How to Bleed the Brakes on a Honda CBR600RR

To keep the braking system on a Honda motorcycle performing at its peak, the brakes should be bled at least once a year. 

There are two methods of bleeding brakes: manual and vacuum. To bleed the brakes manually, you’ll need a length of 3/16” x 5/16” hose. Bleeding the brakes through the vacuum method requires a vacuum brake bleeder. Watch the video above and follow the steps below to learn how to bleed the brakes on a Honda CBR 600RR, both manually and via the vacuum method.

Tools and Parts Needed – Honda CBR 600 Brake Bleed

Tools

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Honda CBR 600 brake bleed

Honda CBR600RR Rear Brake Bleed: Manual Method

Step 1. Remove the two covers and the diaphragm from the rear brake reservoir. Top off the reservoir with DOT 4 brake fluid if necessary.

Honda CBR 600 rear brake bleed

Step 2. Remove the rubber cap from the rear brake caliper bleed screw, and put an 8mm wrench and a 3/16” x 5/16” hose over the bleed screw. Put the other end of the hose into a container to catch the old brake fluid.

Honda CBR 600RR rear brake bleed

Step 3. Pump the rear brake pedal, then hold it down and release the rear brake caliper bleed screw. You’ll see old brake fluid begin to pump out into the hose.

Honda CBR motorcycle rear brake bleed

Step 4. Keep the brake pedal held down and tighten the bleed screw.

Step 5. Repeat steps 3-4 until fresh brake fluid is coming out from the reservoir. 

Honda motorcycle rear brake bleed

NOTE: You can tell fresh brake fluid from old brake fluid because fresh fluid is clear. Keep an eye on the brake fluid level in the brake reservoir as you bleed the system, and pause to refill the reservoir before it runs dry. If you let air enter the brake system, you’ll have to bleed it through again to completely remove the trapped air.

Step 6. Make sure the bleed screw is fully tightened, then remove the hose and the 8mm wrench, and place the rubber cap back over the bleed screw.

Step 7. Make sure the reservoir is topped off to the maximum fill line, then replace the diaphragm and two reservoir covers.

Honda CBR600RR manual rear brake bleed

Step 8. Pump the rear brake pedal a few times to check that the brakes feel solid, and inspect the bleed screw for signs of leaks. Tighten the bleed screw if necessary. 

Honda CBR600RR Rear Brake Bleed: Vacuum Method

Step 1. Remove the two covers and the diaphragm from the rear brake reservoir. Top off the reservoir with DOT 4 brake fluid if necessary.

Step 2. Remove the rubber cap from the rear brake caliper bleed screw, and put an 8mm wrench and a vacuum brake bleeder over the bleed screw.

Honda CBR 600RR rear brake bleed vacuum method

Step 3. Start the vacuum brake bleeder, and release the rear brake caliper bleed screw.

Step 4. Draw fluid out through the brake system with the vacuum bleeder until fresh brake fluid flows from the reservoir, then tighten the bleed screw. Continue drawing out fluid, then tighten the bleed screw again.

NOTE: Keep an eye on the brake fluid level in the brake reservoir, and close the bleed screw and refill the reservoir before it runs dry.

Honda CBR 600 rear brake bleed vacuum method

Step 5. Make sure the bleed screw is fully tightened, then remove the vacuum brake bleeder and the 8mm wrench, and place the rubber cap back over the bleed screw.

Step 6. Make sure the reservoir is topped off to the maximum fill line, then replace the diaphragm and two reservoir covers.

Step 7. Pump the rear brake pedal a few times to check that the brakes feel solid, and inspect the bleed screw for signs of leaks. Tighten the bleed screw if necessary. 

Honda CBR600RR Front Brakes Bleed: Manual Method

Step 1. Remove the small metal bracket securing the front brake reservoir cover, then remove the cover, the diaphragm plate and the diaphragm beneath it. Top off the reservoir with DOT 4 brake fluid if necessary.

Honda CBR motorcycle front brake bleed

Step 2. Remove the rubber cap from the front brake caliper bleed screw, and put an 8mm wrench and a 3/16” x 5/16” hose over the bleed screw. Put the other end of the hose into a container to catch the old brake fluid.

Honda motorcycle front brake bleed manual method

Step 3. Pump the front brake lever, then hold it down and release the front brake caliper bleed screw. You’ll see old brake fluid pump out into the hose.

Step 4. Keep the brake lever held down and tighten the bleed screw.

Honda motorcycle front brake bleed manual

Step 5. Repeat steps 3-4 until fresh brake fluid is coming from the reservoir.

Honda CBR600RR manual front brake bleed

NOTE: Keep an eye on the brake fluid level in the brake reservoir, and pause to refill the reservoir before it runs dry.

Step 6. Make sure the bleed screw is fully tightened, then remove the hose and the 8mm wrench and place the rubber cap back over the bleed screw.

Step 7. Repeat steps 2-6 for the front brake caliper on the other side of the wheel.

Step 8. Make sure the reservoir is topped off to the maximum fill line, and replace the diaphragm, diaphragm plate, cover and metal bracket.

Honda CBR 600 front brakes bleed

Step 9. Pump the front brake lever a few times to check that the brakes feel solid, and inspect the bleed screw for signs of leaks. Tighten the bleed screw if necessary.

Honda CBR600RR Front Brakes Bleed: Vacuum Method

Step 1. Remove the small metal bracket securing the front brake reservoir cover, then remove the cover, the diaphragm plate and the diaphragm beneath it. Top off the reservoir with DOT 4 brake fluid if necessary.

Step 2. Remove the rubber cap from the front brake caliper bleed screw, and put an 8mm wrench and a vacuum brake bleeder over the bleed screw.

Honda motorcycle front brake bleed vacuum

Step 3. Start the vacuum brake bleeder and release the front brake caliper bleed screw.

Step 4. Draw fluid out through the brake system with the vacuum bleeder until fresh brake fluid flows from the reservoir, then tighten the bleed screw. Continue drawing out fluid, then tighten the bleed screw again.

NOTE: Keep an eye on the brake fluid level in the brake reservoir, and close the bleed screw and refill the reservoir before it runs dry.

Step 5. Make sure the bleed screw is fully tightened, then remove the vacuum brake bleeder and the 8mm wrench, and place the rubber cap back over the bleed screw.

Step 6. Repeat steps 2-5 for the front brake caliper on the other side of the wheel.

Honda CBR600RR front brake bleed vacuum method

Step 7. Make sure the reservoir is topped off to the maximum fill line, then replace the diaphragm, diaphragm plate, cover and metal bracket.

Step 8. Pump the front brake lever a few times to check that the brakes feel solid, and inspect the bleed screws for signs of leaks. Tighten the bleed screws if necessary and you’re done.

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