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Old 12-15-2012, 07:47 AM   #2
Andyvh1959
Cheesehead Klompen
 
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Joined: Feb 2012
Location: Da frozen tundra, 1.5 mile west of Lambeau
Oddometer: 610
I'm pretty sure that on the F650 the ABS is an independent part of the brake system. You should be able to remove the wheel speed sensors and all wiring related to them. There may also be a signal from the speedometer tot eh ABS module, not sure. Without the speed sensors in the system, the ABS cannot function. The wiring harness for the ABS module can be traced from the module to other points in the harness and removed.

The rest should just be the hydraulic side of the system. The ABS system plumbs into the standard brakes in a way to override the operator input when the system senses wheel lockup. So in essence the ABS system "doubles" the connections into the hydraulic brakes. The calipers are the same as a bike without ABS. So remove the ABS module and the respective steel and rubber lines from it to the calipers and front and rear master cylinders (front brake lever, rear brake pedal). Either plug the lines where the ABS tees into the system, or simply replace all the brake lines with standard brake hoses run from the master cylinders to the front and rear calipers.

Not sure if there are separate check valves in the ABS circuit, or if they are built into the ABS module. But once you route brake hoses direct from the lever/pedal to the calipers, any other parts in the ABS system can be removed/sold. I doubt there is any connection between the ABS module and the engine ECM, so no wiring issues there.
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Andyvh1959 screwed with this post 12-15-2012 at 07:58 AM
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