Hey guys! Let's dive into the world of the Yamaha TT350 and explore the possibility of adding electric start to this legendary dirt bike. While the TT350 is known for its ruggedness and reliability, the absence of electric start can be a bit of a hassle, especially on challenging trails. So, if you're tired of kick-starting your TT350, this guide is for you. We'll cover everything from understanding the original starting system to sourcing parts and performing the conversion. Let's get started!

Understanding the Yamaha TT350 Starting System

The Yamaha TT350 originally came with a kick-start system, a simple but sometimes demanding way to get the engine running. The kick-start system relies on the rider's physical effort to turn the engine over, which can be tricky in certain situations. For example, if the bike stalls on a steep hill or in deep mud, kick-starting can become a real workout. Understanding how the kick-start system works is crucial before considering an electric start conversion. The system consists of a kick-start lever, a series of gears, and a mechanism that engages with the engine's crankshaft. When you kick the lever, it spins the crankshaft, which in turn starts the combustion process. However, this requires a certain amount of force and technique. Many riders, especially those who are new to off-road riding or have physical limitations, find the kick-start system challenging. This is where the idea of an electric start conversion comes into play. By adding an electric start, you can start the bike with the push of a button, making it much easier and more convenient, especially in difficult conditions. Plus, it can save you energy and reduce the risk of injury from repeated kicking. So, before we move on, take a moment to appreciate the simplicity of the kick-start system and then get ready to explore the possibilities of upgrading to electric start!

Why Convert to Electric Start?

Converting your Yamaha TT350 to electric start offers numerous benefits that can significantly enhance your riding experience. First and foremost, convenience is a major factor. With electric start, you can fire up your bike with the simple push of a button, eliminating the need for strenuous kicking. This is especially useful in tricky situations, such as when you're stuck on a hill or in soft terrain. No more struggling to get the engine running when you're already in a tough spot! Another advantage is improved reliability. Kick-start systems can be finicky, especially in cold weather or when the engine isn't perfectly tuned. Electric start provides a more consistent and reliable way to start the bike, regardless of the conditions. This can give you peace of mind, knowing that you can always get your bike running when you need it. Furthermore, electric start can be a game-changer for riders with physical limitations or those who simply prefer a more effortless starting method. If you have knee problems or other physical issues, kicking can be painful and difficult. Electric start eliminates this issue, allowing you to enjoy your ride without discomfort. Finally, adding electric start can increase the resale value of your TT350. While the TT350 is a classic bike, many potential buyers prefer the convenience of electric start. By upgrading your bike, you can make it more attractive to a wider range of buyers and potentially get a higher price when you decide to sell. In summary, converting to electric start offers convenience, reliability, and improved rider comfort, making it a worthwhile upgrade for any TT350 owner.

Parts Needed for the Conversion

Okay, so you're convinced that converting your TT350 to electric start is the way to go. Now, let's talk about the parts you'll need to make it happen. This is where things can get a bit tricky, as the TT350 didn't originally come with electric start, so you'll need to source parts from other bikes or aftermarket suppliers. Here's a breakdown of the essential components:

• Starter Motor: This is the heart of the electric start system. You'll need a starter motor that's compatible with the TT350 engine. You might be able to adapt a starter from another Yamaha model, such as the WR250F or WR450F, but you'll need to do some research to ensure it fits properly.
• Starter Relay: The starter relay is an electrical switch that controls the flow of power to the starter motor. It's a crucial component for ensuring reliable starting.
• Battery: You'll need a 12-volt battery to power the starter motor. Choose a battery with sufficient cold-cranking amps (CCA) to handle the demands of starting the engine.
• Wiring Harness: A wiring harness is needed to connect all the electrical components together. You can either modify your existing wiring harness or create a new one specifically for the electric start system.
• Start Button: You'll need a start button to activate the starter motor. This can be a handlebar-mounted button or a separate switch.
• Flywheel/Stator: The flywheel and stator generate electricity to charge the battery and power the bike's electrical system. You may need to replace the flywheel with one that's compatible with electric start.
• Mounting Brackets: You'll likely need to fabricate or source mounting brackets to securely attach the starter motor to the engine.
• Hardware: Don't forget about the nuts, bolts, and other hardware needed to install all the components. It's always a good idea to have a variety of sizes on hand.

Sourcing these parts can be a challenge, but with some research and patience, you can find everything you need to convert your TT350 to electric start. Keep an eye on online marketplaces, motorcycle salvage yards, and aftermarket suppliers. And don't be afraid to ask for advice from other TT350 owners who have done the conversion before.

Step-by-Step Conversion Process

Alright, let's get down to the nitty-gritty of the conversion process. Converting your Yamaha TT350 to electric start is not a walk in the park, but with the right tools and a bit of mechanical know-how, you can definitely pull it off. Here's a step-by-step guide to help you through the process:

1. Preparation: Before you start, gather all the necessary parts and tools. Make sure you have a clean and well-lit workspace. Disconnect the battery and drain the oil from the engine.
2. Remove the Existing Components: Remove the kick-start lever, the flywheel cover, and any other components that will be in the way of the electric start system.
3. Install the Starter Motor: This is where things can get tricky. You'll need to fabricate or modify mounting brackets to securely attach the starter motor to the engine. Make sure the starter motor is properly aligned with the flywheel.
4. Install the Flywheel: Replace the existing flywheel with one that's compatible with electric start. Make sure the flywheel is properly torqued to the manufacturer's specifications.
5. Wire the Electrical System: Connect the starter motor, starter relay, battery, and start button using the wiring harness. Make sure all connections are secure and properly insulated.
6. Install the Battery: Mount the battery in a secure location on the bike. Connect the battery cables to the battery terminals, making sure the polarity is correct.
7. Test the System: Before you put everything back together, test the electric start system to make sure it's working properly. Press the start button and see if the engine turns over. If it doesn't, check all the connections and make sure the battery is fully charged.
8. Reassemble the Bike: Once you're satisfied that the electric start system is working properly, reassemble the bike. Reinstall the flywheel cover, the kick-start lever (if desired), and any other components that you removed.
9. Final Check: Before you hit the trails, give the bike a thorough inspection. Check all the fluid levels, tire pressure, and make sure all the bolts are tight.

This conversion process may vary depending on the specific parts you use and the modifications required. Be sure to consult with other TT350 owners and online resources for guidance. And remember, safety first! If you're not comfortable working on your bike, it's always best to seek the help of a qualified mechanic.

Tips and Considerations

Before you jump into the electric start conversion for your Yamaha TT350, let's cover some essential tips and considerations to ensure a smooth and successful project. First off, research is key. Spend time researching the specific parts you'll need and the modifications required. Look for online forums, videos, and other resources where TT350 owners have shared their experiences with electric start conversions. This will give you a better understanding of the challenges involved and help you avoid common mistakes. Compatibility is another crucial factor. Make sure that the starter motor, flywheel, and other components you choose are compatible with the TT350 engine. If you're not sure, consult with a mechanic or an expert who has experience with these conversions. Proper wiring is essential for a reliable electric start system. Take your time and carefully connect all the wires according to the wiring diagram. Use high-quality connectors and ensure that all connections are secure and properly insulated. A weak battery can cause problems with the electric start system. Choose a battery with sufficient cold-cranking amps (CCA) to handle the demands of starting the engine. Consider using a lithium-ion battery for its lightweight and high-performance characteristics. Securing the starter motor properly is critical for its longevity. Make sure the mounting brackets are strong and that the starter motor is properly aligned with the flywheel. If the starter motor is not properly aligned, it can put excessive strain on the gears and cause premature failure. After completing the conversion, test the electric start system thoroughly. Start the bike multiple times and check for any issues. Monitor the battery voltage and charging system to ensure that everything is working properly. Finally, if you're not comfortable performing the conversion yourself, don't hesitate to seek the help of a qualified mechanic. A professional can ensure that the job is done correctly and safely.

Troubleshooting Common Issues

Even with careful planning and execution, you might encounter some issues during or after the electric start conversion of your Yamaha TT350. Let's go over some common problems and how to troubleshoot them.

• Starter Motor Not Engaging: If the starter motor doesn't engage when you press the start button, the first thing to check is the battery. Make sure the battery is fully charged and the connections are clean and tight. If the battery is good, check the starter relay. It could be faulty and need replacement. Also, inspect the wiring harness for any loose or broken connections. Sometimes, the starter motor itself can be the culprit. If it's worn out or damaged, it may need to be rebuilt or replaced.
• Starter Motor Engages but Engine Doesn't Turn Over: If the starter motor engages but the engine doesn't turn over, the problem could be with the starter clutch or the flywheel. The starter clutch might be slipping, preventing the starter motor from properly engaging with the engine. Inspect the starter clutch for wear or damage and replace it if necessary. Also, make sure the flywheel is properly torqued and aligned. If it's loose or misaligned, it can cause problems with the starter motor.
• Slow Cranking Speed: A slow cranking speed can be caused by a weak battery, corroded connections, or a worn-out starter motor. Check the battery voltage and CCA to ensure it's performing properly. Clean all the electrical connections with a wire brush and apply some dielectric grease to prevent corrosion. If the starter motor is old, it may be losing efficiency and need to be rebuilt or replaced.
• Electrical Issues: Electrical issues can manifest in various ways, such as blown fuses, flickering lights, or a non-functional start button. Check the fuses to see if any are blown and replace them with the correct amperage. Inspect the wiring harness for any shorts or damaged wires. Use a multimeter to test the continuity of the wiring and identify any breaks. If the start button is not working, it could be faulty and need to be replaced.

By systematically troubleshooting these common issues, you can identify and resolve any problems that arise during or after the electric start conversion.

Conclusion

So there you have it, folks! Converting your Yamaha TT350 to electric start can be a rewarding project that significantly enhances your riding experience. While it requires some effort and mechanical skill, the convenience and reliability of electric start make it a worthwhile upgrade. By following this guide and doing your research, you can successfully convert your TT350 and enjoy the benefits of push-button starting. Remember to take your time, be patient, and don't be afraid to ask for help when you need it. Happy riding!