Here is the installation guide for the Motorcycle 74mm Piston Ring Kit:

Tools Required:

• Socket wrench or ratchet and socket set
• Torx screwdriver (for some models)
• Piston ring compressor
• Ring expander (optional)
• Oil drain pan
• New piston rings (included in the kit)
• New piston pins (included in the kit)
• New piston skirts (included in the kit)
• Gasket sealant (optional)

Preparation:

1. Make sure you have a clean and well-lit workspace.
2. Consult your owner's manual or a repair manual for specific instructions and precautions for your particular motorcycle model.
3. Wear protective gear, including gloves, safety glasses, and a face mask.

Step 1: Remove the Cylinder Head

1. Disconnect the spark plug wires and remove the spark plugs.
2. Remove the cylinder head bolts and gaskets.
3. Carefully lift the cylinder head off the engine block.

Step 2: Remove the Piston Rings

1. Use a piston ring compressor to compress the piston rings.
2. Remove the piston rings from the cylinder liners.
3. Clean the piston rings and cylinder liners.

Step 3: Install the New Piston Rings

1. Apply a thin layer of engine oil to the new piston rings.
2. Install the new piston rings onto the cylinder liners, making sure they are properly seated.
3. Use a ring expander to expand the piston rings to fit the cylinder liners.

Step 4: Install the New Piston Pins

1. Apply a thin layer of engine oil to the new piston pins.
2. Install the new piston pins into the pistons, making sure they are properly seated.

Step 5: Install the New Piston Skirts

1. Apply a thin layer of engine oil to the new piston skirts.
2. Install the new piston skirts onto the pistons, making sure they are properly seated.

Step 6: Reinstall the Cylinder Head

1. Apply a thin layer of gasket sealant to the cylinder head gaskets.
2. Install the cylinder head bolts and tighten them in a star pattern.
3. Reconnect the spark plug wires and install the spark plugs.

Step 7: Check and Test

1. Start the engine and check for any leaks or unusual noises.
2. Check the oil level and top it off as needed.
3. Take the motorcycle for a test ride to ensure everything is working properly.

Note: This is a general guide and may not be specific to your particular motorcycle model. Consult your owner's manual or a repair manual for specific instructions and precautions.