Product Installation Instructions for Camshaft Compatible with 125cc Engine Models (GS125, GN125, GZ, DR, GS, GN)

Preparation: Tools Required

Before you begin the installation process, ensure you have the following tools ready:

1. Socket Set - A complete socket set that includes various sizes.
2. Wrench Set - Open-end and adjustable wrenches for loosening and tightening bolts.
3. Screwdrivers - Both flathead and Phillips screwdrivers in different sizes.
4. Torque Wrench - To ensure proper tightening of bolts to the manufacturer's specifications.
5. Pliers - For gripping and manipulating small parts.
6. Rubber Mallet - Useful for tapping components without causing damage.
7. Gasket Scraper - To clean surfaces and remove old gaskets.
8. Clean Rags - For cleaning any oil or debris from the engine parts.
9. Safety Goggles - To protect your eyes during the installation process.
10. Gloves - To keep your hands clean and protected.

Installation Steps

1. Preparation: Ensure the engine is turned off and cooled down. Disconnect the battery for safety.

2. Remove Old Camshaft:

   • Remove the engine cover, using the appropriate socket and wrench.
   • Carefully take out the old camshaft, making sure to note the orientation for easier installation of the new camshaft.

3. Clean the Area:

   • Use the gasket scraper to remove any old gasket material from the camshaft housing.
   • Clean the area with rags to ensure no debris enters the engine.

4. Install the New Camshaft:

   • Insert the new camshaft into the engine, ensuring it aligns with the timing marks.
   • Follow the manufacturer’s specifications for timing to ensure the engine runs smoothly.

5. Reassemble:

   • Replace any gaskets and secure the engine cover back in place.
   • Use the torque wrench to tighten bolts to the specified torque.

6. Final Checks:

   • Reconnect the battery.
   • Start the engine and check for any irregular sounds or leaks.
   • Make adjustments as necessary for optimal performance.

Conclusion
By following these instructions and using the appropriate tools, you can easily install the new camshaft to boost the performance of your 125cc engine. Always refer to your specific motorcycle's service manual for additional guidance and specifications. Enjoy your enhanced riding experience!