How to Change the Electric Starter for 110cc & 125cc Models

Owning a 110cc or 125cc ATV quad means having an electric starter, a convenient device that easily starts the engine engine. However, electric starters require regular maintenance to avoid issues and potential engine damage.

When faced with a failing starter, knowing how to replace it becomes crucial. Don’t worry; we will guide you through simple steps. You’ll learn to remove the old starter, install a new one, and ensure it functions correctly. By following this guide, you’ll save time and money while enjoying worry-free rides on your bike.

Understanding the Motorcycle Electric Starter

You may have wondered how the electric starter works if you own a 110cc or 125cc powersports vehicle, such as a dirt bike or an ATV quad. The electric starter is a device that allows you to start your engine with a button instead of using a kickstart or a pull cord.

To comprehend the inner workings of the electric starter system, it’s vital to familiarize ourselves with its key components. Typically found in power sports vehicles, such as dirt bikes and ATVs, these components work harmoniously to ignite the engine effortlessly. Let’s explore them in detail:

Starter Motor

The starter motor is at the heart of the electric starter system—a powerful, compact device responsible for generating rotational force and motion in starter motors. It takes power from the battery and transforms it into mechanical energy to start the engine.

Starter Solenoid

The starter solenoid serves as a switch, connecting and disconnecting the high-current circuit between the battery and the starter motor. When engaged, it creates a magnetic field that pulls the starter motor gear into contact with the engine’s flywheel, initiating the starting process.

Battery

The powersports batteries act as the primary power source for the electric starter motor and system. It stores electrical energy, delivering a reliable power surge to the electric starter motor when required. A well-maintained and adequately charged battery ensures a smooth start every time.

How the Electric Starter in 110cc and 125cc Models Function

Now that we’ve grasped the fundamental components let’s explore how the ATV electric starter operates, specifically in 110cc and 125cc models. While the principles remain similar, some variations exist due to the engine specifications. Let’s delve into the intricacies:

Initial Activation

The starter solenoid receives an electrical signal when the ignition key is turned, or the start button is pressed, which causes the starter motor gear to magnetically connect with the engine’s flywheel.

Rotational Power

Upon engagement, the starter motor draws electrical current from the battery and converts it into rotational force. This force is transmitted to the engine’s flywheel, allowing it to rotate and begin combustion.

Engine Ignition

As the engine rotates, the spark plug ignites the air-fuel mixture, kickstarting the combustion cycle. It leads to the engine firing independently, allowing for a smooth and effortless start.

Common Signs of a Faulty Electric Starter

Despite its reliability, the electric starter system can experience issues over time. Recognizing the signs of a faulty electric starter is essential to addressing the problem promptly. Here are some common indicators to watch out for:

Unresponsive Starter Motor

When you attempt to start your powersports vehicle, but the starter motor does not engage or produce any noise, it indicates a potential problem with the starter motor or the solenoid.

Clicking Sounds

If you hear repetitive clicking sounds when trying to start the engine, note that it often points towards a weak battery or a faulty solenoid unable to provide adequate current to the starter motor. The repeated clicking noise signifies the solenoid’s attempt to engage the starter motor but failing due to insufficient power.

Slow Cranking

When you notice the engine cranking slowly or struggling to turn over, it could indicate a weak battery. Insufficient power reaching the starter motor leads to sluggish cranking, hampering the engine’s ability to start promptly.

Frequent Battery Drain

If you frequently need to jump-start your power sports vehicle or experience rapid battery drain, it may indicate an underlying issue with the starter system. A faulty starter motor or a parasitic electrical drain could be the culprits.

Grinding Noise

A grinding noise during the starting process suggests a misalignment or damaged gear teeth in the starter motor. This issue can prevent the proper engagement of the starter motor gear with the engine’s flywheel, impeding the engine’s ignition.

Preparing for the Electric Starter Replacement

Before you begin the process of replacing the starter on your bike, you need to do some preparation. Here are the steps you should follow:

Gathering necessary tools and equipment

You will need a set of wrenches, a screwdriver, a socket set, a multimeter, and a new starter that matches your bike’s model. You may also need to buy some electrical tape, wire cutters, and pliers. Ensure you have all these tools and equipment ready before working on your bike.

Ensuring safety precautions are followed.

Replacing the electric starter involves working with electrical components that can be dangerous if not handled properly. To avoid any accidents or injuries, you should follow these safety precautions:

Disconnect the battery from your bike and remove it from the battery box.

Always use safety equipment, gloves, and goggles when working with electrical lines and connections.

• Do not touch any exposed wires or terminals with bare hands or metal tools.
• Do not attempt to start your bike while the electric starter is disconnected or removed.

Identifying the specific electric starter model for the bike

The electric starter is a small motor that turns the engine over when you press the start button. It is on your bike’s right side, near the crankcase. To find out the specific model of your electric starter, you can check the part number on the starter itself or refer to your bike’s manual. You must ensure you get the correct replacement part for your bike, as different models may have different specifications and compatibility.

A Step-by-Step Guide to Changing the Motorcycle Electric Starter

Step 1: Disconnecting the battery and removing any electrical connections

Start by disconnecting the battery’s negative terminal to ensure safety. Then, carefully remove any electrical connections attached to the electric and starter motors, handling them carefully.

Step 2: Locating and accessing the electric starter on the bike

Refer to your bike’s manual or online resources to locate details on the electric starter’s position. Remove any necessary parts, such as fairings or covers, to access the electric starter easily.

Step 3: Removing the old electric starter

Using the appropriate tools, detach the mounting bolts or screws securing the old electric starter. Slowly and steadily, remove the starter from its position, being cautious not to damage any surrounding components.

Step 4: Installing the new electric starter

Align the new electric starter correctly, ensuring it matches the mounting points. Securely fasten the front atv electric starter with the provided bolts or screws, following the manufacturer’s guidelines.

Step 5: Reconnecting the battery and electrical connections

Reconnect the electrical connections to the brand new electric starter, double-checking their proper alignment. Finally, reconnect the battery’s negative terminal, completing the installation process.

Testing the New Electric Starter

After installing the new electric starter, you must test it to ensure it works properly. Follow these steps to conduct a test start-up and troubleshoot common issues.

Verifying proper installation

Before you turn on the power:

• Check that the starter is securely mounted and connected to the battery and the engine.
• Make sure the wires are not loose or damaged.
• For further details, please consult the installation manual.

Conducting a test start-up

Turn on the power and press the start button. You should hear a clicking sound and see the engine crank. If the engine starts, congratulations! You have successfully installed the new electric starter. If the engine does not start, proceed to the next section.

Troubleshooting common issues

If your engine fails to start, there are various potential causes that you can address. Let’s explore some common issues and their corresponding solutions:

The starter does not click or crank

If you don’t hear any clicking or cranking sounds when attempting to start the engine, it indicates a lack of power reaching the starter. To resolve this, check the battery voltage first. If it’s low, recharge or replace the battery. Additionally, inspect the fuse related to the starter and replace it if it’s blown.

The starter clicks but does not crank

When you hear a clicking noise but the engine doesn’t crank, insufficient power is likely reaching the starter. Begin by checking the battery charge. If it’s low, recharge or replace the battery as needed. Next, inspect the connections to ensure they are securely tightened. If any connections are loose, tighten them properly.

The engine starter turns, but the engine does not start.

If the starter cranks but fails to ignite the engine, there may be an issue with the ignition system. Start by checking the spark plugs for signs of dirt or damage. Clean or replace them accordingly. Additionally, inspect the fuel supply to ensure it is not empty. Refill the fuel tank if needed.

Conclusion

Your powersports adventures depend on a reliable electric starter. As we conclude this guide, let’s recap and understand the importance of a functioning electric starter for seamless starts and thrilling rides.

Changing the electric starter on dirt bike may seem daunting, but armed with the right knowledge and tools, you can confidently tackle it. Remember, regular maintenance and prompt replacements ensure optimum performance. A properly functioning ATV electric starter motor not only helps with ignition, it also makes an ATV overall more reliable and safe. So, don’t neglect your bike’s electric starter—take the necessary steps to keep it in top shape.

Whether you’re revving up your engine or enhancing your experience with replacement parts, prioritize the heartbeat of your ride, and let the adventures unfold!