How to Bleed & Replace Brake Fluid on a 2024 Can-Am Outlander 850 XT

Shop parts for a 2024 CAN_AM OL850XT ATV.

Overview

This guide from MotoSport covers safe, complete replacement and bleeding of brake fluid on a 2024 Can-Am Outlander 850 XT. It is written for owners with basic mechanical skills and standard workshop tools. The Outlander 850 XT uses DOT 4 brake fluid in the hydraulic front and rear systems; if your machine is equipped with ABS, additional ABS-specific steps are noted. Always follow safety precautions and wear eye protection and gloves.

Tools & Supplies

  • DOT 4 brake fluid (clean, unopened container)
  • Clear tubing and a catch bottle or vacuum bleeder
  • Wrenches for bleeder screws (use correct size)
  • Turkey baster or fluid syringe
  • Clean rags and a brake-parts brush
  • Jack or ramps and stands to safely lift/support the machine
  • Torque wrench (for caliper hardware if removed)
  • Bleed block or wooden wedge (to keep pistons from overextending if removing pads)

Notes Specific to the 2024 Outlander 850 XT

  • The Outlander 850 XT has separate master cylinders for front (handlebar) and rear (foot) brakes. Confirm which circuit you are servicing before opening reservoirs.
  • Some trims include ABS or stability features. If ABS is present, bleed the system exactly as described in the ABS service section below to avoid introducing air into the pump and valves.
  • Brake fluid will damage painted and plastic surfaces; protect panels and flush spills immediately with clean rags.
  • Use only DOT 4 specification fluid. Mixing different brake fluids reduces performance and can damage seals.

Preparation

  1. Park on a level surface, place the machine in neutral, and disconnect the battery negative terminal to avoid accidental starts while you work.
  2. Clean the area around each brake fluid reservoir cap to prevent contamination. Remove caps and inspect fluid color — dark fluid indicates replacement is due.
  3. Raise and support the ATV so wheels can rotate freely if you will operate the calipers during bleeding.
  4. Label hoses if necessary so you don't mix front and rear circuits.

Master Cylinder Reservoir Service (Top-Down Flush)

  1. Siphon old fluid from the reservoir with a turkey baster until mainly air remains. Do not let the master cylinder run dryleave a small amount so you can add fresh fluid immediately.
  2. Refill the reservoir with fresh DOT 4 fluid to the full mark.
  3. Perform caliper bleeding as described below while keeping the reservoir topped up; never let the reservoir level drop below the minimum while any bleeder is open.

Bleeding Sequence (Recommended)

Typical recommended order for the Outlander is to start with the wheel caliper farthest from the master cylinder and proceed closer. For most configurations:

  • Rear caliper first (foot brake master), then front calipers; for front calipers, bleed the passenger/right side, then driver/left side if applicable.
  • If you have only front or only rear servicing, follow farthest-to-closest on that circuit.

Manual Bleed Procedure (Two-Person Method)

  1. Attach clear tubing to the bleeder screw and place the other end in a catch bottle partially filled with old fluid to prevent air being drawn back in.
  2. Have an assistant slowly depress the brake lever/pedal to create firm pressure and hold it down.
  3. Open the bleeder screw about 1/4 turn until fluid flows and air bubbles exit. Close the screw before the assistant releases pressure.
  4. Repeat until no air bubbles are visible and the fluid is clear. Keep the reservoir topped up between cycles.
  5. Tighten the bleeder screw to spec (hand-tight plus a small fraction — check caliper hardware guidelines) and wipe any spilled fluid.

Single-Person Vacuum or Pressure Bleeder

  • Connect a vacuum pump to the bleeder on each caliper and draw until the fluid runs clear. Alternatively, use a pressure bleeder on the master reservoir to push fluid through the system.
  • Vacuum/pressure bleeding reduces the risk of air being drawn back in and is highly recommended for clean, fast results.

Bench Bleeding Master Cylinders

If the master cylinder is suspected of internal contamination or if you replace it, bench-bleed before installation:

  1. Secure the master cylinder in a vise with soft jaws.
  2. Fill with DOT 4 fluid and use the bench-bleed fittings or loop clear tubing from outlet back into the reservoir.
  3. Operate the piston slowly until no air escapes into the reservoir and the fluid flows without bubbles.

ABS-Specific Considerations

  • If your Outlander 850 XT is equipped with ABS, after bleeding each caliper you must cycle the ABS pump or use a diagnostic tool to run the ABS bleed cycle per the factory procedure to purge air from the modulator. If you do not have a scan tool, a professional shop should perform the ABS portion to avoid trapping air in the pump/valves.
  • Do not open ABS valve assemblies or attempt to bench-bleed the modulator without the correct tools and procedures.

Final Steps & Inspection

  1. Confirm reservoir fluid is at the correct level and replace reservoir caps securely.
  2. Test brake lever and pedal firmness — they should feel firm with no sponginess. If spongy, re-bleed using the same procedure until firm.
  3. Check for leaks at bleeder screws, calipers, lines, and reservoir. Torque any caliper bolts to manufacturer specs if you removed components.
  4. Carefully lower the machine and perform a slow low-speed test in a safe area to confirm braking performance before normal operation.

Maintenance Tips

  • Replace brake fluid every 1-2 years or sooner if the fluid darkens; DOT 4 absorbs moisture which lowers boiling point and degrades braking performance.
  • Keep an unopened spare bottle of DOT 4 on hand for top-ups; once opened, fluid can absorb moisture from the air — seal tightly and use relatively quickly.
  • Record the service date and fluid type in your maintenance log for future reference.

Disposal

Dispose of old brake fluid per local hazardous-waste regulations. Do not pour onto ground or into drains.

If You're Unsure

Brake systems are critical to safety. If you encounter persistent spongy pedal/lever feel, ABS complications, or if you lack proper tools, schedule service with a qualified technician or use MotoSport parts and support to complete the job.

Related Shopping Categories

Shop Brake Fluid for a 2024 CAN_AM OL850XT ATV.

Shop Brake Bleeders for a 2024 CAN_AM OL850XT ATV.

Shop Brake Pads for a 2024 CAN_AM OL850XT ATV.

Shop Brake Lines for a 2024 CAN_AM OL850XT ATV.

Shop Brake Tools for a 2024 CAN_AM OL850XT ATV.

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.