How to Change the Oil in a 2004 Husaberg FC450: A Complete Guide

Shop parts for a 2004 Husaberg FC450 Dirt Bike.

Regular oil changes are essential for the long-term health and peak performance of your 2004 Husaberg FC450. Performing this maintenance yourself is absolutely manageable and will keep your bike running strong. Below you'll find the tools required, a step-by-step process, and special notes for your specific model.

Tools & Supplies Needed

  • Socket wrench (with metric sockets)
  • Hex/Allen wrenches
  • M6 screw (for removing oil filter cover)
  • Pliers (for oil filter removal)
  • Torque wrench
  • Catch pan
  • Funnel
  • Rags or paper towels
  • Replacement oil filter
  • 1 Liter of fully synthetic 4T engine oil (Husaberg recommends Motorex Power Synt 4T)
  • Replacement O-rings (if needed for oil filter cover)
  • New crush washer (recommended for drain bolt)

Optional Upgrade

  • Consider installing a Votex oil drain valve for future quick and clean oil changes. This installs in place of your current drain plug and makes draining oil mess-free and fast.
    Note: Always follow the kit instructions for your specific model year.

Special Call-Outs for the 2004 Husaberg FC450

  • The oil fill capacity is 1 liter.
  • Always use a fully synthetic oil formulated for high-performance off-road motorcycles.
  • The oil filter cover features O-rings that should be checked for damage and greased on reassembly.
  • Torque specs are critical: Tighten oil filter cover screws to 6 Nm–do not overtighten.
  • After an oil change, always start the motorcycle and check for leaks at the filter cover and drain bolt.

Step-by-Step Oil Change Instructions

  1. Warm up your engine by running your bike for several minutes. This helps the oil flow freely and brings any contaminants into suspension for removal.
  2. Place the motorcycle upright and secure it. Position your catch pan under the oil drain bolt.
  3. Remove the oil drain bolt (and skid plate if needed). Allow oil to completely drain into the catch pan. Inspect the old crush washer and replace if necessary.
  4. Remove the oil filter cover:
    • Remove both screws from the filter cover.
    • Screw an M6 screw into the center hole–only hand-tighten to avoid damage.
    • Gently pull the oil filter cover off using the screw as a handle.
    • Remove the M6 screw from the cover.
  5. Extract the old oil filter using pliers.
    Tip: Take note of the filter orientation for correct insertion of the new one.
  6. Clean the oil filter housing and cover. Wipe all mating and sealing surfaces. Examine the cover's O-rings for damage and replace if needed. Grease O-rings lightly before reassembly.
  7. With the bike on its side, fill the oil filter housing halfway with engine oil (this helps prime the filter and reduces dry starts). Insert the new oil filter.
  8. Reinstall the oil filter cover. Replace the screws and torque them to 6 Nm.
  9. Return the bike to an upright position.
  10. Install a new or cleaned drain plug/crush washer and tighten to manufacturer's specification.
  11. Remove the oil filler plug and add 1 liter of fully synthetic 4T oil.
  12. Reinstall the oil filler cap.
  13. Start the motorcycle and let it idle for several minutes. This circulates oil through the filter and passages. Check for leaks at the drain bolt and oil filter cover.
  14. Turn off the bike and allow the oil to settle for a few minutes. Check the oil level and top off if necessary.

Extra Tips & Maintenance Notes

  • If you've installed a Votex oil drain valve, simply attach the draining hose, open the valve, and drain oil directly into your pan. This minimizes mess and speeds up the process.
  • Dispose of old oil and the filter at a certified recycling center.
  • Inspect engine mounting and frame for any signs of leaks after operation.

MotoSport.com is your source for genuine Husaberg parts, oil change kits, and technical advice. A well-maintained FC450 will reward you with reliability and performance, race after race.

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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.