Mon Jun 10, 2019 9:25 pm

Hooked
2009 MP3 400ie
Joined: 31 May 2016
Posts: 111
Location: philippines
 
Hooked
2009 MP3 400ie
Joined: 31 May 2016
Posts: 111
Location: philippines
Mon Jun 10, 2019 9:25 pm linkquote
need help to bleed front brakes after replacement of front knuckle bearings
Tue Jun 11, 2019 12:55 am

Hooked
50cc Beo, MP3 400 2012, BigBeo 2003
Joined: 30 May 2015
Posts: 363
Location: Chelyabinsk, Russia
 
Hooked
50cc Beo, MP3 400 2012, BigBeo 2003
Joined: 30 May 2015
Posts: 363
Location: Chelyabinsk, Russia
Tue Jun 11, 2019 12:55 am linkquote
The main secret is to bleed calipers not installed on the rotors. Because they should be installed with an angle which prevents air removal.

The picture below shows caliper from the inside. The yellow "thing" shows brake fluid. The hole on the upper part leads to bleeding screw.

Left part shows the caliper when it is installed. The air bubble trapped inside can't leave the caliper because bleeder is lower than the air.

Right part shows how it should be bleeded to remove air. Turn it to make bleeder vertical.



Tue Jun 11, 2019 1:43 am

Hooked
2009 MP3 400ie
Joined: 31 May 2016
Posts: 111
Location: philippines
 
Hooked
2009 MP3 400ie
Joined: 31 May 2016
Posts: 111
Location: philippines
Tue Jun 11, 2019 1:43 am linkquote
Jah wrote:
The main secret is to bleed calipers not installed on the rotors. Because they should be installed with an angle which prevents air removal.

The picture below shows caliper from the inside. The yellow "thing" shows brake fluid. The hole on the upper part leads to bleeding screw.

Left part shows the caliper when it is installed. The air bubble trapped inside can't leave the caliper because bleeder is lower than the air.

Right part shows how it should be bleeded to remove air. Turn it to make bleeder vertical.
Thank you sir will try that
Tue Jun 11, 2019 2:04 am

Hooked
50cc Beo, MP3 400 2012, BigBeo 2003
Joined: 30 May 2015
Posts: 363
Location: Chelyabinsk, Russia
 
Hooked
50cc Beo, MP3 400 2012, BigBeo 2003
Joined: 30 May 2015
Posts: 363
Location: Chelyabinsk, Russia
Tue Jun 11, 2019 2:04 am linkquote
Please, not "sir", but "friend"! And always welcome.
Tue Jun 11, 2019 2:20 am

Veni, Vidi, Posti
2008 MP3 500, 2013 BV350, 2020 Vespa Sei Giorni
Joined: 13 Oct 2012
Posts: 8735
Location: Ashburn, Va. Home to the Internet
 
Veni, Vidi, Posti
2008 MP3 500, 2013 BV350, 2020 Vespa Sei Giorni
Joined: 13 Oct 2012
Posts: 8735
Location: Ashburn, Va. Home to the Internet
Tue Jun 11, 2019 2:20 am linkquote
OR, lift the tail end of the bike up to the proper angle.

Thanks for that pic, really helps. I still don't have all the damn air out of mine.
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