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GS700/750 rear brake master cylinder

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    GS700/750 rear brake master cylinder

    Hello - I also posted this in the Technical Forum: Is there a way to replace the rear master cylinder on a GS700/750 without having to remove the rear swingarm and rear shock? ! I have a problem with my 1985 GS 700ES. Initially the rear brake caliper was stuck so I completely rebuilt the rear caliper. When I went to bleed the system I had zero pressure in the foot break lever. I tried numerous times trying to bleed the air out of the system, but I can’t pump any fluid through the brake line. I verify this by removing the banjo bolt from the master cylinder, but I was unable to get any fluid to pass from the reservoir through the cylinder and out of the discharge hole of the master cylinder . A pal thinks all I need is a speed bleeder to rapidly get the air out and the fluid flowing, but I’m not feeling so good about it. I have no problem purchasing a new rear master cylinder, but according to the shop service manual, I have to remove the rear wheel, swing-arm, rear shock and other items, just to replace the master cylinder. I was shocked ! (I’m not much of a mechanic) Has anyone replaced a rear master cylinder on a GS 700/750 without removing the swing arm and rear shock? Thanks in advance for any help you can provide me ! markn.
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