How to Change the Oil in a 2000 KTM 520MXC: Step-by-Step Guide
Shop parts for a 2000 KTM 520MXC Dirt Bike.
Performing a regular oil change is essential to keep your 2000 KTM 520MXC running reliably and efficiently. This guide, proprietary to MotoSport.com, covers the exact tools required, detailed procedures, and model-specific tips to ensure you change the oil correctly and avoid common pitfalls.
Tools and Materials Needed
- Drain pan
- 13mm socket or wrench (for horizontal drain plug)
- 17mm or 19mm socket or wrench (for oil screen plugs; verify size on your bike)
- Allen key set (for oil screen plugs, M16x1.5 and M20x1.5 per KTM spec)
- Funnel
- Contact cleaner and paper towels
- New oil filter (consult owner's manual for correct part)
- Replacement O-rings for drain plug and oil screens if necessary
- Torque wrench
- High-quality full synthetic oil (Shell Advance Ultra 4 or equivalent, minimum 95 octane recommended for fueling afterwards)
- Owner's/service manual for reference
Specific Call-Outs for 2000 KTM 520MXC Owners
- This bike uses two oil screens (long and short) in addition to the filter, both of which must be removed and cleaned at every oil change.
- Drain plug is magnetic—clean metal particles from the magnet each time.
- Use caution: bolts may be overtightened from previous oil changes; always use a torque wrench for reassembly to avoid stripping threads or rounding bolt heads.
- Oil capacity is 1.25 liters (approximately 1.3 quarts).
- Do not cross-thread or overtighten oil screen plugs, as the cases are soft aluminum and can be damaged.
Step-by-Step Oil Change Procedure
-
Warm Up the Engine
- Start and run the bike for about 2–3 minutes. This warms the oil, helping it drain smoothly and carry away more contaminants.
- Stop the engine and place the bike upright on a stand.
-
Remove the Oil Filler Cap
- Unscrew the cap located on the cylinder head cover by turning it counterclockwise.
- Place the cap somewhere clean to avoid contamination.
-
Drain the Oil (Main Drain Plug)
- Position your drain pan under the back end of the engine.
- Locate the horizontally mounted 13mm drain plug. Carefully loosen and remove it.
- Allow most of the oil to drain. Inspect and clean the plug's magnet using contact cleaner and a towel to remove all metal shavings.
-
Remove and Clean the Long Oil Screen
- Find the long oil screen located under the shifter. Use the correct size socket or Allen key.
- Carefully remove the plug (it may be tight from previous over-torqueing). Wiggle the screen out with needle-nose pliers if needed.
- Inspect, clean, and replace O-ring if visibly damaged.
-
Remove and Clean the Short Oil Screen
- The short oil screen is located on the bottom of the engine.
- Remove the drain plug using an Allen key or socket, as appropriate (check if yours has been replaced with a 10mm bolt before someone swapped hardware).
- Carefully remove the screen and clean it with contact cleaner. Replace O-ring if needed.
-
Replace the Oil Filter
- Remove the oil filter cover bolts using the proper tool.
- Pull out the old oil filter. Wipe the housing clean and insert a new filter in the same orientation.
- Install the cover with a new O-ring if one is provided.
-
Reinstall Oil Screens and Plugs
- Insert and seat both the long and short oil screens. Ensure O-rings are in place and undamaged.
- Tighten the plugs using a torque wrench: Short oil screen (M16x1.5): 10 Nm (7 ft.lb), Long oil screen (M20x1.5): 15 Nm (11 ft.lb), Main drain plug (M12x1.5): 20 Nm (15 ft.lb).
- Overtightening can strip the threads—always use the specified torque.
-
Add New Engine Oil
- Place a funnel in the oil filler hole and pour in 1.25 liters of high-quality full synthetic oil formulated for four-stroke dirt bikes.
- Reinstall the oil filler cap snugly. Don’t overtighten–plastic cap threads can strip easily.
-
Start Engine & Check Oil Level
- Start the engine and let it idle for 1–2 minutes.
- Shut off, wait a couple minutes, then check the oil window or dipstick per your manual’s instructions.
- Top up if needed, but don’t overfill.
Final Checks and Tips
- Clean any oil drips and check for leaks around all plugs and gaskets after the first ride.
- Always inspect the drained oil and filter for excess metallic debris–enough particles could indicate engine wear or damage.
- Never start the bike without oil in the engine.
- Always use premium gasoline (95 octane or higher).
Model-Specific Pitfalls and Best Practices
- Older KTM 520MXCs may have plugs that are stuck or have damaged heads due to excessive torque from previous owners—take extra care not to round off or overtighten. If stuck, try a burst of gentle heat, but avoid excessive force as you may crack the crankcase.
- Verify you have both screens. Some used bikes may be missing one due to neglect during past oil changes.
- If you see significant metal shaving buildup or damaged screens, consult a professional mechanic.
Changing the oil regularly (every 10 hours of use or as specified in your manual) keeps your KTM 520MXC engine in its best shape. With the right tools and the above steps, you can perform this vital maintenance task with confidence and care, ensuring many more miles of reliable riding ahead.
Related Shopping Categories
Shop Motor Oil for a 2000 KTM 520MXC Dirt Bike.
Shop Oil Filters for a 2000 KTM 520MXC Dirt Bike.
Shop Oil Drain Pans for a 2000 KTM 520MXC Dirt Bike.
Shop Tools for a 2000 KTM 520MXC Dirt Bike.
Shop Oil Fillers and Drain Plugs for a 2000 KTM 520MXC 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.