How to Change Brake Pads on a 2018 Beta 350 RR Race Edition

Shop parts for a 2018 BETA 350RRRACE Dirt Bike.

Why keeping the brakes fresh matters

The 2018 Beta 350 RR Race Edition is a high-revving 350cc enduro/motocross-style machine that relies on crisp, predictable braking for safety and control on trails, hills and track laps. Most modern dirt bikes including the 2018 Beta 350 RR Race Edition use hydraulic disc brakes — a master cylinder and brake lever or pedal pressurize fluid through a line to a caliper, which squeezes brake pads against a steel rotor. Worn pads reduce stopping power, increase stopping distance and can damage rotors, so timely replacement is essential.

Signs your Beta 350 RR Race Edition needs new pads

  • Reduced braking power or longer stopping distances
  • Squealing, squeaking or grinding noises when braking
  • Excessive lever or pedal travel before bite
  • Visible pad material worn thin — less than 1.5-2 mm of friction material is a good service cue
  • Heat discoloration, scoring or blueing on the rotor surface

Inspect pads after muddy rides or long hard sessions. Dirt and grit accelerate wear, and early detection keeps you safe.

Quick brake system overview

  • Brake lever or pedal – the rider control.
  • Master cylinder – converts lever movement to hydraulic pressure.
  • Hydraulic line – transmits pressure to the caliper.
  • Brake caliper – holds pistons and brake pads.
  • Brake pads – friction material that presses against the rotor.
  • Brake rotor – steel disc attached to the wheel.

Hydraulic pressure pushes the caliper pistons, forcing the pads to clamp the rotor and slow the bike.

Tools and supplies you'll need

  • Appropriate new brake pads for a 2018 Beta 350 RR Race Edition
  • Basic hand tools – socket or wrench set, pliers, screwdriver
  • Small hammer or punch (for stubborn retaining pins)
  • Brake cleaner or isopropyl alcohol and clean lint-free rags
  • Rubber mallet or soft-faced tool (optional)
  • Bike stand to support the bike off the ground
  • Gloves to keep pads and rotor oil-free

Step-by-step – changing the brake pads

  1. Prepare the bike and workspace. Park on level ground, block the rear wheel, and place the Beta on a stable stand so the wheel you're working on can spin freely. Clean heavy mud from around the caliper area to keep contaminants out of the caliper while you work.
  2. Decide whether to remove the wheel. Many Beta calipers allow pad changes without removing the wheel; however, if access is tight or you prefer better visibility, remove the wheel first. If you remove the wheel, loosen axle hardware, support the fork, and slide the wheel out following your typical wheel removal sequence.
  3. Remove retaining pin or clip. Locate the caliper retaining pin(s) or cotter clip. Use pliers or a screwdriver to remove the clip, then push or tap out the retaining pin. Keep hardware safe for reuse unless supplied with new pads.
  4. Slide out the old pads. With the retaining pin removed, pull the pads straight out. Note orientation and any shims so you can install the new pads the same way. If pads are stuck, carefully pry with a flat screwdriver through the caliper opening while supporting the caliper to avoid damaging the piston.
  5. Inspect the rotor and caliper. Check rotor thickness and surface for deep scoring or warping. Look for leaks around the caliper seal or master cylinder. Inspect slide pins or guide surfaces – they should move freely and be clean of corrosion and debris.
  6. Compress the piston(s). With the old pads out, press the caliper piston(s) back into the caliper body to make room for the new pads. Use a flat wooden block or a dedicated piston press to push evenly; avoid metal-on-piston contact that could damage the seal. If the piston is very stiff, gently work it in and out while cleaning the exposed seal area.
  7. Clean the caliper and rotor contact points. Use brake cleaner or isopropyl alcohol on a rag to remove dirt, oil and pad dust from the caliper, pad carrier and rotor surface. Do not contaminate new pad faces with grease or oil.
  8. Install the new pads. Place new pads into the caliper in the same orientation as the old ones. Ensure any backing plates or shims are correctly seated. Slide the retaining pin back through and reinstall the clip or locking device. Confirm the pin is fully seated and the clip is secure.
  9. Reinstall the wheel if removed. Fit the wheel back in the forks or swingarm, align axle, torque axle and pinch bolts to spec, and re-check wheel spin and caliper alignment. Make sure the rotor runs centered through the caliper without rubbing the pads excessively.
  10. Restore hydraulic pressure. With the bike on the ground and wheel secure, pump the brake lever or press the pedal several times until you feel firm resistance and the pads contact the rotor. This re-seats the pistons and clears any air in the small gap between pad and rotor.
  11. Final checks. Spin the wheel to ensure no dragging occurs, double-check retaining hardware and brake lever feel, and visually inspect for fluid leaks around the caliper.

Helpful inspection tips while you're in there

  • Measure rotor thickness and examine for deep grooves; replace rotor if severely scored.
  • Check for brake fluid leaks around caliper seals & hose fittings.
  • Confirm caliper slides or guide pins move freely; dirt and corrosion restrict movement and cause uneven wear.
  • Clean any accumulated mud or debris from the caliper bracket and pad slot.
  • Ensure retaining pins and clips aren't worn or bent; replace if they don't secure snugly.

Bedding in new pads

Bedding new pads is simple but important. Ride to a safe, low-traffic area and perform 8-12 controlled stops from moderate speed, applying progressive braking to build heat evenly. Avoid hard stops until you've completed the bedding sequence and the pads have a stable, consistent feel. This helps transfer an even layer of pad material to the rotor for best performance.

Notes on Beta 350 RR Race Edition braking context

The 2018 Beta 350 RR Race Edition blends enduro agility with motocross-like power, so the brake setup is sized to match a 350cc single’s midrange and trail needs. Most bikes in this class use single-disc front and rear systems with robust calipers; generational changes typically focus on rotor size or caliper piston counts, but the basic pad-change steps remain the same. Regular checks after muddy, sandy or long downhill sessions keep braking predictable.

Changing brake pads is one of the most direct ways to keep your 2018 Beta 350 RR Race Edition performing on the trail or track. With basic tools and careful inspection you can complete this maintenance at home and get back to riding with confidence.

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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.