1. Introduction
This manual provides instructions for the SERBNOPG Metal Pull Rod Linkage Kit, designed as an upgrade and replacement part for Yikong YK4106 and YK4107 1/10 scale RC crawler cars. This kit enhances the durability and performance of your remote-controlled vehicle's suspension system.
Product Features
- Durable Material: Constructed from high-quality metal to increase the lifespan of your RC car components.
- Enhanced Performance: Designed to improve the overall performance and driving experience of your RC crawler.
- Easy Installation: Convenient to install, serving as a direct replacement for old or damaged parts.
- Quality Assurance: Each accessory undergoes strict quality control to ensure it meets performance requirements.

Figure 1: The complete set of 8 yellow metal pull rod linkages, designed for upgrading Yikong YK4106 and YK4107 1/10 scale RC crawler cars.
2. Setup and Installation
The SERBNOPG Metal Pull Rod Linkage Kit is designed for straightforward installation. Follow these general guidelines for replacing your RC crawler's linkage rods. Basic RC tools (not included) may be required.
- Identify Parts: Identify the existing pull rods on your Yikong YK4106 or YK4107 RC crawler that require replacement.
- Remove Old Rods: Carefully remove the old or damaged linkage rods using appropriate RC tools. Note the orientation and connection points for reassembly.
- Install New Rods: Attach the new SERBNOPG metal pull rods in the same configuration as the removed parts. Ensure all connections are secure and properly aligned.
- Verify Movement: Verify that the new linkages allow for proper suspension and steering movement without obstruction or binding.
- Test Functionality: Test the RC car's functionality at a low speed after installation to confirm correct operation and stability.
3. Operation
Once installed, the metal pull rod linkage kit functions as an integral part of your RC crawler's suspension and steering system. It is designed to provide robust and reliable connection points, contributing to improved handling, stability, and durability during operation. No specific operational steps are required for the linkages themselves beyond their proper installation and integration into the RC vehicle's system.
4. Maintenance
To ensure the longevity and optimal performance of your metal pull rod linkage kit, regular maintenance is recommended:
- Regular Inspection: Periodically inspect the rods for any signs of wear, bending, or damage, especially after heavy use or impacts.
- Cleaning: Clean the linkages regularly to remove dirt, dust, and debris that can accumulate during use. A soft brush and mild cleaner can be used.
- Check Connections: Check all connection points and screws to ensure they remain tight. Re-tighten if necessary to prevent loosening during operation.
- Lubrication: Apply a small amount of appropriate lubricant to the pivot points if any stiffness or friction is observed. Avoid over-lubrication, which can attract dirt.
5. Troubleshooting
If you encounter issues after installing the SERBNOPG Metal Pull Rod Linkage Kit, consider the following common problems and solutions:
- Loose Connections: If the RC car exhibits erratic handling or parts detach, ensure all screws and fasteners connecting the linkages are securely tightened.
- Restricted Movement: If the suspension or steering feels stiff or does not move freely, check for any binding or incorrect assembly of the rods. Ensure no parts are interfering with each other.
- Unusual Noise: Rattling or clicking sounds may indicate loose parts, worn components, or improper installation. Inspect the linkages and surrounding areas for the source of the noise.
- Part Damage: In case of severe impacts or accidents, inspect the metal rods for bending, fractures, or other damage. Replace any damaged parts immediately to maintain performance and prevent further issues.
6. Specifications
| Feature | Detail |
|---|---|
| Material | Metal |
| Quantity | 8 pieces |
| Item Weight | 156g (approx. 5.5 oz) |
| Package Dimensions | 1.18 x 0.79 x 0.39 inches |
| Item Model Number | caoxv |
| Manufacturer | caoxv |
| Recommended Age | 36 months - 18 years |
7. Warranty and Support
SERBNOPG is committed to customer satisfaction. While specific warranty details are not provided in this manual, the product quality has been strictly controlled to meet requirements. If you encounter any issues, have questions, or suggestions regarding your purchase, please contact the seller directly for assistance. They are available to serve you at any time.