How to Change the Oil in a 2015 Husqvarna FE501S – MotoSport.com Guide

Shop parts for a 2015 Husqvarna FE501S Dirt Bike.

Keeping the oil fresh in your 2015 Husqvarna FE501S is crucial for the engine’s longevity and maximum performance. Changing the oil isn’t complicated, but the FE501S has some specific details you need to know. This guide, proprietary to MotoSport.com, provides a comprehensive, step-by-step approach to changing the oil, including a list of all required tools and unique tips for your bike.

Tools & Supplies Needed

  • 8 mm socket for side covers or skid plate
  • 13 mm socket for drain plug
  • Socket ratchet(s) (1/4" and/or 3/8")
  • Torque wrench (range: 11 ft-lb to 15 ft-lb)
  • Measuring cup (minimum 1.3 quarts/1.2 liters)
  • Fresh engine oil (Motorex 10W-50 full synthetic or OEM spec, approx. 1.2 L)
  • Replacement oil filter
  • Fresh copper crush washer/gasket for drain bolt
  • Large flathead screwdriver or tool for screen alignment
  • Outside snap ring pliers for oil filter access
  • Funnel
  • Drain pan (minimum 2 quarts capacity)
  • Clean rags or shop towels
  • Parts cleaning solvent/contact cleaner
  • Owner’s manual (for torque specs and fill volume confirmation)

Optional: Print pages 131, 132, and 133 from the service manual for reference during the process.

Preparations

  • Ride the bike for 5–10 minutes to warm up the engine oil. Warm oil flows faster and suspends debris for more effective draining.
  • Ensure the motorcycle is upright and secure on a stand to prevent spills or tipping over.
  • Remove any skid plate or plastic covers protecting the engine bottom using the 8 mm socket as needed.

Step-By-Step Oil Change Instructions

  1. Position the Drain Pan: Place the drain pan directly under the engine’s drain plug.
  2. Remove the Main Drain Plug:
    • Use the 13 mm socket to remove the main oil drain bolt under the engine.
    • Allow old oil to drain completely. Be cautious; oil may be hot if the engine was just run.
  3. Remove and Clean Oil Screens:
    • Remove both the long and short oil screen bolts with the appropriate sockets.
    • Carefully pull out the oil screens and inspect for debris or metal shavings.
    • Clean the screens thoroughly with solvent or contact cleaner, then let them dry.
  4. Remove Oil Filter:
    • Unscrew the oil filter cover bolts (typically 8 mm or as applicable).
    • If needed, use snap ring pliers to ease removal of the filter cartridge.
    • Remove the old oil filter and dispose of it responsibly.
  5. Install the New Oil Filter:
    • Lubricate the rubber O-ring on the new filter and filter cover with a dab of fresh oil.
    • Install the new oil filter, ensuring proper alignment.
    • Replace the filter cover and torque bolts to manufacturer spec.
  6. Reinstall and Torque Drain Bolts and Oil Screens:
    • Install new copper crush washers on each drain bolt to prevent leaks.
    • Reinstall and torque the main drain plug and oil screen bolts to spec (typically 11–15 ft-lb; check your manual).
  7. Add New Oil:
    • Remove the oil fill cap on top of the engine.
    • Using a funnel, add 1.2 liters (1.3 US quarts) of fresh oil meeting Husqvarna’s specs (Motorex 10W-50 full-synthetic is OEM recommendation).
    • Wait a few minutes, then check the oil sight glass or dipstick.
  8. Final Checks:
    • Start the bike and idle for 1–2 minutes. Check for leaks around the drain bolts and filter cover.
    • Stop the engine, let sit a minute, then re-check the oil level. Add small amounts as needed—do not overfill.
    • Reinstall the skid plate and any covers using the 8 mm socket.
    • Clean any spilled oil from the bike.

2015 Husqvarna FE501S Specific Notes

  • The engine holds 1.2 liters (approx. 1.3 US quarts) of oil with a filter change. Never exceed the recommended volume; overfilling can lead to engine damage.
  • This model uses two separate oil screens and one external filter cartridge—clean and inspect all screens at each oil change.
  • Always replace the copper crush washer on the main drain bolt to prevent slow leaks or seepage.
  • Torque all bolts to spec. The magnesium cases can strip if over-tightened—follow the values in your service manual diligently.
  • If you ride in dusty, sandy, or hot environments, consider changing the oil and filter more often for optimum engine health.
  • Check the color and presence of debris in the oil at each change. Excessive metal particles may indicate internal wear and should be investigated immediately.
  • If you notice any abnormal oil consumption, leaks, or rapid darkening of the oil, inspect crankcase breather tubes and seals for integrity.

Conclusion

Regular oil changes using proper technique, the right tools, and recommended lubricants are among the best ways to keep your 2015 Husqvarna FE501S running at its peak. Following the steps outlined above and paying attention to model-specific callouts will ensure clean lubrication, smooth power delivery, and long engine life. For further parts, lubricants, or filter kits, trust MotoSport.com for quality supplies and expert support every ride.

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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.