How to Change the Oil in a 2022 GAS GAS EC 300: A MotoSport.com Guide
Shop Parts for a 2022 GAS GAS EC 300 Dirt Bike.
Changing the oil in your 2022 GAS GAS EC 300 is a straightforward maintenance job that will keep your bike running smooth, protect its transmission, and extend component life. Here’s a comprehensive step-by-step guide—exclusive to MotoSport.com—so you can tackle this service with confidence.
Tools & Supplies Needed
- 6mm Allen/hex socket (ideally with a ratchet or socket wrench)
- Drain pan/oil catch container
- New transmission oil (approx. 900cc / 0.95 US quarts; recommended: high-quality 2-stroke gear oil or as specified in your owner’s manual)
- Funnel (narrow or with flexible spout for small fill hole)
- Papertowels/rags for cleanup
- Parts cleaner or brake cleaner (optional, for plug cleaning)
- Torque wrench (optional, but ideal)
- Gloves for safety
Model-Specific Call-Outs for the 2022 GAS GAS EC 300
- The oil fill plug is quite small and located inconveniently on the right side near the clutch cover—using a funnel is highly recommended.
- The drain plug is on the bottom of the crankcase, accessible through the skid plate hole. Ensure any aftermarket skid plate you have has an opening large enough for drainage and tool access.
- The retained transmission oil volume is about 900cc; do not overfill to prevent foaming or seal leaks.
- This two-stroke model does not use an oil filter for the transmission; no oil filter needs to be changed.
- The drain plug is magnetic—inspect for metal debris but don’t be alarmed by some particles, especially after clutch work or break-in.
Step-by-Step Oil Change Procedure
- Start with a warm engine (but not hot; a few minutes of idling helps thin the oil for easier draining).
- Place the bike on a secure stand. Level the bike and ensure the area is well-lit and ventilated.
- Remove the bash/skid plate if necessary. The plate may block access to the drain plug. Use your appropriate size Allen if removal is required.
- Position your drain pan beneath the engine. Locate the drain plug on the underside—check your skid plate’s access hole.
- Remove the drain plug using the 6mm Allen socket. Allow oil to flow completely into the pan.
- Inspect and clean the magnetic drain plug. Wipe off any fine metallic particles with a rag or gently clean with parts cleaner. Excessive debris could indicate a problem.
- Reinstall the drain plug. Tighten gently but firmly. If using a torque wrench, refer to your owner’s manual for spec, usually around 10–15 Nm. Do not overtighten; the plug is aluminum and can strip.
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Remove the oil fill plug.
- Located on the right crankcase cover, above the clutch.
- Use a rag to clean around the plug before removal—prevent dirt from falling inside.
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Add new oil.
- Pour in 900cc (0.95 US quart) of recommended gear oil using a funnel.
- Take your time—the fill hole is tight and can splash.
- Reinstall the oil fill plug. Wipe away any spilled oil.
- Start the bike briefly (holding clutch in neutral) and check for leaks at the drain and fill plugs.
- Reinstall skid plate (if removed) and clean any remaining oil off engine or frame.
- Properly dispose of used oil. Bring it to a recycling center or auto parts store—never dump in the trash or on the ground.
Extra Tips for 2022 GAS GAS EC 300 Owners
- Frequent oil changes are better for clutch and gearbox life, especially if you ride hard or in tough terrain.
- If you see excessive clutch debris (gray sludge or flakes on the magnetic plug), consider inspecting your clutch plates.
- Avoid overtightening all plugs—aluminum engine cases strip easily.
- Always use the recommended oil type, as two-stroke transmission/clutch gearboxes rely on oil for shifting smoothness and clutch longevity.
Why Trust MotoSport.com?
MotoSport’s mechanics and contributors have decades of experience with off-road bikes. We cater to specific model quirks, giving you the confidence to maintain your GAS GAS with the right steps, tools, and know-how. For parts, oil, and professional products, visit our selection matched to your model year and application.
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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.