How to Bleed and Replace Brake Fluid on a 2021 Can-Am Outlander MAX 650 DPS

Shop parts for a 2021 Can-Am Outlander MAX 650 DPS ATV.

Overview

This guide from MotoSport walks you through safely replacing and bleeding the brake fluid on a 2021 Can-Am Outlander MAX 650 DPS (MMY: CAN_AM;OLM650DPS;2021). It covers required tools, the correct fluid, model-specific considerations, and step-by-step bleed procedures for both front and rear brake circuits. Follow each step carefully to retain braking performance and avoid damage to hydraulic components.

What you need

  • DOT 4 brake fluid (only use DOT 4 as specified for Can-Am hydraulic systems)
  • Brake bleeder kit or hand vacuum pump and clear tubing
  • Clean catch container and rags (cloth cannot contaminate fluid)
  • Wrenches for bleeder nipples (typically 8mm or 10mm) and reservoir cap tools
  • Brake cleaner and a small brush
  • Disposable gloves and eye protection
  • Service manual or shop manual for torque specs and diagrams (MotoSport recommends consulting your manual for detailed component locations)

Model-specific notes for the 2021 Outlander MAX 650 DPS

  • The Outlander MAX 650 DPS uses separate hydraulic circuits for front and rear brakes; front brake lever and rear foot pedal each have their own master cylinders. Treat each circuit independently.
  • DPS refers to Dynamic Power Steering and is a separate system; do not allow brake fluid to contact electric steering components. Keep fluid away from wiring harnesses and the EPS module.
  • Reservoirs are translucent plastic with level markings; clean around caps before opening to avoid contamination. The front master cylinder reservoir is on the right handlebar area, rear reservoir usually mounted near the footwell or frame near the rear master cylinderverify visually on your machine.
  • If your Outlander has ABS or advanced traction electronics, do not cycle the pump or ABS unit without manufacturer procedures; if ABS warning lamp or faults appear after bleeding, follow the service manual ABS recommissioning steps or contact a dealer.
  • MotoSport tip: mark the position of brake hoses and soft lines before working so routing remains correct and kink-free during reassembly.

Preparation

  • Park the machine on level ground and secure it with a block or center-stand. Remove ignition key and disconnect battery negative if you'll be working near electronics.
  • Clean the area around reservoirs and bleeder nipples with brake cleaner to prevent dirt ingress.
  • Open reservoir caps carefully. Do not let any dirt or water enter the reservoirs.
  • Inspect lines, hoses, calipers, and master cylinders for leaks, cracking, or damage. Replace any worn parts before bleeding.

Brake fluid replacement strategy

Complete the job by replacing old fluid in both circuits. Never mix DOT 4 with DOT 3 or DOT 5 silicon fluids. MotoSport recommends replacing fluid every 1-2 years or sooner if contaminated or discolored.

Bleeding sequence and methods

Standard principle: bleed the wheel farthest from the master cylinder first, then progress to the closest. Because the Outlander has separate front and rear master cylinders, bleed each circuit from the farthest caliper to the nearest caliper for that circuit.

Two common methods

  • Two-person (pump & hold): One person operates the lever/pedal and holds it while the other opens the bleeder. Good for tight spots; quick and reliable when coordinated.
  • Vacuum or pressure bleeder: Single-operator method using a vacuum pump or pressurized reservoir attached to the master cylinder cap. Cleaner and faster for complete fluid replacement.

Step-by-step: Replace & bleed brakes (vacuum/pressure method)

  1. Start with the circuit you want to do first (front or rear). Identify the farthest caliper from that circuit's master cylinder.
  2. Remove old fluid from the reservoir with a turkey baster or syringe until fluid level is low but not empty. Inspect fluid color; dark means oxidation and moisture contamination.
  3. Top up with fresh DOT 4 brake fluid to the "MAX" line.
  4. Attach vacuum hose to the bleeder nipple of the farthest caliper and run the hose into a clear bottle partially filled to capture expelled fluid.
  5. If using a pressure bleeder, attach to reservoir per manufacturer instructions and pressurize within safe limits.
  6. Open the bleeder nipple (about 1/4 turn) while operating the vacuum or pressure. Allow fluid and air to flow until clear, bubble-free fluid reaches the tubing. Close nipple before releasing pressure or stopping vacuum to avoid sucking air back in.
  7. Top up reservoir frequently; never allow it to fall below the minimum mark. Continue bleeding the next caliper toward the master cylinder until all calipers in the circuit produce clear fluid.
  8. After finishing each circuit, pump the lever/pedal slowly to verify a firm feel. If soft or spongy, repeat bleeding procedure.
  9. Clean any spilled fluid immediately; brake fluid damages paint and plastics. Torque bleeder nipples to spec if available; snug is usually sufficient but do not overtighten.

Step-by-step: Replace & bleed brakes (two-person method)

  1. Prepare as above: lower reservoir fluid, add fresh DOT 4 to MAX.
  2. Person A sits on the machine and operates the brake lever/pedal. Person B places clear tubing on the bleeder nipple and a catch bottle.
  3. Person A slowly squeezes the lever or depresses pedal to about halfway and holds. Person B opens bleeder nipple to let fluid & air escape, then closes nipple before Person A releases lever/pedal.
  4. Repeat cycles until clear, bubble-free fluid flows and lever/pedal feel is firm. Top up reservoir frequently; never allow it to go below minimum.
  5. Repeat for each caliper in the correct farthest-to-closest sequence for that circuit.

Finishing steps

  • Ensure reservoir fluid is at recommended level and secure caps. Wipe down all components and remove tools.
  • Test ride at low speed in a safe area to confirm firm braking and proper function before normal use.
  • Dispose of used brake fluid per local hazardous-waste regulations.

Troubleshooting & cautions

  • Spongy brake lever or pedal after bleeding indicates trapped air; repeat bleeding or use a pressure bleeder for stubborn air pockets.
  • If fluid level continually drops, inspect for leaks in master cylinders, calipers, hoses, or connections. Do not ride until leaks are repaired.
  • A persistently soft pedal after repeated bleeding may indicate an internal master-cylinder seal failure or caliper issue; replace the faulty component.
  • Keep brake fluid off painted surfaces and plastics. Clean spills immediately with water and brake cleaner if safe for the surface.

MotoSport maintenance tips

  • Keep an annual brake inspection log – note fluid change dates, bleeding, and parts replaced for resale and upkeep value.
  • When replacing hoses or calipers, use OEM-spec parts listed for the 2021 Can-Am Outlander MAX 650 DPS to ensure fit and function.
  • If your machine has an electronic ABS or traction module, consult your service manual for any post-bleed initialization procedures.

Performing regular brake fluid changes and proper bleeding ensures reliable braking performance on your 2021 Can-Am Outlander MAX 650 DPS. When in doubt, contact a qualified ATV technician or your MotoSport service resource for assistance.

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.