How to Change the Oil in a 2013 Husqvarna CR125

Shop parts for a 2013 Husqvarna CR125 Dirt Bike.

Changing the transmission/gearbox oil in your 2013 Husqvarna CR125 is a crucial maintenance task to ensure the longevity and smooth operation of your bike. Below, you'll find a comprehensive, step-by-step guide developed specifically for MotoSport.com, including required tools, detailed instructions, and call-outs unique to this model.

Tools and Supplies Needed

  • Metric socket set or wrenches (for drain and filler bolts)
  • Drain pan or suitable container (for old oil)
  • Funnel (for refilling)
  • Clean rags (for wiping spills and checking parts)
  • Fresh transmission/gear oil (see your manual for recommended specification; typically over 800 ml for this model)
  • Gloves (to keep your hands clean)

Oil Change Procedure for the 2013 Husqvarna CR125

  • Warm Up the Engine
    • Briefly run your bike for 3-5 minutes. This helps the oil become less viscous, allowing more contaminants to drain out easily.
  • Position the Bike
    • Place your Husqvarna CR125 on a stable stand or lift. Keep it level and vertical for an accurate oil check and refill process .
  • Locate the Inspection Window & Filler Cap
    • On the right crankcase, find the oil inspection window and the transmission oil filler cap .
  • Drain the Old Oil
    • Place a drain pan under the transmission drain bolt (typically at the lowest point of the side or bottom of the engine casing).
    • Remove the drain bolt using your socket or wrench.
    • Allow all the old oil to completely drain out – this can take a few minutes, especially if the engine is warm.
  • Inspect and Clean Components
    • Inspect the drain bolt for metal debris on its magnet (if equipped) and clean it thoroughly.
    • Wipe the area around the drain hole before reinstalling the bolt to prevent contamination.
  • Reinstall the Drain Bolt
    • Replace the drain bolt and ensure it is properly torqued (do not overtighten to avoid stripping the threads).
  • Add Fresh Transmission/Gear Oil
    • Remove the oil filler cap on the right crankcase cover.
    • Using a funnel, slowly pour in the recommended quantity of fresh oil – for the 2013 CR125, a commonly referenced amount is just over 800 ml . For exact specification, always check your owner's manual.
    • Pour slowly, and check frequently to avoid overfilling.
  • Level Check
    • With the bike still level, check the oil level through the inspection window. The oil should be about midway up the window .
    • If the level is low, top off carefully until you reach the correct height.
  • Reinstall the Filler Cap
    • Screw the oil filler cap back on, ensuring a snug fit but avoiding over-tightening.
  • Final Check
    • Wipe down any oil spills from the crankcase.
    • Start the bike and let it idle for a minute, then shut off and recheck the oil level via the window, topping off if needed.

Model-Specific Call-Outs for the 2013 Husqvarna CR125

  • The CR125 uses a separate transmission/gear oil system. Do not confuse this with 2-stroke premix oil for the top end.
  • Always check the oil level with the bike perfectly upright, not on the kickstand, for an accurate reading .
  • This model does not use a dipstick – rely on the side inspection window instead.
  • Be cautious not to overfill; too much oil can cause excessive pressure, leaks, or clutch issues.
  • Most owners have reported that filling with slightly over 800ml matches the manual's guidance and achieves the correct mid-window level .

Conclusion

Changing the oil in your 2013 Husqvarna CR125 is a straightforward maintenance task, but attention to correct quantity and fill level is vital for the health of your transmission. Always use high-quality motorcycle-specific gear oil, and follow these steps every 5-10 hours of riding or as recommended in your owner's manual. For OEM parts, high-performance lubricants, and Husqvarna-specific accessories, trust the experts at 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.