Removing the brake master cylinder (Aprilia RS125/3)

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Torque wrench settings:

• Screws (5): 10 Nm (1.0 kg·m).

Disconnect the brake light switch connector (1).

Drain the rear brake circuit; see 2.12.2.

When all fluid has drained out, unscrew and remove the connector (1).

Detach the hose (2) to the rear brake master cylinder and collect the two sealing washers.



Slacken the hose clip (3) and slide it aside.

Detach the hose (4) from the master cylinder fitting.

Release and remove the two screws (5).

Remove the cylinder (6) sliding it forward.

Warning! Avoid disturbing the pedal joint unless strictly necessary. When the joint has been removed, apply LOCTITE® 270 to the thread before refitting and tighten firmly.

Note. After refitting, top up brake fluid level - see 2.12.4 and bleed the brake - see 2.12.5.

See this article in russian language

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Article about repair motorcycles «Aprilia RS-series RS 125» (1998-2005): «Removing the brake master cylinder»: https://motoinstruction.ru/en/Aprilia/RS/RS125-3/chassis/brake/112885 <a href="https://motoinstruction.ru/en/Aprilia/RS/RS125-3/chassis/brake/112885">Removing the brake master cylinder</a> - article about repair motorcycles «Aprilia RS-series RS 125» (1998-2005) from section «Brake system». [url=https://motoinstruction.ru/en/Aprilia/RS/RS125-3/chassis/brake/112885]Removing the brake master cylinder[/url] - article about repair motorcycles «Aprilia RS-series RS 125» (1998-2005) from section «Brake system».