How to Change the Oil in a 2022 Kawasaki KLX300SM

If you ride a 2022 Kawasaki KLX300SM, regular oil changes are critical for your engine’s longevity. Here’s a complete guide—proprietary to MotoSport.com—on how to change the oil in your KLX300SM, including the specific tools, steps, and key call-outs for this exact model.

Tools & Supplies Needed

  • 10mm and 14mm socket or wrench (for drain bolt and filter cover)
  • Torque wrench (for accurate reassembly)
  • Oil drain pan
  • Funnel
  • OEM oil filter (Kawasaki part #52010-1053)
  • Crush washer (optional but recommended for the drain bolt)
  • 2 quarts of 10W-40 motorcycle oil (Kawasaki or quality full synthetic motorcycle oil)
  • Clean rags
  • Gloves

Pre-Service Preparation

  • Warm up the bike for 5-10 minutes so the oil drains out smoothly. Let it cool enough to avoid burns.
  • Set the bike upright on a stable, flat surface or center stand.

Step-by-Step Oil Change Procedure

  1. Remove the Oil Fill Cap:
    • Locate the black oil fill cap on the right side of the engine. Unscrew and set aside. This helps oil drain faster.
  2. Drain the Old Oil:
    • Place a drain pan under the engine. Use a 14mm socket to remove the drain plug located at the bottom left of the crankcase.
    • Allow all oil to drain completely. Inspect the plug and washer–replace the crush washer if worn for a proper seal.
  3. Replace the Oil Filter:
    • The oil filter is located on the right side, covered by a round plate with three 10mm bolts. Use a socket to remove these bolts; be careful as some oil may spill out.
    • Pull out the old filter. Before installing the new OEM filter, lightly coat the rubber gasket with fresh oil for a proper seal.
    • Insert the new filter with the open end facing the engine, as shown in the service manual. Replace the cover and hand-tighten the bolts evenly, then torque to 8 Nm (Newton-meters) as specified by Kawasaki.
  4. Reinstall the Drain Plug:
    • Once dripping stops, clean the drain plug and replace (with a new crush washer if needed).
    • Tighten to the manufacturer’s spec: 18 Nm (Newton-meters)
  5. Add New Oil:
    • Use a funnel to pour in fresh 10W-40 motorcycle oil. For a filter change, the KLX300SM takes about 1.2 quarts (1.2L)

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    • Add oil slowly, checking the sight glass frequently. The oil level should be between the two lines on the sight glass with the bike upright

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  6. Reinstall Oil Fill Cap:
    • Wipe the cap clean and screw it back on securely.
  7. Start the Engine and Check:
    • Start the bike and let it idle for 1–2 minutes. Check for any leaks around the drain bolt and filter cover. Shut off the engine and wait 2–3 minutes for oil to settle. Re-check the oil level and top off if needed. Do not overfill

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2022 KLX300SM-Specific Call-Outs

  • Oil Capacity: With filter change, capacity is 1.2 quarts (1.2L). Buy two quarts to be safe.
  • Torque specs: Oil filter cover bolts: 8 Nm. Drain plug: 18 Nm

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  • Filter fitment: Use genuine Kawasaki part for proper seal and filtration (part #52010-1053)

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  • Sight glass: On all KLX300 models, always use the sight glass (right side of engine case) for perfect oil level check; oil should be between the two tabs, not above or below

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  • Model similarity: The steps are the same for both the SM (Supermoto) and standard KLX300 dual-sport models.
  • Break-in oil: At the first oil change (600 miles), switching to full synthetic is optional—many riders wait until 1500+ miles for full break-in

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Final Checklist

  • All bolts torqued to spec
  • No leaks under the engine or at filter cover
  • Oil level confirmed in sight glass
  • Old oil disposed of properly (local recycling center or shop)

For trusted parts and oil, visit MotoSport.com—your source for authentic Kawasaki parts and gear.

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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.