[Barkdog666]

2013 Multistrada 1200s GT. Front brake is weak the first pull or two. Gets firm after that, until it's needed again.
Bled the line. Didn't help.
Any rebuild kits out there, or should I replace front master cylinder?
Thanks

 

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2013 Multistrada 1200s GT. Front brake is weak the first pull or two. Gets firm after that, until it's needed again.
Bled the line. Didn't help.
Any rebuild kits out there, or should I replace front master cylinder?
Thanks

No rebuild kits out there, unfortunately. Brembo no longer makes them available. Mighty-vac on the master usually does it for mine and/or tying the lever back overnight. Though it seems to be a recurring problem. OE master is not cheap!

 

[tzoykas]

If there aren't any leaks (no visible fluid around master cylinder, calipers, lines) I would try the bleeding once more. Make sure you go the correct way round when bleeding (Furthest caliper first etc.)