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semi hydraulic front brake

Posted: Tue Jul 14, 2009 9:01 am
by paulc
got one fitted to a series 2. but it 's less effective than the original drum brake. the cable has been adjusted but still the same. are they all like this?

Re: semi hydraulic front brake

Posted: Tue Jul 14, 2009 11:13 am
by bostfoot
i was always under impression that these conversions were s**t they used to be used on vespas and they were a waste of time then

Re: semi hydraulic front brake

Posted: Tue Jul 14, 2009 11:21 am
by Train Driver
My semi hydraulic front brake is coming off and is being replaced by a fully hydraulic system as i can't get it to work, the cable stretches and the slave cylinder hits the horn casting on my series 3 and the system wouldn't top it's self up.
my sponsor :lol: cezeta has given me a polished master cylinder and i will get Mb to do the slave conversion

Re: semi hydraulic front brake

Posted: Tue Jul 14, 2009 12:29 pm
by wax
I couldn't agree more chaps. They are a bitch to fit and then they work about as well as a cable, at the end of the day. I had mine on my series2 for a few weeks, but i could not take the stress of trying to stop in less than a nautical mile any longer. I have a hydraulic master cylinder on the headset now. Its a little bit ugly, but better than rear-ending a vauxhall viva and hospital food......

Re: semi hydraulic front brake

Posted: Wed Jul 15, 2009 2:39 am
by RBG
I use one on my DL works great. better than the disk or drum
Made my own bracket/plate & sunk the master into the bracket plate so it clears
the horn casing.
The bracket bolts onto the where the horn goes & to the bracket that holds the legsheild above.
Horn bolts into the normal place holding it down.

Re: semi hydraulic front brake

Posted: Wed Jul 15, 2009 7:46 am
by ArKaTxU
RBG wrote:I use one on my DL works great. better than the disk or drum
Made my own bracket/plate & sunk the master into the bracket plate so it clears
the horn casing.
The bracket bolts onto the where the horn goes & to the bracket that holds the legsheild above.
Horn bolts into the normal place holding it down.
What conversion do you have? the MB one?

Re: semi hydraulic front brake

Posted: Wed Jul 15, 2009 10:55 am
by paulc
so the problem could be the type/make of slave cylinder used

Re: semi hydraulic front brake

Posted: Wed Jul 15, 2009 10:58 am
by ArKaTxU
paulc wrote:so the problem could be the type/make of slave cylinder used
What type do you have?

Re: semi hydraulic front brake

Posted: Wed Jul 15, 2009 11:21 am
by ScooterLoopyJohn
The one off a typhoon works best, got two fitted to my scoots and both work well i'd say about 90% of a fully hydrolic one. I guess its in your set up that wrong. You must check the bore of the slave piston as if its bigger than 11mm you will get i very sharp brake and under 10 not enought fluid gets pushed each stroke.