How to replace spark plugs on a motorcycle in 15 minutes - fast and easy fix! Suzuki SV650

Introduction

Replacing spark plugs on your motorcycle can significantly improve its performance, especially if you’re experiencing issues like sputtering or difficulty starting. This tutorial will guide you through the process of replacing the spark plugs on a 2003 Suzuki SV650 in just 15 minutes, allowing you to save money and gain confidence in your motorcycle maintenance skills.

Step 1: Remove the Seat

• Locate the seat bolts on both sides of the motorcycle.
• Use a screwdriver to remove the bolts.
• Take out the seat and set it aside.

Step 2: Access the Fuel Tank

• Use an Allen key (size 6) to remove the two screws that secure the fuel tank.
• On the passenger side, use a wrench with a 10mm socket to remove the bolt securing the tank.
• Carefully wiggle the tank to free it, ensuring it doesn’t touch any hot parts or spill fuel.
• Secure the tank in a safe position to access the spark plugs.

Step 3: Remove the First Spark Plug

• Identify the first spark plug, which should now be visible.
• Use a wrench with a 16mm socket and ensure it has a rubber insert to hold the spark plug.
• Unscrew the old spark plug gently, pulling it out slowly to avoid breaking it.
• Take note of its condition for future reference.

Step 4: Install the New Spark Plug

• Prepare the new spark plug (NGK CR8E recommended).
• Insert the new spark plug into the socket, ensuring the rubber insert is in place.
• Screw it in by hand until it's finger-tight.
• If you have a torque wrench, refer to your manual for the proper torque specifications; if not, use the half-turn method for tightening.

Step 5: Reinstall the Spark Plug Cap

• Locate the spark plug cap and ensure the triangle marking aligns with the exhaust side.
• Push the cap onto the spark plug until you hear a click, indicating it's securely attached.

Step 6: Access the Second Spark Plug

• The second spark plug may be harder to reach, located behind the radiator.
• Use the wrench with a 10mm socket to remove the bolts securing the radiator.
• Carefully push the radiator aside for access to the spark plug.

Step 7: Replace the Second Spark Plug

• Repeat the process for the second spark plug:
  • Use the wrench with a 16mm socket to remove the old plug.
  • Install the new spark plug and tighten it as described in Step 4.
  • Attach the spark plug cap, ensuring it clicks into place.

Step 8: Reassemble the Motorcycle

• Reinstall the radiator by aligning it with the bolts and securing it.
• Place the fuel tank back in position and reattach the screws and bolts.
• Finally, reinstall the seat by securing it with the bolts you removed earlier.

Conclusion

Congratulations! You have successfully replaced the spark plugs on your Suzuki SV650. This simple maintenance task can lead to better engine performance and reliability. For your next steps, consider checking your owner's manual for additional maintenance tasks or explore other DIY motorcycle repairs to enhance your skills. Happy riding!