Introduction
This manual provides comprehensive instructions for the installation, usage, and maintenance of the SERBNOPG metal upgrade kit. This kit is designed to enhance the durability and performance of your Wltoys SCY 16101, 16102, 16103, 16104, 16106, and 16201 1/16 scale remote control cars. Please read this manual carefully before proceeding with installation to ensure correct assembly and optimal performance.
Product Overview
The SERBNOPG metal upgrade kit replaces key plastic components of your RC car with durable metal parts. This includes the front and rear swing arms, steering cups, and rear wheel seats. These upgrades are engineered for precise fitment, offering increased strength and resilience against impacts, which is crucial for high-performance RC car operation. The metal construction contributes to a longer lifespan for these critical components, reducing the frequency of repairs and replacements.

Image 1: Overview of the SERBNOPG metal upgrade kit components, including front and rear swing arms, steering cups, and rear wheel seats, all in blue metal finish.
Package Contents
Upon opening the package, verify that all the following components are present:
- Front Swing Arms (2 pieces)
- Rear Swing Arms (2 pieces)
- Steering Cups (2 pieces)
- Rear Wheel Seats (2 pieces)
- Assorted Screws and Pins for installation
Note: The specific color of the kit (e.g., Blue, Red, Purple) will match your purchase.
Setup and Installation
Before beginning installation, ensure your RC car is powered off and the battery is disconnected. It is recommended to work on a clean, well-lit surface and keep track of all removed screws and small parts.
- Disassembly of Original Parts:
- Carefully remove the wheels from your RC car.
- Identify and remove the screws securing the original plastic front and rear swing arms, steering cups, and rear wheel seats. Keep these screws organized, as some may be reused.
- Gently detach the original components from the chassis and suspension system.
- Installation of Metal Swing Arms:
- Align the new metal front swing arms with the mounting points on the chassis.
- Secure them using the appropriate screws. Do not overtighten.
- Repeat the process for the rear metal swing arms.
- Installation of Metal Steering Cups and Rear Wheel Seats:
- Attach the metal steering cups to the front swing arms, ensuring proper articulation.
- Connect the steering linkages to the new steering cups.
- Install the metal rear wheel seats onto the rear swing arms.
- Ensure all pins and screws are securely fastened, allowing for smooth movement without excessive play.
- Reassembly:
- Reattach the wheels to the RC car.
- Perform a manual check of all suspension and steering components to ensure free movement and no binding.

Image 2: Close-up view of the blue metal front swing arms and steering components installed on an RC car chassis, showing the connection points and suspension.

Image 3: Full view of the RC car chassis with the blue metal upgrade kit fully installed, showcasing the front and rear suspension components.
Post-Installation Considerations
After installing the metal upgrade kit, it is advisable to perform a brief test run of your RC car in a controlled environment. Observe the steering response, suspension travel, and overall handling. The increased rigidity of metal parts may alter the car's feel slightly, potentially requiring minor adjustments to suspension settings or steering trim for optimal performance.
Maintenance
To ensure the longevity and performance of your metal upgrade parts, regular maintenance is recommended:
- Inspection: Periodically inspect all metal components for signs of wear, bending, or damage, especially after impactful runs.
- Cleaning: Keep the parts clean from dirt, dust, and debris. A soft brush and compressed air can be used. Avoid harsh chemicals that may corrode the metal finish.
- Fastener Check: Regularly check all screws and pins for tightness. Vibrations during operation can cause fasteners to loosen over time.
- Lubrication: While not always necessary for these specific parts, ensure any moving joints or pivot points on your RC car's suspension system remain free of friction.
Troubleshooting
If you encounter issues after installing the upgrade kit, consider the following:
- Stiff Movement/Binding: Ensure all screws are tightened correctly but not overtightened, which can restrict movement. Check for any misaligned parts or debris.
- Excessive Play: If there is too much wobble or play in the suspension or steering, re-check all fasteners. Ensure the correct pins and bushings are used.
- Unusual Noises: Investigate any grinding or clicking sounds. This could indicate parts rubbing, loose components, or incorrect assembly.
- Steering Issues: Verify that steering linkages are properly connected and not binding. Ensure the steering servo operates freely.
Specifications
- Material: Metal
- Compatibility: Wltoys SCY 16101, 16102, 16103, 16104, 16106, 16201, C8805 RC 1/16 Remote Control Cars
- Product Weight: Approximately 5.3 ounces (127g)
- Package Dimensions: 1.18 x 0.79 x 0.39 inches
- Item Model Number: caoxv
- Manufacturer Recommended Age: 36 months - 18 years
Support
For any questions, concerns, or assistance regarding the SERBNOPG metal upgrade kit, please contact our customer support. We are committed to providing comprehensive support and ensuring your satisfaction with our products.
Contact information is typically provided by your retailer or on the product packaging.