rear brake locks on without using the brake pedal !!

dreamer650

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• Aug 13, 2010

• #1

Hello did some searching on the site about the rear brake locking, BUT I think my scenario is slightly different.
1.push bike out of garage - ok
2.ride short distance(WITHOUT using the brake pedal).
3.rear wheel on stopping, solid.
4.wait until cools,wheel will unlock but ridden further will create same scenario as above.
5.rear caliper serviced(boot,bearings,pads) - still the same
any help greatly appreciated
dave

 

Bryn

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• Aug 13, 2010

• #2

Welcome Dave - Assuming its a 650 GS you've got.....

You've put this in the wrong section to get a response.... I'll get it shifted for you

 

dreamer650

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• Aug 13, 2010

• #3

thanks Bryn - newboy to the site!

 

Flipfly

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• Aug 13, 2010

• #4

I had a similar issue with a scooter a while back.

The adjuster on the brake lever was adjusted too far in and wasn't gettin full return at the master cylinder. This dragged the brakes slightly, and as the fluid heats up and expands it then swells in the caliper and locks the brakes on.

Your issue is definately down to the brake sticking on slightly or the piston not returning in the master cylinder.

Cause could be down to poor adjustment, overfilling or knackered master cylinder IMHO.

 

rudiemoto

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• Aug 23, 2010

• #5

flippy
right bin it and get an 1150