Rear brake pad replacment on mp3 500
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Hooked
Joined: 27 Oct 2016
Posts: 220
Location: England
Fri Dec 14, 2018 7:03 am quote
For everyone else on here that has done this job.
I feel your pain.
OMG couldn't they have made it a bit more difficult if they tried.
Hooked
Piaggio MP3 250, BigBeo
Joined: 30 May 2015
Posts: 134
Location: Chelyabinsk, Russia
Fri Dec 14, 2018 8:52 am quote
Can you tell more? I guess my BigBeo's brake caliper is located same way on same place, but I see no problems...
Enthusiast
MP3 500
Joined: 01 Jun 2015
Posts: 71
Location: South Louisiana
Fri Dec 14, 2018 10:29 am quote
Rear brake pad replacment on mp3 500
Which screws did you take off??
I need to do this on my 2009 MP3 500 and tried once, but put it off till after Christmas.
In the book it shows two screws outside of the two screws that hold the pads in place, but mine does not have them there. That would have been just to easy I guess. I could have just started taking off all the bolts until I got the right ones, but my experience with this method has caused me much grief!
I have changed these pads on my old 2009 MP3 by forcing the new pads back up into the caliper without ever removing it. I don't want to go through that a second time.
Hooked
Joined: 27 Oct 2016
Posts: 220
Location: England
Wed Dec 19, 2018 3:35 am quote
You need to take the exhaust off. Side of the rear swinging arm to allow the wheel to come off.

Then air-box mounts need to be loosened to allow access to the caliper mounting plate.

Compared to the front its a bit of a ball ache. Just to replace pads.

A handy person could do it, just quite a bit to be done.

I found using the foot peddle as well as brake lever helpful to get a good bleed.

Last edited by Brasseye on Wed Dec 19, 2018 7:48 am; edited 1 time in total
Hooked
Piaggio MP3 250, BigBeo
Joined: 30 May 2015
Posts: 134
Location: Chelyabinsk, Russia
Wed Dec 19, 2018 3:41 am quote
Ah, yep, the airbox... it is under the topcase in my Beo. Instead I have to remove the front wheels to replace the pads on mp3 250. The calipers can't be removed from brake disks if the wheels are on their places.
Hooked
Joined: 27 Oct 2016
Posts: 220
Location: England
Thu Dec 20, 2018 4:43 am quote
Just to mention.
Be very careful when refitting the wheels the torque required is very low as the hub material is very soft and easy to strip the threads.
Hooked
Piaggio MP3 250, BigBeo
Joined: 30 May 2015
Posts: 134
Location: Chelyabinsk, Russia
Thu Dec 20, 2018 9:32 am quote
Refitting wheels is the best reason to buy a torque wrench
Hooked
Joined: 27 Oct 2016
Posts: 220
Location: England
Fri Dec 21, 2018 12:02 am quote
Re: Rear brake pad replacment on mp3 500
Cajun Stump wrote:
Which screws did you take off??
I need to do this on my 2009 MP3 500 and tried once, but put it off till after Christmas.
In the book it shows two screws outside of the two screws that hold the pads in place, but mine does not have them there. That would have been just to easy I guess. I could have just started taking off all the bolts until I got the right ones, but my experience with this method has caused me much grief!
I have changed these pads on my old 2009 MP3 by forcing the new pads back up into the caliper without ever removing it. I don't want to go through that a second time.
There are two pins with Allen key heads that retain the pads but to get the new fat pads into place the caliper will need to be removed from the disc.

I removed the two bolts that are held in place with bent over tab washers these hold the caliper mounting plate that also holds the parking brake caliper.
Hooked
MP3 hpe 500 sport Advanced " Missy "
Joined: 21 Dec 2018
Posts: 154
Location: west Germany
Fri Dec 21, 2018 4:07 pm quote
Here is a tip from an old Mechanic. Take a small Hammer (Preferably a Nylon Hammer used for mounting bearings, pins, waterplugs etc.) and tap the Brake Caliper lightly meaning not too hard gut hard enough to nock out any rust or dirt that will definitly make it hard to remove the pads. That should make the Job a wohle lot easier.
Enthusiast
MP3 500
Joined: 01 Jun 2015
Posts: 71
Location: South Louisiana
Wed Dec 26, 2018 7:44 am quote
Rear brake pad replacment on mp3 500
Thanks Brasseye,

I am planning on taking a look at this Saturday 12-29-18
I have a slight Oil leak (motor side) and I will try to fix the break and leak at the same time.
Also see if I can get a picture of the caliper for others that will have to change the rear pad.
The leak isn't bad and isn't coming from the air filter. I will have to clean it up to see if I can locate the source.
Hooked
Piaggio MP3 250, BigBeo
Joined: 30 May 2015
Posts: 134
Location: Chelyabinsk, Russia
Wed Dec 26, 2018 10:28 pm quote
Ask me if you find that crankshaft oil seal is leaking. I've fixed that on my BigBeo with Master 500 recently.
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