Installation Instructions for Motorcycle Camshaft and Rocker Arm Set for 125cc Engine

Thank you for your purchase! This installation guide will help you install the camshaft and rocker arm set for your 125cc motorcycle engine. Please read all steps carefully before starting the installation.

Tools Required:

1. Socket Set - Includes various sizes for removing and installing bolts.
2. Torque Wrench - To ensure proper tightening of bolts to manufacturer specifications.
3. Screwdriver Set - Both Phillips and flathead screwdrivers may be needed.
4. Pliers - For gripping and manipulating smaller components.
5. Feeler Gauge - To measure valve clearances for proper adjustment.
6. Oil Filter Wrench - If you need to remove the oil filter during installation.
7. Engine Oil - For lubrication of new components and topping off the engine.
8. Clean Rags - For wiping excess oil and keeping the work area clean.
9. Safety Gear - Such as gloves and goggles to protect yourself during installation.

Installation Steps:

1. Preparation:

   • Ensure the motorcycle is on a stable surface and the ignition is turned off.
   • Disconnect the battery to prevent any electrical issues during installation.

2. Remove Existing Components:

   • Remove any necessary covers or components to access the engine top.
   • Carefully take out the old camshaft and rocker arms, noting their arrangement for reference.

3. Install New Camshaft:

   • Position the new camshaft into the engine.
     -Align it properly with the timing marks to ensure correct installation.

4. Install New Rocker Arms:

   • Place the new rocker arms onto the camshaft.
   • Ensure they sit correctly on the valve tips.

5. Adjust Valves:

   • Use the feeler gauge to set the correct valve clearances as per manufacturer specifications.

6. Reassemble Engine:

   • Reattach any covers or components that were removed for access.
   • Make sure everything is secure and that no tools are left in the engine compartment.

7. Reconnect Battery:

   • Reattach the battery terminals and ensure they are tight.

8. Test the Motorcycle:

   • Start the engine and let it idle. Check for any unusual noises and ensure that everything is functioning smoothly.
   • Take the motorcycle for a short ride to ensure the performance has improved.

Final Checks:

• After installation, periodically check the engine for any leaks or unusual sounds.
• Regular maintenance will help extend the life of the new components.

Enjoy your enhanced riding experience with improved performance! If you have any questions during the installation, please consult a professional mechanic for assistance.