WORKSHEET PROCEDURE TEXT

How to Change Motorcycle Brake Fluid

Brake fluid functions to push the piston in the brake caliper so that the brake pads can clamp the disc according to the pressure when the brake master lever is pulled. Brake fluid must be replaced to prevent damage to the master seal.

Tools and Materials:

Phillips and flathead screwdrivers

8 mm wrench

12 mm wrench or star-shaped hex key

50 ml of brake fluid

Steps:

Attach a small transparent hose to the bleeder valve.

Drain the old brake fluid.

Open the brake master cylinder.

Refill with new brake fluid.

Bleed the air from the disc brakes.

What is the main purpose of replacing brake fluid in a motorcycle?

• To clen the brake pads

• To prevent damage to the master seal

• To increase braking power

• To lubricate the brake lever

Which of the following tools is necessary to open the brake master cylinder?

• 8mm wrench

• 12mm wrench

• Phillips screwdriver

• Flathead screwdriver

What must be done after filling the master brake cylinder with new brake fluid?

• Tighten all the bolts

• Bleed the air from the disc brakes

• Drain the old brake fluid again

• Clean the master cylinder

How much brake fluid is required to replace the old fluid?

• 100ml

• 75ml

• 50ml

• 25ml

The brake fluid is changed to improve the performance of the motorcycle engine. (True/False)

Answer explanation

Brake fluid is changed to prevent damage to the brake system, not the engine.

A 12 mm wrench is an optional tool for this procedure. (True/False)

After draining the old brake fluid, you should immediately close the bleeder valve. (True/False)

Answer explanation

You should refill with new brake fluid and bleed the air first.

The first step in the process of changing brake fluid is to attach a small transparent hose to the ……..

After refilling brake master cylinder, it is essential to remove …… from the disc brake system.

Why is it important to replace the brake fluid regularly?