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What is the function of the Bearing 5×11×4 (21120) on the YIKONG YK4107 RC Car?
The YIKONG YK4107 Bearing 5×11×4 (21120) is a metal ball bearing used in the drivetrain and rotating assemblies of the crawler. Its main function is to...
Why is my YIKONG YK4107 RC Car making noise from the drivetrain?
Grinding or clicking noises from the drivetrain of your YIKONG YK4107 can be caused by worn, dry, or damaged bearings, including the Bearing 12x18x4 (21122). If...
Why is my YIKONG YK4102 RC Car steering feeling loose or vague?
Loose or vague steering on your YIKONG YK4102 is often caused by worn Ball Linkage Ends (13014) developing play at the pivot points. This is a...
How Do You Install the YIKONG YK4103 RC Car Lamp Cup & Lamp Shade Set (13235)?

The YIKONG YK4103 RC Car Lamp Cup & Lamp Shade Set (13235) is designed as a direct replacement for the original lamp assemblies. Remove the original lamp cups and lamp shades, position the new parts correctly, and secure them using the included mounting screws. Tighten the screws evenly without overtightening...

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Recent posts

What is the function of the Bearing 5×11×4 (21120) on the YIKONG YK4107 RC Car?
The YIKONG YK4107 Bearing 5×11×4 (21120) is a metal ball bearing used in the drivetrain and rotating assemblies of the crawler. Its main function is to...
Why is my YIKONG YK4107 RC Car making noise from the drivetrain?
Grinding or clicking noises from the drivetrain of your YIKONG YK4107 can be caused by worn, dry, or damaged bearings, including the Bearing 12x18x4 (21122). If...
Why is my YIKONG YK4102 RC Car steering feeling loose or vague?
Loose or vague steering on your YIKONG YK4102 is often caused by worn Ball Linkage Ends (13014) developing play at the pivot points. This is a...