How to Bleed and Replace Brake Fluid on a 2019 Yamaha Grizzly 700 4X4 EPS

Shop parts for a 2019 Yamaha Grizzly 700 4X4 EPS ATV.

This MotoSport-exclusive guide walks you through safely replacing and bleeding the brake fluid on a 2019 Yamaha Grizzly 700 4X4 EPS (MMY code GRIZZLY7E). Follow these steps for clean, responsive brakes and longer system life. This article assumes a non-ABS Grizzly 700 hydraulic brake systemif your machine has optional systems or modifications, confirm compatibility before proceeding.

What you need

  • DOT 4 brake fluid (Yamaha recommends DOT 4; do not mix with DOT 5 silicone)
  • Clear hose that fits bleeder nipples snugly
  • Catch bottle or container for used fluid
  • Rubber gloves, safety glasses
  • Clean rags, brake-clean spray
  • Flat screwdriver or small pick to lift reservoir diaphragm
  • Hand vacuum bleeder, pressure bleeder, or a helper for two-person pump bleeding
  • Wrenches for bleeder nipples (typically 8 mm; confirm size) and caliper mounting hardware
  • Tire chocks, jack or ramps, and stands to secure the machine

Model notes – 2019 Yamaha Grizzly 700 4X4 EPS

  • The Grizzly 700 uses separate master circuits: a handlebar master cylinder for the front brakes and a pedal master cylinder for the rear brake. Bleed each circuit independently.
  • There is no factory ABS on the standard 2019 Grizzly 700; bleeding is straightforward hydraulic bleeding. Confirm if your specific unit has aftermarket ABS or linked-brake changes before proceeding.
  • Brake fluid is hygroscopic & degrades over time. MotoSport recommends replacing brake fluid every 24 months or sooner if contaminated, softened pedal, or after water intrusion.
  • Brake fluid will damage paint and plastics — protect the bodywork and immediately wipe any spills.

Safety and prep

  • Work in a well-ventilated, level area. Secure the ATV with parking brake off and chocked wheels as needed.
  • Wear gloves and eye protection. Keep a fire extinguisher nearby when working with flammable cleaners.
  • Clean the reservoir caps and surrounding areas to prevent dirt entering the system.
  • Never reuse old brake fluid. Dispose of used fluid according to local regulations.

Step-by-step fluid replacement & bleeding

1. Prepare the machine

  • Place the Grizzly on a flat surface. Elevate wheels if needed for easy access to calipers and bleeders.
  • Remove or open any bodywork necessary to access reservoirs and bleed nipples without stretching hoses.

2. Access and clean the reservoirs

  • Front reservoir: located on the handlebars (remove the cap). Rear reservoir: located near the right-side rear pedal/master cylinder. Clean the caps and surrounding area before opening.
  • Remove the reservoir cap and carefully lift the diaphragm to access fluid. Avoid introducing dirt.

3. Siphon or remove old fluid from reservoirs

  • Use a clean syringe or turkey baster to remove old fluid from each reservoir. Don't let the master cylinder run dry during bleeding — keep the reservoir partially filled to avoid drawing air into the master.
  • Refill the front reservoir with fresh DOT 4 fluid and replace the cap loosely so the system is closed to contamination but vented during bleeding.

4. Bleeding order and approach

Bleed each hydraulic circuit separately. For each circuit use the farthest caliper from its master cylinder first, proceeding to the nearest. For the Grizzly 700:

  • Front circuit (handlebar master): bleed the front wheel that is farthest from the handlebar master first, then the nearer front wheel.
  • Rear circuit (pedal master): bleed the rear caliper(s) last (rear is its own circuit).

5. Bleeding technique options

  • Two-person pump method: Have an assistant pump the brake lever/pedal several times and hold pressure. Open the bleeder nipple slightly to let fluid and air out into the hose until no bubbles appear, then close nipple before release. Repeat until clear fluid flows and no air appears. Keep reservoir topped up throughout.
  • Vacuum or pressure bleeder: Attach vacuum to bleeder nipple or use a pressure reservoir on the master to push fluid through. Follow the tool manufacturer's instructions; these methods are faster and help avoid pedal contamination from a dry master.
  • Gravity bleeding: slow and not recommended if you need a firm pedal quickly, but it can move air up and out with patience.

6. Detailed bleed steps (example two-person method)

  1. Attach clear hose to the bleeder nipple and place the other end in a catch bottle partially filled with fresh fluid to prevent air re-entry.
  2. Have your helper pump the lever/pedal 3–5 times and hold firm pressure.
  3. Open the bleeder nipple about a quarter turn and allow fluid to run until flow subsides. Close the nipple while pressure is still applied, then instruct helper to release the lever/pedal. Repeat.
  4. Continue until the fluid coming out is clean, bubble-free, and the lever/pedal feels firm. Keep topping the reservoir with DOT 4 fluid so it never runs dry.
  5. Repeat for each caliper in the proper order for that circuit.

7. Final checks and cleanup

  • After bleeding, ensure all bleeder nipples are closed and snug. Wipe any spilled fluid from components and touch-up exposed paint with water-based cleaner if needed.
  • Top reservoirs to the proper level, reinstall diaphragms and caps, and secure. Pump the brake lever/pedal several times until you get a firm feel before riding.
  • Inspect hoses and fittings for leaks while under pressure. Test brakes at low speed before normal operation.
  • Properly dispose of contaminated fluid at an approved recycling center.

Troubleshooting

  • Soft spongy lever after bleeding: likely air remains in the system or reservoir ran dry. Repeat bleeding keeping reservoir full, or use a vacuum/pressure bleeder for stubborn air pockets.
  • Brake fade or poor stopping: confirm correct fluid type (DOT 4), ensure fresh fluid, and check pads/rotors for contamination or wear.
  • Persistent leaks: replace seals, hoses, or calipers as needed; don't ride until repaired.

MotoSport maintenance tips for the Grizzly 700

  • Keep brake fluid fresh every 24 months; heavy-duty riding or water exposure may require more frequent changes.
  • Inspect brake pads and rotors whenever you replace fluid. Contaminated pads should be replaced; cleaning pads with solvents is not recommended if fluid contact occurred.
  • Store DOT 4 fluid in a sealed container; brake fluid absorbs moisture rapidly from the air.
  • If you plan upgrades (stainless lines, caliper rebuilds), MotoSport carries model-specific parts compatible with the GRIZZLY7E platform.

Following this MotoSport guide will help you safely replace and bleed the brakes on your 2019 Yamaha Grizzly 700 4X4 EPS. If you run into unusual issues, contact a Yamaha dealer or a qualified brake technician.

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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.