Product Installation Instructions for Piston Ring Kits Set for 250cc Motorcycles (1991-1994)

Package Contents:

• Piston Rings (compatible with 67.4mm bore size)
  -Installation Instructions

Tools Required:

1. Socket wrench set
2. Torque wrench
3. Piston ring compressor
4. Screwdrivers (flathead and Phillips)
5. Clean rags or shop towels
6. Small container (for retaining small parts)
7. Engine oil (for lubrication)
8. Safety goggles
   9.Gloves

Installation Steps:

1. Preparation:

   • Ensure the motorcycle is on a stable, flat surface.
   • Wear safety goggles and gloves for protection.

2. Remove Engine Components:

   • Use the socket wrench to remove the necessary components (e.g., cylinder head, piston) to access the old piston rings.
   • Keep all small parts organized in a container for easy reassembly.

3. Clean the Cylinder:

   • Wipe down the cylinder walls with clean rags to remove any debris or old oil. This will ensure a proper seal for the new rings.

4. Install New Piston Rings:

   • Carefully open the new piston ring kit and ensure the rings are the correct size and type.
   • Use the piston ring compressor to fit the new rings onto the piston. Ensure the ring gaps are aligned according to the manufacturer’s specifications.

5. Insert Piston into Cylinder:

   • Apply a light coat of engine oil to the piston and the cylinder walls to promote smooth installation and reduce wear.
   • Slide the piston into the cylinder carefully, ensuring the rings do not get damaged.

6. Reassemble Engine Components:

   • Reinstall the cylinder head and any other components that were removed.
   • Use the torque wrench to tighten bolts to the manufacturer's specified torque settings.

7. Check for Leaks:

   • Once everything is assembled, check for any oil leaks when you start the engine.

8. Final Check:

   • Make sure all components are tightly secured.
   • Clean any spilled oil and dispose of old parts properly.

Note: If you're unsure about the installation process, consider consulting a professional mechanic to ensure proper fitting and performance.