How to Change the Oil in a 2010 GAS GAS EC200 – A Complete Guide by MotoSport.com

Shop parts for a 2010 GAS GAS EC200 Dirt Bike.

Changing the oil in your 2010 GAS GAS EC200 is an essential part of regular maintenance and will keep your dirt bike performing at its peak. This detailed guide will walk you through every step, highlight the tools needed, and point out specific callouts for your EC200 model. Whether you’re a seasoned rider or a new dirt bike owner, following these steps will ensure a clean and effective oil change every time.

Tools and Supplies Needed

  • 6mm Allen (Hex) socket or wrench – For removing the oil drain and fill plugs
  • Ratcheting wrench (drive for socket above)
  • Oil catch pan – To collect old oil
  • Funnel (long, narrow tip recommended) – The EC200 has a recessed, awkwardly placed fill hole
  • New engine/transmission oil (per GAS GAS specs) – Approx. 900cc; use GRO Global Ultra-5 or equivalent quality oil
  • Clean rags – For wiping spills and cleaning parts
  • Replacement O-ring for drain plug (recommended)
  • Gloves – Optional, for cleaner hands

Optional but helpful: Service manual (for torque specs), small mirror (to spot hard-to-see plugs), small flashlight.

Model Specific Call-Outs: 2010 GAS GAS EC200

  • The oil fill plug is recessed and located in a hard-to-reach spot, requiring patience and the right funnel.
  • The drain plug is on the bottom of the engine. There is a factory hole in the skid plate; aftermarket plates may require you to create a matching hole for access.
  • This bike holds approximately 900cc of oil.
  • The sight glass can be tricky to use—tilting the bike slightly may help check the oil level.
  • Be careful installing the O-ring on the drain plug to prevent leaks and overtightening, which can damage threads.

Step-by-Step Instructions

  1. Warm Up the Engine
    Start your EC200 and let it idle for about 5 minutes. This helps suspend contaminants in the oil and makes it flow out more easily and completely.
  2. Position the Bike
    Place the bike on a flat, level surface using a stand. Ensure stability before beginning.
  3. Remove the Skid Plate (if necessary)
    If you have an aftermarket skid plate without a factory drain access hole, remove it according to manufacturer instructions.
  4. Locate and Remove the Drain Plug
    Use your 6mm Allen wrench/socket and loosen the drain plug (check under the engine for location). Position your oil catch pan underneath. Carefully remove the plug by hand once loosened, and let the oil drain completely.
    Tip: Let the bike rest for several minutes to ensure all oil exits, or carefully tip the bike side to side.
  5. Inspect and Replace the O-Ring
    Remove the O-ring from the drain plug and inspect for cracks or flattening. Replace if necessary for a proper seal.
    Do not overtighten the drain plug during reinstallation—a common source of leaks and thread damage.
  6. Reinstall and Tighten the Drain Plug
    Wipe the drain plug and mating surface clean. Install a new or inspected O-ring. Reinstall the plug by hand and snug it with the Allen wrench. Do not overtighten.
  7. Add New Oil
    Insert the funnel into the fill plug (typically on the right side of the engine, deeply recessed). Pour in new oil slowly, due to the small opening. Go in stages to avoid spills—add about 700cc, pause, then top up to 900cc..
    Patience is crucial here. Let oil settle inside the engine between pours and check the level at each stage.
  8. Check the Oil Level
    Use the sight glass next to the fill plug. The oil should reach the full marker. If the bike is not level, tilt it upright briefly to get an accurate reading.
  9. Reinstall Fill Plug
    Wipe off any excess oil, reinstall the fill plug, and tighten securely but not excessively.
  10. Start and Inspect
    Start the bike for a minute, let the oil circulate, then shut it down. Let it rest, then recheck oil level and add if needed. Inspect for any leaks at the fill or drain plug.

Expert Tips from MotoSport.com

  • Check the oil every 5-10 ride hours for level and clarity.
  • Use only the manufacturer-recommended oil type for longevity and best clutch/gearbox function.
  • Buy several O-rings and keep them on hand for future changes.
  • Log each oil change in your maintenance notebook.
  • If uncertain on torque values, hand-tight and a quarter turn is usually sufficient for drain/fill plugs.

Common Mistakes to Avoid

  • Overfilling oil, which can cause foaming and poor shifting—go slow and check the sight glass frequently.
  • Stripping the drain or fill plug—never force if resistance feels excessive.
  • Reusing a damaged drain plug O-ring—this creates leaks and headaches.

Changing your 2010 GAS GAS EC200’s oil regularly ensures optimal performance, longer engine and gearbox life, and smoother shifts. Trust MotoSport.com for all your parts, oil, and expert technical resources.

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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.