How to Change the Coolant in a 2017 Beta 250 RR

Shop parts for a 2017 Beta 250 RR Dirt Bike.

Regular coolant changes are essential for maintaining your 2017 Beta 250 RR–overheating can quickly cut short any ride. While Beta's engineering ensures strong cooling efficiency, keeping the system fresh with new coolant every 40–50 hours of ride time or at least once per year will optimize performance and extend component life.

Tools & Supplies You Need

  • Socket set (to remove body panels and the drain bolt)
  • Drain pan
  • Fresh coolant (pre-mixed motorcycle-specific coolant recommended)
  • Funnel
  • Rag or shop towels
  • Safety gloves and goggles

Important Model Notes

  • The 2017 Beta 250 RR uses a forced liquid cooling system with a pump—be aware that any trapped air can impair circulation, so coolant bleeding is crucial.
  • Check for any signs of leaking around the water pump or hoses, as some older gaskets/seals can degrade faster based on riding conditions.
  • Never mix coolant types (e.g., silicate vs. non-silicate) as this could cause corrosion inside the engine and radiators.
  • If you experience frequent overheating, inspect your radiator and cap as well as the thermostat—older models sometimes develop cap seal issues, and debris can block coolant passages.

Coolant Change Instructions

  1. Let the bike cool completely. Removing the radiator cap while hot can cause dangerous steam and fluid to spurt out.
  2. Remove the radiator cap. Locate the radiator on the right side of the Beta 250 RR, and twist the cap off to allow pressure to release and for coolant to drain freely.
  3. Find the coolant drain bolt. This is typically at the lowest point of the water pump cover (left side of the engine case) and will have a copper washer.
  4. Position your drain pan under the bolt, and remove the bolt. Coolant will flow out quickly—use shop towels to catch excess splashes.
  5. To remove residual coolant from the system, gently tilt the bike side to side, or give the kickstarter a couple of slow kicks (with ignition off and spark plug cap grounded) to help any remnant fluid drain.
  6. Reinstall the drain bolt and tighten to the manufacturer's torque spec if possible. Check the copper washer for wear and replace if necessary.
  7. Refill with new coolant through the radiator neck using a funnel. Fill slowly to minimize air bubbles and fill to the base of the cap's neck.
  8. "Burp" the system by rocking the bike gently side to side, then top off as the coolant level drops. This helps purge trapped air that could cause hot spots.
  9. Reinstall the radiator cap and run the engine for several minutes. Avoid high rpm; keeping the bike at idle helps any remaining air bleed out.
  10. After cooling down, recheck coolant level. Add more if needed and confirm no leaks at the drain bolt or hose connections.

Final Tips for Your Beta 250 RR

  • Beta recommends checking the coolant system regularly for signs of discoloration or debris—if your old coolant is cloudy or contaminated, consider flushing the system with distilled water before refilling.
  • Retorque all fasteners after the first ride following your coolant change–vibration can loosen drain bolts or hose clamps.
  • Always use a motorcycle-specific, non-silicate, pre-mixed coolant for best results with the aluminum engine parts and radiator of your 250 RR.

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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.