How to Bleed the Brakes on a 2014 Ducati Multistrada 1200S Touring
Shop parts for a 2014 Ducati Multistrada 1200S Touring Motorcycle.
The 2014 Ducati Multistrada 1200S Touring stops with hydraulic disc brakes at both ends, and it carries an ABS unit as part of the model's electronics package. The front lever and the rear pedal each run their own hydraulic circuit, so each one is bled separately. Because the ABS hardware sits between the master cylinder and the calipers, a routine fluid flush done at the caliper bleeders is straightforward, but air that has traveled into the ABS unit itself is a different story — more on that below. This guide walks you through a complete flush and bleed on this bike, from setup to the low-speed test ride.
Why and When the Multistrada's Brakes Need Bleeding
Brake fluid is hygroscopic, meaning it pulls moisture out of the air over time. That absorbed water lowers the fluid's boiling point, and on a heavy, fast sport-touring bike like the Multistrada, a long descent or a hard repeated braking sequence can push old fluid past its limit and produce fade right when you need the brakes most. Moisture also darkens the fluid and can corrode internal components.
Bleed the system when the lever feels spongy or pulls closer to the grip than it used to, when the pedal feels soft or travels further, when the fluid in either reservoir looks dark or cloudy, or after any work that opened the hydraulic system — new lines, caliper service, or master cylinder work. Many riders also refresh the fluid on a regular interval as preventive maintenance, even with no symptoms at all.
Tools and Supplies to Gather First
- Fresh brake fluid of the type marked on the master cylinder reservoir cap, from a sealed container. Do not substitute a different type.
- A box-end wrench that fits the bleeder valve snugly — a box-end grips better than an open-end and is less likely to round the hex.
- A length of clear tubing that fits tightly over the bleeder nipple, plus a catch bottle to route it into.
- A syringe or turkey baster for pulling old fluid out of the reservoir.
- Rags or shop towels, plus a screwdriver that fits the reservoir cap screws.
- Optional but helpful: a one-way check-valve bleeder or a vacuum bleeder, both of which make a solo job much easier.
Setting Up the Bike and Protecting Surfaces
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-on-style or tapered bars, that usually means a small steering input, so check with a glance before you open the cap.
Brake fluid attacks paint and many plastics on contact, so drape rags over the tank, the fairing panels, the dash area, and anything else below the reservoir. If a drop lands on a painted surface, wipe it up immediately and rinse the area with water. Keep the cap off only as long as you need to.
Bleeding the Front Brake Circuit
- Remove the reservoir cap and diaphragm, then use the syringe or baster to draw most of the old fluid out. Leave a little in the bottom so you do not push air into the master cylinder.
- Refill with fresh fluid from the sealed container, keeping the level well above the minimum mark.
- 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's end stays submerged.
- Squeeze the front lever smoothly and hold it against the grip.
- Open the bleeder about a quarter turn. Fluid and any trapped air will push out through the tube. Watch the tube, not your hands.
- Close the bleeder before you release the lever. Releasing with the bleeder open draws air back in through the nipple.
- Release the lever, then repeat the squeeze–hold–open–close–release cycle. Top off the reservoir every few cycles so it never runs low enough to pull air into the master cylinder.
- Continue until the fluid coming through the tube is clean and free of bubbles, then move to the other front caliper and repeat the whole sequence. Bleed one caliper at a time, and start with the caliper farthest from the master cylinder in terms of hydraulic path.
Bleeding the Rear Brake Circuit
The rear circuit is bled the same way, with the pedal doing the work of the lever. Fit the tubing to the rear caliper bleeder, press and hold the pedal, crack the bleeder a quarter turn, close it, then release. Keep an eye on the rear reservoir level as you go — it is smaller than the front and drains faster than you expect. Work through the same cycle until the fluid runs clean and bubble-free.
Finishing Up and Checking for Leaks
Snug the bleeder valves down firmly without overtightening — they seal on a tapered seat and do not need to be cranked hard. Fill each reservoir to the correct level marking, reinstall the diaphragm and cap, and wipe down every surface you touched. Then inspect the bleeder nipples and the banjo fittings at the master cylinders and calipers for any weeping. A dry paper towel pressed against each joint will show a leak immediately.
Testing the Brakes Before You Ride
Pull the front lever and press the rear pedal. Both should feel firm and consistent, and neither should slowly sink while you hold steady pressure. Spin each wheel by hand to confirm the brakes are not dragging. Then, in a safe open area, test the brakes at low speed before riding normally. If anything feels vague, stop and investigate rather than riding it out.
When to Stop and Take It to a Shop
If the lever will not firm up after several full bleeding attempts, if it only firms up after pumping, if bubbles keep appearing no matter how long you bleed, or if you find fluid weeping from a master cylinder or caliper, stop and have the bike inspected. The same applies if the reservoir ever ran dry, or if the ABS unit or its lines were disconnected — air trapped inside the ABS hardware generally needs a dealer-level procedure or diagnostic tool to purge, and that is not a job to improvise in a home 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.
