Installation Instructions for 4PC Intake and Exhaust Valves Set for 125cc Scooter Models

Tools Required:

1. Wrench Set: To remove and install bolts and nuts.
2. Screwdriver Set: Phillips and flat-head screwdrivers for various screws.
3. Torque Wrench: To ensure bolts are tightened to the manufacturer's specifications.
4. Pliers: For handling small parts and securing components.
5. Gasket Scraper: To remove old gaskets without damaging the surfaces.
6. Clean Cloth: For cleaning surfaces before installation.
7. Gloves: To protect your hands during the installation process.
8. Safety Glasses: To protect your eyes from debris.

Installation Steps:

1. Preparation:

   • Ensure the scooter is on a stable, flat surface.
   • Disconnect the battery to prevent any electrical issues during installation.

2. Removal of Old Valves:

   • Remove the engine cover and any other components blocking access to the valves.
   • Use a wrench and screwdriver to carefully remove the old intake and exhaust valves.
   • Take note of the placement for proper installation of the new valves.

3. Cleaning:

   • Use the gasket scraper to remove any old gaskets from the valve seats.
   • Clean the surfaces thoroughly with a clean cloth to ensure a good seal with the new valves.

4. Installation of New Valves:

   • Compare the new valves to the old ones to ensure they are the correct size and shape.
   • Install the new intake and exhaust valves into their respective places.
   • Ensure they are seated properly.

5. Securing the Valves:

   • Use the wrench to tighten the bolts securing the valves.
   • Use the torque wrench to tighten to the manufacturer’s specifications.

6. Reassembly:

   • Replace any components you removed during the process, ensuring everything is secured properly.
   • Re-install the engine cover.

7. Final Checks:

   • Reconnect the battery.
   • Start the scooter to check for proper operation of the new valves.
   • Inspect for any leaks or irregular sounds.

Conclusion:

By following these instructions and using the required tools, you will successfully enhance the performance of your 125cc scooter with the new intake and exhaust valves. Enjoy a smoother and more powerful riding experience!