Product Installation Instructions for Piston Kit for 50cc and 70cc 2-Stroke Scooter Engines

Compatibility:

This piston kit is designed for use with various models of 50cc and 70cc 2-stroke scooter engines. It includes options for 40mm and 47mm piston sizes.

Materials Included:

• Piston
• Piston rings
• Piston pin
  -Circlips

Tools Required:

To ensure a smooth installation process, please gather the following tools before starting:

1. Socket wrench set
2. Torque wrench
3. Screwdriver set (Philips and flathead)
4. Piston ring compressor
5. Circlip pliers
6. Allen wrench set
   7.Cleaning cloth
7. Engine oil (for assembly)

Installation Steps:

1. Preparation:

   • Ensure the scooter is on a stable surface and secure it using a stand.
   • Disconnect the battery to prevent any electrical issues.

2. Remove the Cylinder Head:

   • Use the socket wrench to remove the bolts securing the cylinder head.
   • Carefully take off the cylinder head and set it aside.

3. Remove the Old Piston:

   • Take out the circlips using circlip pliers.
   • Remove the piston pin with the appropriate tools.
   • Slide the old piston out of the cylinder.

4. Install the New Piston:

   • Make sure the piston rings are properly installed on the new piston.
   • Use the piston ring compressor to compress the rings.
   • Insert the new piston into the cylinder.
   • Replace the piston pin and secure it with the circlips.

5. Reattach the Cylinder Head:

   • Apply a thin layer of engine oil onto the cylinder head gasket.
   • Position the cylinder head back onto the cylinder and tighten the bolts using a torque wrench to the manufacturer's specifications.

6. Reassemble Other Components:

   • Reinstall any additional components that were removed during the installation.
   • Reconnect the battery.

7. Final Checks:

   • Ensure all bolts are tight and check for any loose connections.
   • Start the engine and let it run for a few minutes to ensure proper installation.

Safety Precautions:

• Always wear safety goggles and gloves during installation.
• Ensure the work area is well-ventilated.

By following these instructions and using the appropriate tools, you can successfully install the Piston Kit for your 50cc or 70cc 2-stroke scooter engine. Enjoy your ride!