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1984 gl1200A
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2 Posts
Discussion Starter · #1 ·
morning guys and gals i have a 1984 gl1200ae when riding the rear brake starts to stick on and pedal is very hard to push down left alone it comes of by its self and pedal back to normal done the caliper new pistons seals etc etc but still doing it anyone have any ideas please
all the best
chris
 

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1988 Honda GL1500
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671 Posts
Flexible hose collapsing or more likely the master needs rebuilding, there is a very tiny hole that if blocked causes pressure to be held in the system
 

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1988 Honda GL1500
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671 Posts
On this cylinder specifically no, but there are usually two holes from fluid reservoir to operating bore one larger one closer to the pivot and one tiny one closer to the outlet end.
The tiny one is so small that most people dont believe its there looks just like an unfinished drill hole.

Only way i know off to clean properly is strip out the seal and piston and replace
 

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12,883 Posts
AS mentioned above, it seems like the return port of the rear master is blocked. This port is very small. One wire from a wire brush is size needed to puncture the clogged port. IF it is like the 1100 the fluid line from the reservoir is mounted to the master with two screws. If you remove that hose adapter that is where the two fluid ports are located.
 
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