How to Change the Oil in a 2022 Kawasaki KX112: Step-by-Step Guide

Shop parts for a 2022 Kawasaki KX112 Dirt Bike.

Keeping your 2022 Kawasaki KX112 in top condition means regular maintenance, and changing the transmission oil is a vital part of that routine. Below you'll find an expert guide crafted exclusively for MotoSport.com, covering all the tools and steps you'll need, plus specific tips owners of this model must know to get the job done right.

Tools & Supplies Required

  • 14mm socket and ratchet – To remove the oil drain plug
  • Drain pan – To collect used oil
  • Funnel – To refill fresh oil without spills
  • Clean shop rag – To wipe drips and clean surfaces
  • Measuring cup or graduated container – To ensure accurate oil volume (700ml required)
  • Transmission oil – 10W-40 is recommended for the KX112
  • Torque wrench (optional) – For precise tightening of the drain plug
  • Gloves – For clean and safe handling

Preparation

  • Idle the engine for about a minute to warm up the oil. Warm oil drains more thoroughly and quickly, ensuring contaminants leave with the old oil.
    Tip: Do not let the engine get hot—just warm to the touch is ideal for safety and effectiveness.
  • Place the bike on a stable stand or the kickstand on flat, level ground.

Steps to Change the Oil on the 2022 Kawasaki KX112

  1. Locate the drain plug: The oil drain plug is on the underside of the engine. Position your drain pan underneath this area.
  2. Remove the drain plug: Using your 14mm socket and ratchet, loosen and carefully remove the plug. Allow the oil to drain completely into your pan. This might take a few minutes.
    Caution: The oil could be warm but shouldn't be hot.
  3. Inspect the old oil: Note the appearance of your used oil. Milky or metallic oil could indicate deeper issues—contact a professional if you notice these signs.
  4. Reinstall the drain plug: Once oil has fully drained, clean the drain plug and its sealing area with a shop rag. Reinstall and hand-tighten, then secure with your tool. If using a torque wrench, refer to the specifications in the KX112 Owner's Manual for the exact torque setting.
    Pro tip: Do not over-tighten to avoid stripping threads or damaging the plug.
  5. Refill with fresh oil: Remove the oil fill cap on the right side of the engine. Using the funnel, pour in exactly 700ml of 10W-40 transmission oil.
    Model-specific note: The KX112 features a small oil guide screen as a level indicator. Only fill until the oil reaches the line on the guide screen.
    Do not overfill—too much oil can affect shifting or cause leaks.
  6. Check oil level: After filling, wait a minute. Ensure oil has settled and is at the correct level. Add a small amount more if needed, but never exceed the guide mark.
  7. Reinstall the oil cap securely.
  8. Start the bike and check for leaks: Fire up the engine for about 30 seconds to circulate the oil. Check under the bike for any leaks around the drain plug and oil fill area.
  9. Dispose of your old oil responsibly: Pour it into a sealed container and take it to a recycling facility or your local auto parts store that handles used oil.

Special Call-Outs for the 2022 Kawasaki KX112

  • The 2022 KX112 uses transmission oil only—not motor oil. The engine itself is lubricated by premix fuel, separate from the oil changed here.
    Always use oil labeled for transmission or gear use, never premix oil for this change.
  • Follow the 700ml fill capacity strictly. The sight window/level guide is located near the oil fill—do not fill past this mark or the transmission could be overfilled, causing problems.
    Do not ignore this step, as overfilling is a common mistake.
  • Recommended oil change interval is every 3–5 engine hours, or sooner if you ride in extreme conditions.
    Regular changes keep shifting crisp and prevent gear wear.
  • Double-check that you're using the correct oil weight—10W-40 is standard for the KX112 and provides optimal performance and clutch feel.
  • Consider replacing the spark plug at the same time, especially after break-in or heavy riding. This is a simple addition while you're already working on routine maintenance.

Why Regular Oil Changes Matter

  • Helps maintain smooth and reliable clutch and gear operation.
  • Prevents costly damage from metal particles or contaminants.
  • Increases the lifespan of your transmission and critical moving parts.
  • Essential for warranty and long-term value—always keep records of your oil changes.

Conclusion

Changing the transmission oil on your 2022 Kawasaki KX112 is a quick, essential service that every owner can master. With the right tools, correct oil type, and close attention to model-specific details like oil volume and sight markers, you'll keep your bike running strong for seasons to come. For more expert tips, premium parts, and gear, trust MotoSport.com—your partners in riding excellence.

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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.