How to Change the Oil in a 2013 Beta 520 RS

Shop parts for a 2013 Beta 520 RS Dirt Bike!

Routine oil changes are vital to keeping your 2013 Beta 520 RS running clean, cool, and powerful. This step-by-step guide, exclusive to MotoSport, covers the full process and explains unique details every owner needs to know for this model.

What You Need

  • Engine oil: 10W-50 full synthetic is recommended
  • Gear/transmission oil: 75W or 80W GL-4/GL-5
  • Oil filter & oil filter cover o-ring (replace every oil change)
  • Replacement drain bolt washers (recommended)
  • Socket set: 8mm, 13mm
  • Measuring cup/graduated cylinder (cc/ml marked)
  • Shop rags, rubber gloves, and a drain pan

Step 1 – Prep Your Bike

  • Warm up the engine for several minutes. This helps oil flow and suspends contaminants.
  • Shut off the motor, place the bike on a stand, and remove the skid plate for easy access to the drain bolts.

Step 2 – Drain Old Engine & Transmission Oil

  • Locate the engine oil drain bolt and the transmission oil drain bolt beneath the engine. Both take a 13mm socket.
  • Place the drain pan beneath the engine and remove both drain bolts. Allow all oil to drain until the stream is reduced to drops.
  • Optional but recommended: Remove the oil filter cover (8mm bolts) and the oil filter. Discard old o-ring if replacing.

Step 3 – Replace the Oil Filter

  • Install a new oil filter, ensuring the open end faces the engine.
  • Install a new oil filter cover o-ring, if needed, and tighten the cover bolts evenly and snugly (do not overtighten).

Step 4 – Install Drain Bolts

  • Replace the drain bolt washers or o-rings if worn.
  • Install the transmission and engine drain bolts. Torque specs: engine drain bolt to 15 Nm, transmission drain bolt to 20 Nm.

Step 5 – Refill Fresh Oil

  • Using a graduated cylinder or measuring cup, add 850cc of full synthetic 10W-50 engine oil to the engine side and 1000cc of gear oil to the transmission side for the 2013 Beta 520 RS. These volumes apply specifically to this model – later Beta bikes use less oil.
  • Fill at the respective filler caps. Do not overfill; use precise measurements, as the sight glass and check bolt can give inconsistent readings. Trust the measured oil quantity rather than visual checks – this is model-specific advice.
  • Replace the filler caps, making sure o-rings are still pliable and tight.

Step 6 – Final Check

  • Start the engine and let it idle for 2 minutes. Shut off and let stand for a minute.
  • Check for oil leaks at the drain bolts and filter cover.
  • Inspect the oil level via the sight glass only as a backup – not as your primary fill indicator. Oil circulates into new cavities and the sight glass can appear misleading due to the unique dual-oil system and Beta's design on these years.

Essential Tips for 2013 Beta 520 RS Owners

  • This model uses a dual-oil system – one for the engine, one for the gearbox. Always use the correct oil type and quantity in each side.
  • Do not use the check bolt or sight glass as your only reference for proper fill. They can cause you to underfill or overfill. Always go by measured amount for this model.
  • Change your oil and filter every 10 hours of riding or after any muddy, sandy, or extremely hard riding session.
  • The 2013 Beta's magnetic drain plugs will often show some captured metal debris – clean thoroughly before reinstalling, but minor metal flakes are normal, especially after break-in.

With fresh fluids, precise service, and the right parts, your 2013 Beta 520 RS will continue to deliver the outstanding power and durability it's known for on any trail or track.

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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.