วิธีทำSONICเป็น143cc. คลิปเดียวจบ (SUBTITLE) #sonic

Introduction

This tutorial will guide you through the process of modifying a SONIC motorcycle to increase its engine displacement to 143cc. This step-by-step guide is relevant for enthusiasts looking to enhance their bike's performance while utilizing stock parts.

Step 1: Gather Necessary Tools and Materials

Before starting the modification, ensure you have the following tools and materials ready:

• Basic hand tools (wrench set, screwdrivers)
• Torque wrench
• Engine oil
• Gasket set
• Upgraded cylinder (143cc)
• Piston kit (matching the new cylinder)
• New spark plug

Practical Tips

• Ensure your workspace is clean and organized.
• Wear safety gear, including gloves and goggles.

Step 2: Remove the Existing Engine Components

To access the engine, follow these steps:

1. Drain Engine Oil

   • Locate the oil drain plug under the engine and remove it to drain the oil into a suitable container.

2. Remove the Seat and Side Panels

   • Unscrew the bolts securing the seat and side panels, then carefully detach them.

3. Disconnect the Battery

   • Remove the negative terminal first, followed by the positive terminal.

4. Unscrew the Engine Cover

   • Locate the screws holding the engine cover in place and remove them.

Step 3: Install the New Cylinder and Piston

Once the old components are removed, install the new parts:

1. Prepare the New Cylinder

   • Ensure the new 143cc cylinder is clean and free of debris.

2. Install the New Piston

   • Insert the new piston into the cylinder, ensuring it is aligned correctly.

3. Attach the Cylinder

   • Place the new cylinder onto the engine block and secure it with bolts. Use a torque wrench to tighten them to the manufacturer's specifications.

Common Pitfalls to Avoid

• Do not overtighten the bolts, as this can damage the cylinder.
• Ensure the piston rings are properly aligned.

Step 4: Reassemble Engine Components

Reassemble the parts you removed earlier:

1. Reattach the Engine Cover

   • Secure the engine cover with screws.

2. Reconnect the Battery

   • Attach the positive terminal first, followed by the negative terminal.

3. Replace the Seat and Side Panels

   • Reinstall the seat and side panels, ensuring all screws are tightened.

Step 5: Add Engine Oil and Start the Engine

Complete the modification by adding oil and starting the engine:

1. Fill with Engine Oil

   • Pour the recommended type and amount of engine oil into the oil fill cap.

2. Start the Engine

   • Turn the ignition key and start the engine. Let it idle for a few minutes to ensure everything is functioning correctly.

Practical Advice

• Listen for any unusual noises indicating potential issues.
• Check for oil leaks around the new cylinder.

Conclusion

You have successfully modified your SONIC motorcycle to 143cc. Remember to regularly check the engine's performance and oil levels. This modification can enhance your bike's speed and efficiency, making it a fun and rewarding project. For further enhancements, consider exploring upgrades to the exhaust and air intake systems.