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Mushy front brake
I fitted my Bonneville with the 6 pot caliper from Bella C. It was hard to bleed out but I finally got it. Then it wasn't OK, kinda mushy so I bled it again. It was good and after a long ride it got mushy yet again. So I have tried holding the caliper every which way to allow potential air bubbles that may reside in the caliper to come to the surface so to speak and have also moved the master cylinder around a bit in case there was a bubble in the banjo bolt. all to no avail and it does seem to be getting worse in that it is about impossible to bleed it so it feels good again.
I have been bleeding brakes for over 30 years and have been a professional mechanic a good portion of those years. So I finally decided to think it over. Logically if it is good and gets worse air is getting in the system. INstead of rebleeding over and over I have decided to rebuild the master cylinder. The piston kit from Triumph seems to be over $70 which seems steep but if it fixes the problem, worth it. The bike has over 10K hard miles.
Does anyone have any other suggestions I may try? Something I have overlooked or am otherwise brain dead to??
Thanks
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04 Bonneville w/904 kit, 1mm over valves, ported, ARK'd, Bub's, HSR 42's, F3 forks, kyb rear shox, F3 clip ons, Brembo M/C, 6 pot caliper, 17" Excel's, this & that
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