.

Keith,
Marietta, GA
Hooked
2016 MP3 500cc Sport ABS
Joined: 01 Dec 2009
Posts: 305
Location: Lombard, Il
Mon Feb 03, 2020 1:08 pm quote
pmatulew wrote:
The parts diagram only shows the complete assembly.

I would bet that it's just an o-ring that is leaking. If it were me I'd try to disassemble it and see if I could replace the rubber. If not, then you replace it.

part#601727 Not inexpensive.

If it's leaking, it won't be long before the tilt-lock starts beeping at you because of low fluid.
Yes, I'm not using the roll lock right now to avoid having this lovely horn signal going off.

Any idea if it's easy to disassemble ? I saw some for sale on e-bay for about $80 otherwise.
Veni, Vidi, Posti
2008 MP3 500, 2013 BV350, 2020 Vespa Sei Giorni
Joined: 13 Oct 2012
Posts: 7886
Location: Ashburn, Va. Home to the Internet
Mon Feb 03, 2020 1:22 pm quote
Don't buy used, you don't know how old they are and could do the same thing shortly.
Veni, Vidi, Posti
2008 MP3 500, 2013 BV350, 2020 Vespa Sei Giorni
Joined: 13 Oct 2012
Posts: 7886
Location: Ashburn, Va. Home to the Internet
Mon Feb 03, 2020 1:27 pm quote
$68 at www.motorcyclespareparts.eu plus $35 shipping. Buy some other stuff to make it worth the shipping. It's $35 flat rate. So load up on spares.
I bought crash bars, windscreen and other stuff and shipping was only $35.

https://www.motorcyclespareparts.eu/en/piaggio-parts/601727
Hooked
2015 MP3 500 ie Business
Joined: 29 Oct 2019
Posts: 123
Location: Belgium
Mon Feb 03, 2020 1:49 pm quote
Re: Stem sliding locking device leak
reticulum wrote:
...
Each time I activate the roll lock, I see oil coming out of it. It has never happened before and the right side one does not leak at all.
My question: Is there something I can do to prevent this part from leaking or I need to replace it...period?
The only permanent fix is to replace the unit, BUT you can minimize the wear on the tilt lock system by minimizing its use.

In other words, use the centerstand as much as possible and unlock the tilt lock before turning off the bike.

This will help prolong the life of the tilt lock system since there will no pressure.
Hooked
2009 MP3 400
Joined: 11 Jun 2007
Posts: 108
Location: Sayre, PA
Mon Feb 03, 2020 3:24 pm quote
Haven't had a reason to take mine apart yet. Bleeding the system is enough of a chore that I'm not going to do it just for fun either.
Ossessionato
Gilera Fuoco 500ie
Joined: 11 Oct 2009
Posts: 4084
Location: Netherlands Olst
Wed Feb 05, 2020 1:03 am quote
no need to buy new ones just take the rubbercap off push it in a few times and wipe it dry

its a pressure valve there only some dirt between it
Hooked
2016 MP3 500cc Sport ABS
Joined: 01 Dec 2009
Posts: 305
Location: Lombard, Il
Wed Feb 05, 2020 9:12 am quote
Maksor wrote:
no need to buy new ones just take the rubbercap off push it in a few times and wipe it dry

its a pressure valve there only some dirt between it
Oh really? I'll try that and hopefully it will work.
Ossessionato
2016 MP3/500 Sport ABS, 2009 MP3/250, 2012 GTS Super 300ie
Joined: 08 Jul 2011
Posts: 4265
Location: Marietta, GA
Thu Feb 06, 2020 6:49 am quote
Maksor wrote:
no need to buy new ones just take the rubbercap off push it in a few times and wipe it dry

its a pressure valve there only some dirt between it
That's a new one for me...
Never had the problem, but will make a note on this one.
Maksor to the Rescue ;o)

Keith,
Marietta, GA
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