How to Change the Oil in a 2013 GAS GAS EC200R: Step–by–Step Guide

Shop parts for a 2013 GAS GAS EC200R Dirt Bike.

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Routine oil changes are essential for maintaining the performance and reliability of your 2013 GAS GAS EC200R dirt bike. This guide covers all tools you'll need, step–by–step instructions, and call–outs for this specific model year.

Tools & Parts Needed

  • Socket wrench set (with correct size socket for the drain bolt, usually 13mm or 14mm)
  • Torque wrench
  • Oil drain pan
  • Funnel (small for two-strokes)
  • Clean rags or shop towels
  • Gloves
  • Fresh transmission oil (see call–outs below for exact type/amount)
  • Replacement drain bolt washer/crush washer (optional but recommended)
  • Parts cleaning brush (for cleaning the drain bolt and area)

Oil Type and Capacity Call–Out

  • The 2013 GAS GAS EC200R uses a separate transmission oil–it is a 2-stroke engine, meaning the engine lubrication is via premix, but the gearbox requires routine oil changes.
  • Recommended oil: Fully-synthetic 10W-40 or 15W-50 transmission oil, or a dedicated two-stroke gear oil. Motorex Cross Power 4T is popular.
  • Oil capacity: approximately 900 mL (0.9 L)

Preparation

  • Ensure the bike is on a stable stand and that the engine is warm but not hot (to help old oil drain thoroughly).
  • Clean around the oil filler and drain bolt so no dirt enters the gearbox during service.
  • Position your oil drain pan beneath the drain bolt.

Step–by–Step Oil Change Procedure

  1. Remove the oil drain bolt:
    • Locate the transmission oil drain bolt, usually at the lowest point of the engine/crankcase.
    • Use the socket wrench to carefully loosen and remove it, being careful not to strip threads.
    • Allow all the old oil to fully drain into your pan. Be patient and let it drip until nearly stopped.
  2. Inspect the oil and drain bolt:
    • Check the old oil for any significant metal pieces–small shavings on the magnetic drain plug are normal, but large fragments could indicate gearbox wear and should be investigated by a mechanic.
    • Clean the drain bolt thoroughly, especially the magnet.
    • Replace the drain bolt washer/crush washer if worn.
  3. Reinstall the drain bolt:
    • Thread the bolt in by hand to avoid cross-threading.
    • Use the torque wrench to tighten to manufacturer specifications (typically around 15–20 Nm–check your manual for the exact value).
    • Be careful not to overtighten, as the aluminum cases are soft and threads can strip easily.
  4. Add fresh transmission oil:
    • Locate and remove the transmission oil fill cap (often on the right side of the case above the clutch cover).
    • Insert a funnel (required due to limited access on many GAS GAS models).
    • Pour in 900 mL (0.9 L) of the chosen oil.
    • Reinstall and hand-tighten the oil fill cap.
  5. Check oil level and leaks:
    • Some models have an oil level sight glass or inspection bolt. Check to ensure the oil reaches the “level” mark (with the bike upright).
    • Inspect around the drain bolt and fill cap for any leaks. Re-torque if necessary.
  6. Final steps:
    • Wipe down any spills with shop towels.
    • Kick the engine over a few times without starting to circulate the oil.
    • Start the bike and let it idle for a minute, then recheck for leaks.

Important Notes and Specific Call–Outs for the 2013 GAS GAS EC200R

  • This bike does NOT use a standard spin-on or cartridge oil filter–only an internal mesh screen that should be cleaned during more thorough services, not every oil change.
  • Only transmission oil gets changed. The engine is a two-stroke and is lubricated by premix (100% synthetic 2T oil at 50:1 ratio as noted in technical data).
  • If you see significant metal debris on the drain magnet or in the old oil, consult a mechanic, as this could be a sign of gearbox wear or potential future failure.
  • Tightening torque is critical. GAS GAS case threads are soft—do not overtighten any bolts or caps.
  • If a drain bolt washer is not included with your parts, reuse only if undamaged to prevent leaks. Crush washers should be replaced regularly.

Disposal and Aftercare

  • Dispose of used oil responsibly at a recycling center or automotive shop.
  • Record the date and oil type in your maintenance log.
  • Check for leaks again after your first short ride.

By following these steps, your 2013 GAS GAS EC200R will stay in excellent mechanical health and ready for aggressive riding.

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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.