How to Change a Spark Plug in a 2026 Honda CRF125F

Maintaining your 2026 Honda CRF125F is crucial for optimal performance, and changing the spark plug is a key part of that maintenance. Whether you're a seasoned rider or new to dirt biking, this guide will walk you through the process of changing the spark plug in your CRF125F.

Shop parts for a 2026 Honda CRF125F Dirt Bike.

Tools and Materials Needed

  • Spark plug socket
  • Ratchet wrench
  • New spark plug (compatible with 2026 Honda CRF125F)
  • Torque wrench
  • Dielectric grease

Step-by-Step Guide

1. Prepare Your Bike

Ensure your bike is on a stable surface and the engine is cool to the touch. Disconnect the battery to prevent any accidental starts.

2. Locate the Spark Plug

The spark plug on the 2026 Honda CRF125F is located on the right side of the engine. Remove the spark plug cap by gently pulling it off.

3. Remove the Old Spark Plug

Use the spark plug socket and ratchet wrench to carefully unscrew the old spark plug. Turn counterclockwise until it is free. Inspect the old plug for any signs of wear or damage.

4. Install the New Spark Plug

Apply a small amount of dielectric grease to the threads of the new spark plug. Carefully thread the new plug into the engine by hand to avoid cross-threading. Once hand-tight, use the torque wrench to tighten the spark plug to the manufacturer's specified torque setting.

5. Reattach the Spark Plug Cap

Firmly press the spark plug cap back onto the new spark plug until it clicks into place.

6. Reconnect the Battery

Reconnect the battery and ensure all tools are removed from the work area. Start the engine to verify the installation was successful.

Important Notes for 2026 Honda CRF125F Owners

The 2026 Honda CRF125F is known for its reliability and ease of maintenance. Regularly check the spark plug for signs of wear, such as carbon buildup or a worn electrode, which can affect engine performance. Always use the recommended spark plug type for your model to ensure optimal performance and longevity.

By following these steps, you can keep your 2026 Honda CRF125F running smoothly and enjoy your rides with confidence. Remember, regular maintenance is key to a long-lasting and reliable dirt bike experience.

Related Shopping Categories

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Shop Batteries for a 2026 Honda CRF125F Dirt Bike.

Shop Tools for a 2026 Honda CRF125F 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.