Installation Instructions for Motorized Bike High Hole Piston Compatible with 66cc and 80cc Engines

Overview:
This high hole piston is specifically designed to enhance the performance of 66cc and 80cc engines in motorized bikes. Following these instructions will help you efficiently install the piston for an improved riding experience.

What You'll Need:

Tools Required:
-Socket wrench set

• Screwdriver set (flathead and Phillips)
• Piston compression ring tool (optional but recommended)
  -Torque wrench
  -Clean cloth or shop towels
• Engine oil (for lubricating components during installation)

Installation Steps:

1. Preparation:

   • Ensure the bike is turned off and remove the spark plug for safety.
   • Disconnect the fuel line and drain any remaining fuel from the engine.

2. Remove the Cylinder Head:

   • Use the socket wrench to loosen and remove the bolts securing the cylinder head.
   • Gently lift the cylinder head off and set it aside.

3. Remove the Old Piston:

   • Use the piston ring compression tool, if available, to compress the piston rings.
   • Slide the old piston out of the cylinder carefully, avoiding damage to the cylinder walls.

4. Install the High Hole Piston:

   • Apply a thin layer of engine oil to the new high hole piston and piston rings.
   • Insert the new piston into the cylinder, ensuring proper alignment with the crankshaft.
   • Use the piston ring compression tool to compress the rings and facilitate installation.

5. Reassemble the Cylinder Head:

   • Place the cylinder head back onto the engine.
   • Secure it with bolts, using the torque wrench to ensure they are tightened to the manufacturer's specifications.

6. Reconnect Components:

   • Reattach the spark plug and ensure that the fuel line is properly connected.
   • Refill the fuel tank with fresh fuel.

7. Final Checks:

   • Inspect all connections and ensure everything is secure.
   • Check the oil level and add oil if necessary.

8. Testing:

   • Start the engine and let it idle for a few minutes to ensure everything is functioning properly.
   • Take the bike for a short test ride to experience the enhanced performance.

By following these installation steps and using the required tools, you will successfully install the high hole piston and enjoy an improved riding experience. Happy riding!