Bleeding the Brakes on a 2014 Ducati Multistrada 1200S Pikes Peak

Shop parts for a 2014 Ducati Multistrada 1200S Pikes Peak Motorcycle.

First, Understand What You're Working On

The 2014 Multistrada 1200S Pikes Peak stops on hydraulic disc brakes at both ends. The front system is fed by a master cylinder on the right handlebar and actuated by the lever; the rear is fed by its own master cylinder and actuated by the pedal on the right side of the bike. The two systems are independent — the lever does not operate the rear brake and the pedal does not operate the front — so each side is bled on its own, with its own reservoir and its own bleeder at the caliper.

This model is also ABS-equipped. That changes one thing about this job and one thing only: a routine fluid flush pushed through the caliper bleeders is a perfectly reasonable garage task, but if air has found its way into the ABS unit itself — because the reservoir ran dry, or because the unit or its lines were disconnected — the system may need a dealer-level procedure or a diagnostic tool to cycle the pump and purge that trapped air. Do not try to improvise that at home. Everything below assumes the ABS unit has stayed sealed and you are simply refreshing fluid and clearing air from the calipers, lines, and master cylinders.

How to Tell the Brakes Need Bleeding

The classic symptom is a lever or pedal that feels soft or spongy, or one that has to travel farther than it used to before the brakes bite. A lever that slowly sinks toward the grip while you hold steady pressure is another red flag. So is fluid that has turned dark, cloudy, or gritty-looking in the reservoir sight glass.

Any time the hydraulic system has been opened — new lines, a caliper rebuild, master cylinder work, or a fluid top-off after a leak — air gets in and has to come out. Beyond symptoms, brake fluid absorbs moisture from the air over time, and that moisture lowers its boiling point. Under hard, repeated braking, fluid that is past its prime can boil and produce fade or a long lever, so many riders refresh the fluid on a regular interval whether or not anything feels wrong. On a bike like this one, which is happy being ridden hard, that habit is worth keeping.

Tools and Supplies to Have Ready

  • Fresh brake fluid of the type marked on the master cylinder reservoir cap, from a sealed container — once a container is opened, it starts absorbing moisture, so use fresh stock
  • A box-end wrench that fits the bleeder valve snugly
  • A length of clear tubing that fits tightly over the bleeder nipple
  • A small catch bottle for the old fluid
  • Rags or shop towels, plus a syringe or turkey baster for pulling old fluid out of the reservoir
  • The correct driver for the reservoir cap screws
  • Optional: a one-way check-valve bleeder or a vacuum bleeder, both of which make a one-person job much less fiddly

Set Up the Bike and Protect the Paint

Get the Multistrada securely upright on a stand so it cannot tip while you are working the lever. Turn the handlebars until the front reservoir sits level — on a bike with clip-ons or a wide bar, that usually means a small adjustment from straight ahead. The rear reservoir needs to be level too, so check it after the bike is settled.

Brake fluid attacks paint and many plastics on contact, so drape rags over the tank, the fairing panels, the instrument cluster, and anything else below the reservoirs before you open them. If a drop lands on a painted surface, wipe it up immediately and rinse the area with water rather than waiting until the end of the job.

The Bleeding Procedure, Step by Step

  1. Start with the front. Wipe the reservoir cap clean, remove the screws, and lift off the cap and diaphragm.
  2. Use the syringe or baster to draw most of the old fluid out of the reservoir. Leave enough at the bottom that you are not pulling air into the master cylinder port.
  3. Refill with fresh fluid to a sensible working level. Keep the cap and diaphragm nearby but off for now.
  4. Push the clear tubing onto the front caliper bleeder and route the other end into the catch bottle, with the bottle positioned so the tube runs upward before it drops — that way you can watch bubbles travel.
  5. Squeeze the lever and hold it. With the lever held, open the bleeder about a quarter turn. Fluid and air will push out through the tube.
  6. Close the bleeder before you release the lever. Releasing with the bleeder open draws air straight back into the caliper, which is the single most common way this job goes wrong.
  7. Release the lever, then repeat: squeeze, hold, open, close, release. Watch the tube each time.
  8. Top off the reservoir every few cycles. Never let the level drop far enough for the master cylinder to suck air — that turns a twenty-minute job into a much longer one.
  9. If your bike has two front calipers, bleed each one in turn rather than trying to do both at once. As a general practice, start with the caliper farthest from the master cylinder and work toward the closest.
  10. Continue until the fluid coming through the tube is clean and free of bubbles, and the lever feels firm.
  11. Move to the rear. Repeat the same sequence with the rear reservoir and rear caliper bleeder, pressing and holding the pedal instead of the lever.
  12. As you finish each end, top the reservoir to the correct level marking, reinstall the diaphragm and cap, and tighten the cap screws evenly.

Final Checks and Cleanup

Tighten each bleeder snugly with the box-end wrench — firm enough that it will not weep, but not so hard that you risk damaging the caliper threads. Wipe down the calipers, the bleeders, and the area around both reservoirs, and rinse away any fluid that reached painted or plastic surfaces. Then look closely at the bleeder fittings and at the banjo fittings at the master cylinders and calipers for any sign of weeping or a wet film. A dry paper towel wiped across a fitting tells you quickly whether it is sealing.

Test Before You Ride

With the bike still supported, spin each wheel by hand and confirm the brakes are not dragging. Then check feel: the lever and pedal should be firm and consistent, and should hold steady pressure without slowly sinking. If either one creeps toward the grip or the floor, there is still air in the system. Once everything feels right, take the bike to a quiet, safe area and test the brakes at low speed before riding normally.

When to Hand It to a Shop

If the lever will not firm up after several honest bleeding attempts, if it only firms up after pumping, if bubbles keep appearing no matter how long you bleed, or if you find fluid leaking from a master cylinder or caliper, stop and have the bike inspected. The same applies if the reservoir ever ran dry or if any part of the ABS system was opened — that is the point where a diagnostic tool and a trained hand are the right answer, not more lever pumping in the garage.

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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.