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General Category => General Discussion => Topic started by: Daleroso on November 22, 2015, 11:39:23 PM

Title: Front brakes
Post by: Daleroso on November 22, 2015, 11:39:23 PM

The '97 Centauro is pretty much done EXCEPT for one nagging curiosity. Front brakes work well @ 1/2 lever pull but the lever can be firmly pulled just about to the grip after the brakes are working well. My other 3 rides have a lever feel that's like having a block of wood 1/2 way between the lever & grip. I've bled many brakes in the past & twice here then also had the last bleed done by a shop where they used a  pressure system from the bottom w/not much improvement. Is this a normal Centauro trait? Pads have 1/2 left & caliper pistons are clean. I'm wondering next to; a) do a rebuild kit @ the m/cylinder or b) I thought I saw a thread back some time ago that I can't find now suggesting a m/cylinder change but to what? Thanks for your thoughts in advance.

Title: Re: Front brakes
Post by: redrider on November 23, 2015, 06:06:45 AM

Do you have rubber brake lines?

Title: Re: Front brakes
Post by: Chuck in Indiana on November 23, 2015, 07:32:55 AM

Quote

Is this a normal Centauro trait?

Uhhhh.... no.  :smiley:

Quote

a) do a rebuild kit @ the m/cylinder

that would be my guess.

Title: Re: Front brakes
Post by: Charles in Lake Charles on November 23, 2015, 09:26:13 AM

Definitely not normal.

It sounds like the master cylinder is going bad.

I don't think rebuild kits are available.

New master cylinders are relatively cheap.

http://www.ebay.com/itm/Moto-Guzzi-OEM-Brembo-16mm-REC-PS16-Front-Brake-Master-Cylinder-Pump-Lever-/351563604634?vxp=mtr&hash=item51dad2e29a (http://www.ebay.com/itm/Moto-Guzzi-OEM-Brembo-16mm-REC-PS16-Front-Brake-Master-Cylinder-Pump-Lever-/351563604634?vxp=mtr&hash=item51dad2e29a)

Title: Re: Front brakes
Post by: yogidozer on November 23, 2015, 09:36:35 AM

I think this is the MC rebuild kit from MG cycle, could be wrong. Call them to verify.
http://www.mgcycle.com/index.php?main_page=product_info&products_id=2649

Title: Re: Front brakes
Post by: Charles in Lake Charles on November 23, 2015, 09:41:48 AM

That's for the rear.

Title: Re: Front brakes
Post by: Triple Jim on November 23, 2015, 09:50:10 AM

If rebuild kits really aren't available and it needs rebuilding, I'd replace it with a different brand that's supported better.  Brembo isn't magic.

Title: Re: Front brakes
Post by: yogidozer on November 23, 2015, 09:52:01 AM

Thanks Charles, missed that!

Title: Re: Front brakes
Post by: Daleroso on November 23, 2015, 03:44:17 PM

Yes, SS lines were OEM on the Centauro.