How to Remove the Battery from a Yamaha DT 125

The Yamaha DT 125, a popular dual-sport motorcycle, has a battery that occasionally needs maintenance, replacement, or charging. If you’re unfamiliar with how to remove the battery, this guide will walk you through the process step by step.

What You’ll Need

Before starting, gather the following tools:

1. A set of screwdrivers (Phillips and flathead).
2. A wrench or socket set (usually 10mm for battery terminals).
3. Safety gloves (optional but recommended).
4. A clean cloth or brush (to clean the battery compartment if needed).

Steps to Remove the Battery

1. Turn Off the Motorcycle

Ensure the motorcycle is turned off and the ignition key is removed. For added safety, disconnect any additional electrical devices or accessories.

2. Locate the Battery Compartment

The battery on the Yamaha DT 125 is usually located beneath the seat or on the side panel of the bike.

• If the battery is under the seat: You will need to remove the seat. This is typically done by loosening screws or bolts that secure it to the frame.
• If the battery is behind a side panel: Remove the panel by unscrewing or unclipping it carefully.

3. Disconnect the Battery Terminals

Once the battery is exposed, you’ll need to disconnect the terminals:

1. Remove the negative terminal (-) first to avoid short-circuiting. Use a wrench or socket to loosen the bolt and slide the cable off.
2. Next, remove the positive terminal (+) in the same manner.

4. Release the Battery from the Compartment

The battery may be secured with a strap, bracket, or rubber band:

• Unfasten the securing mechanism to free the battery.
• Gently lift the battery out of the compartment, being careful not to tilt it excessively to avoid spilling any acid (if it’s not a sealed battery).

5. Inspect and Clean

Before installing a new battery or putting the old one back, take a moment to inspect the battery compartment for dirt or corrosion. Clean it with a dry cloth or a soft brush if needed.

Additional Tips

• Always wear gloves when handling a battery, especially if it’s a traditional lead-acid battery, as it contains corrosive materials.
• If the battery terminals are corroded, clean them using a mixture of baking soda and water with a small brush.
• Ensure the replacement battery matches the specifications of the Yamaha DT 125 to avoid electrical issues.

Reinstalling the Battery

When you’re ready to reinstall the battery, follow the steps in reverse:

1. Place the battery back into its compartment and secure it with the strap or bracket.
2. Connect the positive terminal (+) first, followed by the negative terminal (-).
3. Replace the seat or side panel and tighten any screws or bolts.
4. Turn on the ignition to test if the battery is working properly.

Removing the battery from a Yamaha DT 125 is a straightforward process that requires basic tools and a bit of care. Regular battery maintenance can help ensure your bike runs smoothly and reliably. If you encounter any issues or feel uncertain, consult your owner’s manual or seek assistance from a professional mechanic.