Bleeding the Brakes on a 2022 MV Agusta Superveloce S

Shop parts for a 2022 MV Agusta Superveloce S Motorcycle.

The 2022 MV Agusta Superveloce S uses hydraulic disc brakes at both ends and is equipped with ABS. That means routine bleeding is done at the caliper bleeders to refresh fluid and remove air from the front and rear circuits. The ABS unit itself is a different matter: if the reservoir has run dry, or if the ABS unit or its lines have been disconnected, air may be trapped where a normal caliper bleed cannot reach it. In that case, the bike should go to a shop with the appropriate diagnostic equipment. This guide covers the normal front and rear bleed procedure for a DIY rider working with basic hand tools.

When the Superveloce S Needs a Bleed

A soft or spongy lever, a pedal that feels vague, or a lever that pulls closer to the grip than it used to are the classic signs that air or old fluid is affecting the system. Dark, cloudy, or contaminated fluid in the reservoir is another reason to flush it. Bleeding is also required after any work that opened the hydraulic system, such as replacing brake lines, servicing a caliper, or working on the master cylinder.

Even without symptoms, brake fluid absorbs moisture over time. That moisture lowers the fluid’s boiling point and can contribute to brake fade under hard use. Many riders refresh the fluid on a regular schedule as preventive maintenance, especially on a high-performance street bike like the Superveloce S. If you are unsure when the fluid was last changed, a flush is a sensible starting point.

Tools and Supplies to Gather

  • Fresh brake fluid of the type marked on the master cylinder reservoir cap, from a sealed container
  • A box-end wrench that fits the bleeder valve
  • A length of clear tubing that fits snugly over the bleeder
  • A catch bottle for used fluid
  • Rags or shop towels
  • A syringe or turkey baster for removing old fluid from the reservoir
  • A screwdriver or driver that fits the reservoir cap screws
  • Optional: a one-way check-valve bleeder or vacuum bleeder to make one-person bleeding easier

Use only fresh fluid from a sealed container. Brake fluid that has been open for a while can absorb moisture, which defeats the purpose of the job. Keep the fluid away from painted surfaces, plastics, and the instrument area.

Setting Up Safely

Support the bike securely upright on a stand so the reservoirs sit level. For the front, turn the handlebars until the reservoir is as level as possible before opening it. Cover the tank area, bodywork, and instruments with rags, because most brake fluids damage paint and plastic on contact. If a spill happens, wipe it up immediately and rinse the area with water.

Remove the reservoir cap and diaphragm carefully, and set them on a clean rag. Use the syringe or turkey baster to remove most of the old fluid from the reservoir, but leave enough in the bottom so you do not introduce air into the master cylinder. Refill with fresh fluid before starting the bleed.

Step-by-Step Bleeding Procedure

  1. Work on one circuit at a time. Start with the front brake, then repeat the process for the rear. On the front, work on one caliper at a time; if your bike is fitted with two front calipers, complete the first before moving to the second.
  2. Remove most of the old fluid from the reservoir with the syringe or baster, then top off with fresh fluid. Keep the reservoir cap nearby but do not seal it while you are bleeding.
  3. Fit the clear tubing over the bleeder valve and route the other end into the catch bottle. Position the box-end wrench on the bleeder so you can open and close it smoothly.
  4. Squeeze the front lever, or press the rear pedal, several times and hold it firmly. Do not release it while the bleeder is open.
  5. Open the bleeder about a quarter turn. Fluid and any air will flow through the tube. Watch the tube for bubbles and for the color of the fluid.
  6. Close the bleeder before releasing the lever or pedal. This is critical: releasing first can draw air back into the system.
  7. Release the lever or pedal slowly, then repeat the squeeze-and-hold, open-and-close cycle. Keep checking the reservoir and top it off with fresh fluid so it never runs low enough to draw air in.
  8. Continue until clean, fresh fluid comes through the tube with no bubbles. Then tighten the bleeder snugly without overtightening.
  9. Repeat the process on the other front caliper if fitted, then move to the rear brake and use the same sequence with the rear pedal and rear reservoir.

As a general practice, start with the caliper farthest from the master cylinder when a system has more than one bleed point. The goal is to push fresh fluid through the entire circuit and expel air, not just to drain the reservoir.

Finishing the Job

Once the fluid runs clean and bubble-free at every bleeder, tighten each bleeder snugly. Do not overtighten it; the goal is a sealed valve, not a stripped one. Fill the reservoir to the correct level marking, reinstall the diaphragm and cap, and clean any spilled fluid from the bike. Check for leaks at the bleeder valves and at the banjo fittings. A dry fitting after several lever or pedal applications is a good sign.

Testing Before You Ride

The lever and pedal should feel firm and consistent, not spongy. Hold steady pressure on the lever and pedal for a few seconds; neither should slowly sink. Spin each wheel to confirm the brakes are not dragging. Before riding normally, test the brakes at low speed in a safe area. If anything feels soft, inconsistent, or weaker than before, stop and investigate before heading out.

If the Lever Will Not Firm Up

If the lever still will not firm up after several bleeding attempts, or if it firms up only after pumping, air is likely still in the system. Persistent bubbles, fluid leaking from the master cylinder or caliper, or a lever that slowly sinks under pressure are reasons to stop and diagnose the problem. Because the Superveloce S has ABS, any situation where the reservoir ran dry or the ABS unit or its lines were opened should be handled by a shop. Do not ride a bike with a brake system that has not been proven firm and leak-free.

Related Shopping Categories

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Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.