How to Bleed and Replace Brake Fluid on a 2017 Polaris Sportsman Touring XP 1000

Shop parts for a 2017 Polaris SPORTST1000XP ATV.

This MotoSport proprietary guide walks you step-by-step through flushing and replacing the brake fluid on a 2017 Polaris Sportsman Touring XP 1000. Procedures are written for a competent DIYer with basic tools. If your ATV is equipped with factory electronic brake assist or an aftermarket ABS module, follow Polaris service instructions for that system first — if unsure, consult a dealer.

What you need

  • Fresh DOT 4 brake fluid (Polaris recommends DOT 4; do not mix with DOT 5 silicone)
  • Brake bleeder kit (vacuum pump or clear hose & catch bottle) or a two-person squeeze method
  • 10mm and 8mm wrenches (bleeder and banjo bolts vary by year/config)
  • Clean rags, shop towels, gloves and safety glasses
  • Small funnel or syringe for topping reservoirs
  • Jack or ramps and stands to lift and stabilize the vehicle
  • Brake parts cleaner and a small brush

Safety and prep

  • Work on a level surface, engine off, ignition key removed.
  • Wear eye protection and gloves; brake fluid damages paint & plastics.
  • Keep new fluid sealed and clean. Dispose of old fluid per local regs.
  • Block wheels and secure the unit on stands; do not rely on the winch or suspension to support weight while wheels are removed.

Quick model notes (2017 Sportsman Touring XP 1000)

  • This model uses a hydraulic brake system with a front and rear master reservoir layout on most Touring variants. Reservoir placement varies slightly on Touring vs. non-Touring models; identify both reservoirs before starting.
  • Polaris electrical accessories and EPS (if equipped) are sensitive to spilled fluid — cover nearby wiring/connectors during work.
  • Linkage and caliper fittings can show corrosion after years of service; have replacement banjo bolts and crush washers on hand if you disturb any brake line fittings.
  • If your machine has a linkage-based parking brake or trailing arm caliper, note the cable adjustment before removing components so you can restore the parking-brake function accurately after bleeding.

Step-by-step bleed & fluid replacement

1. Identify reservoirs and prepare

Locate all brake fluid reservoirs. Clean the caps and surrounding area thoroughly to prevent contamination. Remove the caps and inspect fluid color — dark or contaminated fluid should be replaced.

2. Elevate and access calipers

Raise the ATV so wheels are off the ground and can rotate freely. Remove wheels if needed for easy caliper access. Keep the reservoirs capped loosely to prevent debris entry but not sealed while bleeding.

3. Determine bleeding order

General rule: bleed the caliper furthest from the master cylinder first, then the next furthest, finishing with the closest. On many Sportsman setups this means:

  • 1st: Rear passenger-side caliper (furthest)
  • 2nd: Rear driver-side caliper
  • 3rd: Front passenger-side caliper
  • 4th: Front driver-side caliper (closest)

If you locate master reservoirs differently on your unit, use the furthest-to-nearest principle relative to the actual master cylinder locations.

4. Use the chosen bleed method

Vacuum/pressure bleeder (preferred for one-person):

  • Attach clear hose to bleeder nipple and route into a catch bottle partially filled with clean fluid to prevent sucking air back in.
  • Open caliper bleeder ~1/4 to 1/2 turn. Operate the vacuum pump or pressure device to draw old fluid until clear fresh fluid appears and no air bubbles are visible.
  • Close bleeder, tighten to spec hand-tight + a small turn (do not round the nipple), then move to the next caliper.

Two-person squeeze method:

  • Person A pumps the brake lever/pedal slowly 3-4 times and then holds steady pressure.
  • Person B opens the bleeder nipple to let fluid flow, closes it before pressure is released, and repeats until clear fluid/vacuum is achieved.
  • Always close the bleeder before the pedal/lever is released.

5. Keep reservoir level topped

Never let the master reservoir run dry during the process. Continuously top with fresh DOT 4 fluid to avoid introducing air into the system. Use a funnel or syringe for neat filling.

6. Repeat until clean and bubble-free

Continue bleeding each caliper until the expelled fluid is clear and free of bubbles. Work methodically through the bleed order. After all calipers are done, cycle the system again from furthest to nearest to confirm no air remains.

7. Final checks

  • Ensure bleeder screws are snug; do not overtighten.
  • Top the reservoir to the correct level and install caps securely.
  • Pump the brake lever/pedal to confirm firm feel and no sponginess. If soft, repeat bleeding.
  • Clean any spilled fluid from painted surfaces with plenty of water & mild soap, then apply polish if necessary.
  • Bleed the parking brake caliper (if separate) using the same furthest-to-nearest approach.

Troubleshooting

  • Persistent soft brake feel: likely trapped air or a leaking line/loose banjo bolt. Re-inspect fittings and repeat bleed sequence.
  • Brake lever goes to the handlebar/pedal sinks under load: stop riding; fix leaks or trapped air before use.
  • Newly stiff brake pedal after bleeding: check for contaminated pads or caliper pistons sticking; inspect pads and caliper piston movement.

Maintenance tips specific to this Sportsman

  • Change brake fluid every 1-2 years if you ride in wet or humid conditions; fresh fluid preserves ABS components and seals.
  • Inspect caliper guide pins, pad wear, and rotor condition while wheels are off. Replace bent or corroded hardware with OEM-spec parts available from MotoSport.
  • If your Touring model has electronic accessories near the master cylinders, protect connectors from spills & keep fluid away from plastic storage compartments and painted panels.
  • Store leftover sealed DOT 4 fluid in a cool, dry place and never reuse fluid removed from the system.

When to seek professional service

Contact a Polaris dealer or a qualified technician if you detect brake-line damage, seized caliper pistons, internal master cylinder failure, ABS faults, or if bleeding does not restore a firm brake pedal.

Follow these steps and you’ll restore safe, consistent braking to your 2017 Polaris Sportsman Touring XP 1000. Proper fluid maintenance improves performance and extends component life.

Related Shopping Categories

Shop Brake Fluid for a 2017 Polaris SPORTST1000XP ATV.

Shop Brake Bleeders for a 2017 Polaris SPORTST1000XP ATV.

Shop Brake Pads for a 2017 Polaris SPORTST1000XP ATV.

Shop Brake Lines for a 2017 Polaris SPORTST1000XP ATV.

Shop Brake Tools for a 2017 Polaris SPORTST1000XP 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.