How to Change the Oil in a 2016 Husqvarna TE300: Step-by-Step Guide

Shop parts for a 2016 Husqvarna TE300 Dirt Bike.

Changing the gearbox oil on your 2016 Husqvarna TE300 is a straightforward but essential maintenance task. Proper oil changes help prolong the life of your gearbox and ensure smooth operation on the trail. Below, we cover the tools you'll need, step-by-step instructions, and specific tips for the TE300 model. This blog is proprietary to MotoSport.com.

Tools and Supplies Needed

  • Socket wrench set (preferably with metric sockets)
  • Torque wrench (capable of low torque settings, e.g., 7-11 ft-lbs)
  • Drain pan (to catch old oil)
  • Clean funnel
  • Rags or shop towels
  • Replacement crush washer (recommended with every oil change for proper sealing)
  • High-quality gearbox oil (see below for grade)
  • Measuring cup (with milliliter markings)
  • Allen key or socket for fill and level plugs (if required)

Recommended Oil

  • The factory manual recommends Bel Ray 10W-40 mineral oil. However, some owners and mechanics prefer a full synthetic oil like 15W-50 Motorex or similar high-quality gear oils, just ensure it's safe for wet clutches and meets manufacturer specs.
  • Quantity: The TE300 takes approximately 800 ml of gearbox oil.

Steps to Change the Oil

  1. Warm Up the Bike
    • Start your TE300 and let it idle for about 3-5 minutes.
    • Warm oil drains out more thoroughly and carries more contaminants with it.
  2. Position the Bike
    • Place the bike upright on a stand to keep it level.
    • Set up your drain pan under the crankcase drain bolt.
  3. Remove the Drain Bolt
    • Locate the gearbox drain bolt (bottom of right crankcase).
    • Carefully loosen with your socket wrench and remove. Let the oil fully drain into the pan. Tipping the bike slightly toward the drain helps evacuate old oil.
    • Pro tip: Be ready to catch the drain bolt so it doesn't fall into your oil or funnel.
  4. Inspect and Clean the Drain Bolt
    • Wipe any metal shavings from the magnetic tip of the drain bolt.
    • Inspect for unusual debris, which could indicate gearbox wear.
  5. Replace Crush Washer and Install Drain Bolt
    • Install a new crush washer on the bolt for best sealing.
    • Thread the bolt in by hand, then torque to factory spec: 11 ft-lbs (consult your service manual for confirmation).
  6. Remove Fill Plug and Oil Level (Sight) Plug
    • Locate the fill plug (usually on the upper right side) and the oil level check plug (lower on right crankcase).
    • Remove both to allow air in and help with accurate filling.
  7. Add New Oil
    • Using a clean funnel, gradually pour in new oil up to 800 ml or until oil begins to just seep out of the level check hole.
    • Some riders prefer to pour slowly and wait for a steady trickle at the level hole to ensure the correct amount.
    • If you overfill, let the excess drain out the level hole before replacing the plug.
  8. Reinstall Plugs and Torque
    • Wipe away any spilled oil.
    • Tighten the oil level and fill plugs to the correct torque specification: 7 ft-lbs (level plug) and 11 ft-lbs (fill plug) (check with your specific service manual to confirm).
  9. Final Check
    • Wipe down the case and check for leaks.
    • Start the bike and let it idle for a minute, then shut off and inspect plugs for leaks.
  10. Dispose of Oil Properly
    • Take your used oil to a local recycling center or auto parts store.

2016 Husqvarna TE300 Specific Tips & Call-Outs

  • No oil filter: The 2016 TE300 uses a two-stroke engine which does not have an oil filter for the transmission/gearbox side. Only engine side lubrication is required.
  • Watch oil type: The bike manual specifies Bel Ray 10W-40 mineral oil, but quality full synthetics can also be used.
  • Oil capacity is 800 ml: Overfilling may cause leaks or clutch drag–underfilling may cause premature wear.
  • Level check plug: Ensure you check the oil level by watching for a steady trickle from the inspection/level plug after filling.
  • Tighten bolts to factory spec: Always use a torque wrench and replace the crush washer to ensure proper sealing and avoid stripping magnesium cases.

Recommended Maintenance Interval

  • For aggressive riding or racing, change the oil every 5-10 hours of riding. For trail or recreation, changing every 15-20 hours or after several rides is typical.

Following these guidelines for your 2016 Husqvarna TE300 will help maintain smooth gearbox performance and catch possible issues early. For OEM parts, premium oils, and service kits, MotoSport.com offers a wide selection tailored for Husqvarna off-road motorcycles.

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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.