How to Change the Oil in a 2005 Kawasaki KLX110 – MotoSport.com Guide

Shop parts for a 2005 Kawasaki KLX110 Dirt Bike.

Regular oil changes are critical to the longevity and performance of your 2005 Kawasaki KLX110. Even if this is your first time, this guide will help you complete the job confidently, safely, and efficiently. We'll walk you through every step, highlight specific tips for your model year, and ensure you have the right tools.

Tools and Parts You’ll Need

  • 3/8-inch ratchet and extension
  • 8mm, 12mm, and 17mm sockets
  • Torque wrench
  • Oil drain pan
  • 1 liter of 10W-40 motorcycle oil (if not replacing filter, 0.9L is sufficient)
  • Replacement oil filter (if performing a filter change)
  • Shop towels
  • Gloves and protective eyewear

Preparation

  • Work on a level surface and ensure your bike is upright, using a center stand or bike lift if available.
  • Start the engine and let it idle for 2–3 minutes. This warms and thins the oil so it drains more thoroughly.
  • Turn off the engine and allow the exhaust to cool slightly if the bike has been running. The exhaust and engine can get very hot after running. Use caution to avoid burns.

Removing the Skid Plate

  • Using the 8mm socket, remove the bolts on each side of the skid plate.
  • Using the 12mm socket, remove the two bolts at the rear of the skid plate.
  • Gently remove the skid plate and set the hardware aside for reassembly.
    Note: Some 2005 KLX110 models may have minimal or no undercarriage plastic, making this step very easy, but always protect the engine cases from dropped tools.

Draining the Oil

  • Place your oil drain pan directly beneath the engine’s oil drain plug on the underside of the cases.
  • Using the 17mm socket and ratchet, slowly loosen and remove the drain plug.
    Tip: Removing the oil fill cap at the top of the case allows the oil to drain quicker and more completely.
  • Allow the oil to drain completely—this can take several minutes. Inspect the drained oil for signs of metal debris or discoloration that could indicate internal engine wear.
  • Wipe the drain plug and check the crush washer (replace if damaged or deformed).

Changing the Oil Filter (If Required)

  • On most 2005 KLX110s, the oil filter is located and accessible from the right crankcase cover. Use the correct-sized socket and confirm the orientation of the filter before removal.
  • Install a new filter with the correct orientation; lubricate the rubber seal with a dab of fresh oil before installing to ensure a proper seal.
  • Tighten the filter to manufacturer specifications using a torque wrench if available.

Reinstalling the Drain Plug and Skid Plate

  • Reinstall the drain plug and tighten with a torque wrench, being careful not to overtighten and risk stripping the threads.
  • Wipe any oil from the area and reinstall your skid plate, tightening all bolts securely.

Pouring in Fresh Oil

  • Carefully pour in the new oil. The 2005 KLX110 typically requires 1.0 liter (just over a quart) with oil filter change, or 0.9 liters without the filter change.
    Call-out: Always refer to your owner's manual for the correct oil capacity specific to your year. The 2005 KLX110 does not have an oil filter in the traditional sense; it uses an internal screen—inspect and clean as needed.
  • Reinstall the oil fill cap, ensuring the seal is clean and not damaged.

Check Oil Level and Final Steps

  • Start the engine and let it idle for 2–3 minutes to circulate the oil.
  • Turn off the engine and allow it to sit for a moment.
  • With the bike level and upright, check the oil sight glass; the oil should be between the upper and lower marks.
    If it's too low, add oil a little at a time and recheck. If above the max, carefully drain some out to avoid overfilling.
  • Wipe off any spillage, ensure the area is clean, and check around the drain plug and fill cap for leaks.
  • Properly dispose of the used oil and filter at a recycling center.

2005 KLX110 Specific Call-Outs

  • No replaceable paper oil filter for this model year—the KLX110 uses a simple screen-type filter internal to the engine. Clean and inspect this screen as part of scheduled maintenance, especially if debris is evident in the drained oil.
  • Oil capacity for the 2005 is approximately 1L (with screen cleaning); always use the sight glass for the final check as slight variances can occur after disassembly.
  • Torque Settings: The oil drain plug torque spec should be checked in your factory manual, but generally, it's around 12-15 ft-lb (about 16-20 Nm) for this model. Overtightening can strip the magnesium case threads, which is an expensive repair.
  • Inspect the drain plug threads and gasket for any wear or galling, which can cause oil leaks if not addressed.

Conclusion

Changing the oil in your 2005 Kawasaki KLX110 is a straightforward task that can be performed at home with basic tools and some preparation. Following these steps and paying careful attention to model-specific nuances—like the drain plug torque and oil screen—will help ensure your engine stays healthy and your next ride is trouble-free. For OEM and aftermarket maintenance parts, always shop MotoSport.com for fast shipping and expert support.

Related Shopping Categories

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Shop Oil Fillers and Drain Plugs for a 2005 Kawasaki KLX110 Dirt Bike.

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.