1998 Yamaha Big Bear 350 Wiring Diagram

When it comes to working on your 1998 Yamaha Big Bear 350, understanding its wiring system is imperative. A wiring diagram can be a helpful tool for identifying the different wires and their functions. This article will provide a comprehensive guide to the 1998 Yamaha Big Bear 350 wiring diagram, including tables and frequently asked questions.

Before You Begin

Before you start working on your Yamaha Big Bear 350 wiring, it’s important to follow some important safety precautions. Here are a few things to keep in mind:

  • Wear proper safety gear to protect your eyes, hands, and body.
  • Disconnect the battery before working on any electrical components.
  • Read the wiring diagram carefully before beginning any work.

Understanding the Wiring Diagram

The wiring diagram for the 1998 Yamaha Big Bear 350 is a detailed map of the electrical system of the ATV. It is important to understand how to read the diagram to properly diagnose and fix any electrical issues. Here are a few common terms and symbols you may encounter:

Symbol Meaning
B Battery
S Starter
L Lights
R Rectifier
W Wire

Wiring Diagram Overview

The wiring diagram for the 1998 Yamaha Big Bear 350 is divided into sections based on the electrical components. Here is an overview of the different sections:

Battery

The battery section includes the battery, starter relay, main fuse, and ignition switch. The battery provides power to the electrical system, while the starter relay triggers the starter motor to crank the engine.

Charging System

The charging system includes the alternator, rectifier, and voltage regulator. The alternator generates AC power, which is converted to DC power by the rectifier. The voltage regulator ensures that the battery is charged at the correct voltage.

Ignition System

The ignition system includes the CDI unit, ignition coil, and spark plug. The CDI unit controls the ignition timing, while the ignition coil generates the spark that ignites the fuel in the engine.

Lights

The lights section includes the headlight, taillight, and brake light. The lights are powered by the battery and controlled by the on/off switch.

FAQ

Q: Where can I find a wiring diagram for my Yamaha Big Bear 350?

A: You can find a wiring diagram in the Yamaha Big Bear 350 service manual or online.

Q: How do I read a wiring diagram?

A: The wiring diagram is a map of the electrical system that shows the different wires and their functions. It is important to understand the symbols and terms used in the diagram.

Q: Why is my Yamaha Big Bear 350 not starting?

A: There could be several reasons why your ATV is not starting, including a dead battery, faulty starter, or electrical issues. Consult the wiring diagram and troubleshooting section of the service manual for guidance.

Q: Can I fix my Yamaha Big Bear 350 wiring myself?

A: If you have experience working with electrical systems and have the proper tools and safety gear, you may be able to fix your ATV wiring yourself. However, if you are unsure or do not have the necessary skills, it is recommended that you seek professional help.

Q: How can I prevent electrical issues on my Yamaha Big Bear 350?

A: Regular maintenance and inspections can help prevent electrical issues on your ATV. Check the battery, wiring, and electrical components periodically for signs of wear or damage.

Conclusion

Understanding the wiring diagram for your 1998 Yamaha Big Bear 350 is an important part of working on your ATV. By following proper safety precautions and consulting the diagram, you can diagnose and fix any electrical issues that may arise.