How to Change the Oil in a 2019 Husqvarna FX350: Step-by-Step Guide

Shop parts for a 2019 Husqvarna FX350 Dirt Bike.

Keeping your 2019 Husqvarna FX350 engine healthy requires routine oil changes. This detailed MotoSport.com guide will walk you through tools needed and each step unique to your dirt bike, helping you accomplish a safe and mess-free oil service from start to finish.

Tools & Supplies Needed

  • Drain pan
  • 13mm socket with ratchet (deep)
  • 8mm socket and ratchet
  • Needle nose pliers
  • Cleaning rags or paper towels
  • Contact or brake cleaner (for cleaning parts)
  • New oil filter specific to Husqvarna FX350
  • New engine oil (1.1 quarts of manufacturer-recommended oil grade)
  • Funnel
  • Torque wrench (optional but highly recommended)
  • Triangle stand or sturdy bike stand
  • Replacement drain plug washer (recommended)

Preparation and Safety

  • Warm up the engine for about 1–2 minutes. Warm oil flows more quickly, helping debris drain out.
  • Turn off the bike and ensure it's stable on a triangle or work stand with the engine off and cool enough to safely handle.

Step-by-Step Process

  • Remove the Skid Plate (if equipped): Use your 8mm socket to remove the skid plate for easier access to drain bolts.
  • Drain the Old Oil:
    • Position the drain pan under the engine's bottom sump plug.
    • With your 13mm deep socket, carefully loosen and remove the main drain bolt. Be ready for oil to flow quickly. Make sure the washer doesn't stick to the engine or fall into the pan.
    • Let oil drain completely for several minutes.
  • Remove & Clean the Oil Screen:
    • Using needle nose pliers, gently pull the oil screen from its housing. Lay it on a towel and clean thoroughly with solvent or contact cleaner.
    • Inspect the oil screen for debris/damage; replace if necessary.
  • Remove the Secondary Drain Bolt & Oil Filter:
    • Locate and remove the second drain bolt (also 13mm) that holds the oil filter screen. Again, check for an O-ring and make sure it isn't damaged.
    • Allow any residual oil to finish draining.
    • Access the oil filter cover (typically with an 8mm socket), then remove the oil filter.
  • Replace Oil Filter:
    • Oil the new filter with fresh engine oil to aid initial lubrication and fitment.
    • Install the new filter into its housing, ensuring correct orientation and that it seats fully.
    • Reinstall and torque the filter cover securely.
  • Reinstall Parts:
    • Reinstall the oil screen, main drain bolt (with fresh washer), and the secondary drain bolt.
    • Tighten both bolts to the manufacturer's recommended torque specification to prevent over-tightening or stripping threads.
    • Reinstall the skid plate if you removed it.
  • Add New Engine Oil:
    • With a funnel, add 1.1 quarts of oil via the oil fill port. Use a measuring cup if needed for accuracy.
    • Reinstall and hand-tighten the oil fill cap.
  • Check Oil Level:
    • Set the bike upright and on level ground.
    • Observe the oil sight glass or dipstick, adjusting as necessary.
    • Start the engine, run it for 30 seconds, and recheck the oil level after the engine sits for a moment.
  • Clean Up and Inspect:
    • Wipe away any spilled oil and inspect around the drain bolts and filter cover for leaks.
    • Dispose of old oil and filter responsibly as per your local regulations.

2019 Husqvarna FX350 Model-Specific Call-Outs

  • Oil Capacity: This model requires approximately 1.1 quarts (or 1.05 liters) of engine oil for a complete change including the filter.
  • Screen and Filter: Ensure you remove, clean, and inspect both the oil screen and filter. Replace filter each time; inspect screen for metal shavings which may indicate engine wear.
  • Magnetic Sump Plug: Some FX350s feature a magnetic drain plug. Always inspect this for metal particles at oil change, as it can indicate engine or transmission wear.
  • Copper or aluminum crush washer: Always use a new one at the drain plug to prevent leaks.
  • Frequent Oil Change Interval: Especially if riding hard or racing, change oil every 5–10 hours for maximum engine life.
  • Torque Specs: Always consult the Husqvarna service manual for your exact bolt torque—do not overtighten drain plugs or filter cover.

Final Notes and Pro Tips

  • Pre-fill the oil filter with fresh oil before installation to reduce the time the bike runs dry after first start-up.
  • If working in a dusty environment or racing, check/replace oil and filter even more frequently to protect your engine.
  • Thoroughly clean any spilled oil from the frame and engine cases to prevent dirt buildup and improve diagnosis of future leaks.
  • Always document your oil change mileage/hours and parts for future maintenance reference.

By following these steps and tips, your 2019 Husqvarna FX350 will be ready for your next ride with optimal engine protection. For OEM and aftermarket oil filters, crush washers, and tools, visit MotoSport.com for all your dirt bike maintenance needs.

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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.