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I have some Juicy 7's on my Cove stiffee that have filtered down from another bike. I never noticed it on the bike they came off or maybe its a new problem but the front lever is slow to return after a long squeeze. After a quick pull it returns fast but if held for more than a second or so it it comes back out slowly. when I say slowly it only a fraction of a second but its a bit annoying.
I'm guessing its the master cylinder seal or return spring that's causing it but before I pull it apart I was wondering if anyone has had a similar problem.
Regards
Andy
Piston seal and spring may have got a bit gummed up. As could the pivot. How clean are they and when were they last bled?
I stripped cleaned and lubed the pivot about a week when i first noticed the problem. They were probably bled about a month ago when they changed bikes. They came off a 2008 giant trance but externally are like new.
Ill strip the lever down properly at some point and change the seals if they need it.
I would rebleed to rule out previously stuck bubbles and also check the pistons. Sounds like they're sticking when they get warm.