How to Change a Spark Plug in a 1991 Kawasaki MOJAVE 250

Maintaining your 1991 Kawasaki MOJAVE 250 is essential for optimal performance, and changing the spark plug is a key part of that maintenance. This guide will walk you through the process, ensuring your ATV runs smoothly.

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Tools and Materials Needed

  • Spark plug socket
  • Ratchet wrench
  • New spark plug (NGK DPR8EA-9 recommended)
  • Torque wrench
  • Dielectric grease

Step-by-Step Guide

Step 1: Prepare Your ATV

Ensure your ATV is on a flat surface and the engine is cool to prevent burns. Disconnect the battery to avoid any electrical issues.

Step 2: Locate the Spark Plug

The spark plug is located on the top of the engine. Remove the spark plug cap by gently twisting and 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.

Step 4: Install the New Spark Plug

Check the gap on the new spark plug. It should be set to 0.9mm. Apply a small amount of dielectric grease to the threads. Carefully screw the new spark plug into the engine by hand to avoid cross-threading, then tighten with the torque wrench to 18 ft-lbs.

Step 5: Reattach the Spark Plug Cap

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

Step 6: Reconnect the Battery

Reconnect the battery and start the engine to ensure everything is functioning correctly.

Important Notes for 1991 Kawasaki MOJAVE 250 Owners

The Kawasaki MOJAVE 250 is known for its robust performance and reliability. Regular maintenance, including spark plug changes, is crucial. Always use the recommended spark plug type to prevent engine issues. Additionally, check the air filter and oil levels regularly to keep your ATV in top condition.

By following these steps, you can ensure your 1991 Kawasaki MOJAVE 250 remains in excellent working order, providing you with a reliable and enjoyable ride.

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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.