How to Change the Oil in a 2018 GAS GAS EC200

Shop parts for a 2018 GAS GAS EC200 Dirt Bike.

Regular oil changes are essential for maintaining the performance and longevity of your GAS GAS EC200. This step-by-step guide—proprietary to MotoSport.com—covers everything you need to know specific to the 2018 model, including recommended tools, key steps, and important call-outs for this make and year.

Tools and Supplies Needed

  • Socket wrench set (with the correct size for drain bolt, typically 13mm or 17mm)
  • Drain pan (to catch used oil)
  • Funnel (to reduce spillage when filling new oil)
  • Torque wrench (for precise tightening of bolts)
  • New transmission oil (consult your owner’s manual, but typically 10W-40 or factory-recommended gear oil)
  • Rags or paper towels
  • Rubber gloves (to keep your hands clean)
  • Gasket or crush washer (recommended to replace with every oil change)

Preparation

  • Warm up the engine for a few minutes. This helps the oil to flow out more easily by reducing its viscosity.
  • Find a stable, level area and use a suitable stand to keep your bike upright and secure.
  • Make sure the bike is turned off, the ignition key is removed, and the bike is cool enough to handle safely.

Step-by-Step Oil Change Process

  1. Remove the Oil Drain Plug
    Place your drain pan under the engine’s transmission case. Use your socket wrench to remove the oil drain plug–typically located on the underside or lower side of the crankcase. Be cautious; the oil may flow out quickly and could be hot.
  2. Drain the Old Oil Completely
    Allow all of the old oil to drain out. To ensure complete drainage, you can tip the bike gently to the side. Some owners use the kickstarter with the kill switch engaged to rotate the crank and help scour old oil from crevices, just be careful not to spill too much.
  3. Inspect and Clean the Drain Plug
    Wipe off the drain plug, especially if it has a magnetic tip. Inspect it for any large metal shavings—small metallic dust is normal, but larger chunks could indicate internal wear or damage.
  4. Replace the Crush Washer
    Remove the old crush washer (if fitted) and replace with a new one. This helps prevent leaks.
  5. Reinstall and Tighten the Drain Plug
    Carefully thread the drain plug back in by hand to avoid cross-threading. Tighten with the torque wrench to the manufacturer’s recommended specification (consult your manual for exact torque; overtightening can strip the threads). Do not overtighten.
  6. Refill with New Oil
    Use a funnel for accuracy and to avoid spills. The 2018 GAS GAS EC200 gearbox typically takes 900ml of transmission oil. Pour in oil slowly and check the sight glass or dipstick if fitted. Do not overfill.
    Pro Tip: Always double-check the oil specification in your owner’s manual to use the manufacturer-recommended oil for optimal clutch and gearbox performance.
  7. Check Oil Level
    With the bike upright and level, check the oil level. Add more oil if necessary, but don’t exceed the recommended quantity.
  8. Start the Engine Briefly
    With the kill switch engaged, kick the engine over a few times (without starting) to circulate oil through the gears. Re-check for leaks around the drain plug.
    Start the engine and let it idle for a minute, then turn off and re-check the oil level and for any leaks.
  9. Dispose of Waste Oil Properly
    Take your used oil to a local recycling center or auto shop with oil recycling services. Never pour used oil down drains or onto the ground.

Model-Specific Callouts for the 2018 GAS GAS EC200

  • This bike uses a liquid-cooled 2-stroke engine with a separate transmission oil compartment—do not confuse gearbox oil with pre-mix or 2T oil.
  • The drain plug location may be less accessible; use a compact socket and funnel to make the job cleaner and easier.
  • Inspect the magnetic drain plug at each oil change. A fine metallic “sludge” is normal, but larger shards may indicate internal wear.
  • Unlike some newer motocross models, the EC200 does not have a paper oil filter—only an oil “screen”, so filter replacement is not required.
  • Always use the correct oil type—2-stroke dirt bike transmissions require specific gear oil for clutch performance and protection.
  • Check for proper gasket/crush washer fitment at each service, as leaks can develop if reused.

Additional Tips

  • Complete the oil change after every 10-15 riding hours, or after hard or wet riding conditions, for best longevity.
  • Keep service records; regular maintenance not only extends the life of your EC200 but can also improve resale value.
  • If you notice excessive oil contamination, gritty feel, or recurring leaks, inspect or consult a certified mechanic for a deeper check.

Conclusion

The 2018 GAS GAS EC200 makes oil changes straightforward with the right approach and tools. Consistent oil maintenance is a key step every owner can take to ensure their bike runs smoothly for years to come.

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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.