How to Change a Spark Plug in a 2020 Honda CRF125FB

Maintaining your 2020 Honda CRF125FB 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 on your CRF125FB.

Shop parts for a 2020 Honda CRF125FB Dirt Bike.

Tools and Materials Needed

  • Spark plug socket
  • Ratchet wrench
  • Torque wrench
  • New spark plug (compatible with 2020 Honda CRF125FB)
  • Dielectric grease

Step-by-Step Guide

Step 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 electrical shorts.

Step 2: Locate the Spark Plug

The spark plug on the 2020 Honda CRF125FB is located on the right side of the engine. Remove the spark plug cap by gently pulling it off.

Step 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 from the engine.

Step 4: Inspect the Old Spark Plug

Check the old spark plug for any signs of wear or damage. This can provide insight into the engine's condition. If the plug is fouled or damaged, it may indicate other issues that need attention.

Step 5: Install the New Spark Plug

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

Step 6: Reattach the Spark Plug Cap

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

Step 7: Reconnect the Battery

Reconnect the battery and ensure all connections are secure. Start the engine to verify that the new spark plug is functioning correctly.

Additional Tips for the 2020 Honda CRF125FB

The 2020 Honda CRF125FB is known for its reliability and ease of maintenance. Regularly check the air filter and oil levels to keep your bike running smoothly. Additionally, ensure the chain is properly lubricated and tensioned to prevent premature wear.

By following these steps, you can ensure your 2020 Honda CRF125FB remains in top condition, providing you with a reliable and enjoyable riding experience.

Related Shopping Categories

Shop Spark Plugs for a 2020 Honda CRF125FB Dirt Bike.

Shop Engine Tools for a 2020 Honda CRF125FB Dirt Bike.

Shop Feeler Gauges for a 2020 Honda CRF125FB Dirt Bike.

Shop Batteries for a 2020 Honda CRF125FB Dirt Bike.

Shop Tools for a 2020 Honda CRF125FB 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.