How to Change the Coolant in a 2020 Beta 300 RR Race

Shop parts for a 2020 Beta 300 RR Race Dirt Bike.

Routine coolant changes are vital for optimal performance on your 2020 Beta 300 RR Racea machine known for its competition-tuned chassis and robust two-stroke engine. Proper cooling is crucial, and knowing the specific quirks of this model ensures you get the most out of every ride.

Why Change Your Coolant?

Fresh coolant enhances thermal efficiency, prevents overheating, and inhibits internal corrosion. For demanding off-road riding, changing coolant annually or after heavy seasons is recommended to keep your Race Edition running at peak levels.

What You Need

  • Coolant designed for aluminum engines (consult your owner's manual for type and capacity)
  • Basic hand tools: screwdriver, socket set
  • Drain pan – coolant is toxic, so always dispose of it responsibly
  • Clean funnel, rags, gloves

Step-by-Step Guide: Changing Coolant

  1. Ensure the bike is completely cool.
    Place the 300 RR Race on a stable stand. Let the engine cool fully to avoid burns.
  2. Access the radiator cap.
    Remove the shrouds or plastics as needed to reach the radiator cap comfortably. The cap is on the left radiator when sitting on the bike.
  3. Remove the radiator cap.
    Unscrew the cap slowly to relieve residual pressure.
  4. Drain the old coolant.
    Place a drain pan under the water pump cover (right side). Loosen the drain bolt from the bottom of the water pump coverthe coolant will flow out. Some riders carefully remove the lower radiator hose instead, which also fully drains the system.
    Pro tip: Gently rock the bike side-to-side to maximize drainage from both radiators.
  5. Inspect hoses and clamps.
    Examine for cracks, leaks, or soft spots. Replace any suspect hoses before proceeding.
  6. Reinstall the drain bolt and tighten securely.
    Make sure the washer is in good condition.
  7. Add new coolant.
    Pour the fresh coolant slowly into the radiator until it’s visible just above the radiator cores (not completely to the filler neck). For the 2020+ Beta, you typically fill to above the finsroughly halfway up the radiator jacket is correct.
    There is no bleeder screw on 2020+ models; air will work out as the bike runs.
  8. Prime and bleed the system.
    With cap off, slowly tilt and gently tap the radiators to help trapped air escape. Top off if the level drops.
  9. Run the engine.
    Reinstall the radiator cap and start the engine. Let it idle for a few minutes with occasional blips of throttle. Watch the coolant level through the radiator cap openingif needed, top up again.
  10. Check and top off after riding.
    After your first ride or heat cycle, double-check coolant level when the engine is cool and adjust as needed.

Model-Specific Tips & Notes

  • The 2020 Beta 300 RR Race does not have a radiator bleeder screw like older Betasbleed air by rocking and running the bike.
  • Coolant level should sit just above the radiator cores/fins, not at the filler neck.
  • This engine's cooling system uses forced liquid circulation by pump and requires careful attention to air pockets for best performance.
  • During rebuilds or major service, always inspect for burrs around coolant ports; the 2020 model's head can sometimes have sharp edges that may need minimal dressing for optimal seal and flow.

Final Check

Monitor coolant level before and after every few rides, especially after a full flush or any top-end work. Always check when the engine is cold for accuracy. Use only coolants compatible with your Beta's aluminum components.

Stay on top of routine maintenance to keep your 2020 Beta 300 RR Race dominating trails and tracks with cool, reliable performance.

Related Shopping Categories

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Shop Radiator Hoses for a 2020 Beta 300 RR Race Dirt Bike.

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.