Product Installation Instructions for Piston Kit for 50cc, 70cc, 90cc 2-Stroke Engines

Tools Required:

1. Socket Wrench Set - For removing and tightening bolts.
2. Torque Wrench - To ensure proper torque specifications when reassembling.
3. Piston Ring Compressors - To easily install the piston rings onto the piston.
4. Screwdrivers - Both flathead and Phillips for various screws.
5. Pliers - To assist with removing and installing small components.
6. Clean Cloth or Rag - For cleaning engine parts during installation.
7. Gasket Scraper - To remove old gasket material from cylinder and exhaust ports.
8. Engine Oil - For lubricating new components during installation.
9. Safety Gear - Gloves and goggles for protection while working.

Installation Steps:

1. Preparation: Ensure the motorcycle is on a stable surface. Disconnect the battery and remove any necessary bodywork or panels for access to the engine.

2. Remove the Cylinder: Use the socket wrench to detach the cylinder head. Carefully lift off the cylinder from the engine.

3. Remove the Old Piston: Unscrew the retaining clips from the piston pin and slide out the old piston.

4. Clean Up: Use a clean cloth or rag to wipe down the cylinder and check for any wear or damage. Clean any old gasket material using a gasket scraper.

5. Install New Piston:

   • Apply a small amount of engine oil on the piston rings and piston.
   • Use the piston ring compressor to compress the rings around the new piston.
   • Insert the new piston into the cylinder, ensuring it’s oriented correctly as per your engine specifications.

6. Reattach the Cylinder: Carefully place the cylinder back onto the engine. Secure it with bolts using the torque wrench to the manufacturer's specified torque values.

7. Reassemble Other Components: Reattach any other parts that were removed, including the cylinder head and exhaust.

8. Final Checks: Ensure all bolts are tightened and nothing is out of place. Reconnect the battery.

9. Test the Engine: Start the engine to check for any unusual noises or leaks.

With these instructions, you should be well-prepared to install your new piston kit successfully. Happy riding!