How to Change the Oil in a 2025 GAS GAS MC 150: Step-by-Step Guide
Shop parts for a 2025 GAS GAS MC 150 Dirt Bike.
Changing the oil on your 2025 GAS GAS MC 150 is a crucial maintenance task that ensures your engine runs smoothly and reliably. Regular oil changes prolong engine life, improve performance, and give you peace of mind on the track or trail. Built on the proven KTM platform, the 2025 MC 150 shares many service traits with other modern Austrian off-road bikes, but there are specific details to watch for.
Tools and Supplies Needed
- Motorex Cross Power 4T 10W/50 full synthetic oil (1.2 liters)
- OEM oil filter
- Crush washer for drain bolt
- Oil drain pan
- 13mm socket and ratchet
- 8mm Allen wrench (T-style works best)
- 8mm T-handle or socket
- Rags or shop towels
- Latex/nitrile gloves
- Funnel
- Bike stand compatible with MC models
- Optional: Bullet Proof Oil Drain Tool for a cleaner change
Preparation Steps
- Start the bike and let it idle for 3–4 minutes. Warm oil drains more thoroughly and suspends debris.
- Shut off the engine and allow it to cool for at least 10 minutes, preventing accidental burns and providing time for oil to settle in the sump.
- Ensure your MC 150 is upright and stable on a dirt bike stand, ideally one designed for easy drain bolt access.
Step-by-Step Oil Change Process
-
Remove the Oil Filler Cap
Unscrew the oil fill cap (usually located on the clutch cover) and set it aside. This allows air in, helping the old oil drain faster. -
Locate and Remove the Drain Plug
Find the oil drain plug on the bottom of the engine. On the 2025 MC 150, it’s typically accessible without removing the skid plate if you use a purpose-built stand. Position your oil pan underneath.
Use a 13mm socket to remove the drain plug. Watch for the crush washer; you must replace it to prevent leaks. -
Let the Oil Fully Drain
Tip the bike gently side to side to encourage complete drainage. If you have the Bullet Proof Oil Drain Tool, install it now for a mess-free process—simply thread it in place of the plug and let gravity do the work. -
Remove and Replace the Oil Filter
Use the 8mm T-handle to unbolt the oil filter cover (usually held by two bolts). Remove the old oil filter—pliers can help if it’s stuck. Wipe the filter cavity clean with a rag. Install a new OEM oil filter, making sure it seats perfectly. Reinstall the cover and snug the bolts evenly to the manufacturer’s torque spec. -
Install New Crush Washer and Refit the Drain Plug
Install the new crush washer onto the drain bolt. Thread the plug in by hand, then tighten with the ratchet. Do not over-tighten—use the torque spec from your manual for best results. -
Add New Engine Oil
Insert a funnel into the filler hole and pour in 1.2 liters of Motorex Cross Power 4T 10W/50 full synthetic oil. Replace the filler cap securely. -
Start and Check for Leaks
Start the engine and let it idle for 2–3 minutes. Shut it off and carefully inspect around the drain plug and oil filter cover for leaks. Top off oil if needed, as the filter may absorb some oil on first start. -
Dispose of Used Oil Responsibly
Pour used oil into a sealed container and bring it to a certified recycling center.
Important Model-Specific Tips for the 2025 GAS GAS MC 150
- Skid Plate Compatibility: The MC 150 may have a skid plate installed. Ensure your stand allows access to the drain plug, or remove the plate before starting if needed. Some aftermarket stands make this easier.
- Drain Plug Access: Don’t use conventional stands that block the drain plug. Pro-style stands designed for MC/KTM/Husqvarna chassis allow clear access.
- Oil Capacity: Use exactly 1.2 liters of oil. Overfilling or underfilling can cause engine damage or poor clutch function.
- Crush Washer: Always replace with every oil change to guarantee a proper seal.
- OEM Parts: Use genuine GAS GAS filters and washers to ensure fit and performance.
- Regular Interval: For serious riding, change oil every 5–10 hours or after every two or three intense rides, whichever comes first.
Conclusion
Performing your own oil change on the 2025 GAS GAS MC 150 is straightforward with the right tools and attention to detail. Always use recommended fluids and OEM replacement parts to keep your machine running at its best. Regular maintenance protects your investment and keeps you on the throttle longer—no shortcuts, just MotoSport-level care.
Related Shopping Categories
Shop Motor Oil for a 2025 GAS GAS MC 150 Dirt Bike.
Shop Oil Filters for a 2025 GAS GAS MC 150 Dirt Bike.
Shop Oil Drain Pans for a 2025 GAS GAS MC 150 Dirt Bike.
Shop Tools for a 2025 GAS GAS MC 150 Dirt Bike.
Shop Oil Fillers and Drain Plugs for a 2025 GAS GAS MC 150 Dirt Bike.
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.