[It's not difficult to keep a car] Motorcycle Maintenance school—Brake Oil
Many motorcycles have a cup on the front of the car. It doesn't look good. The yellow liquid inside is light. This is the brake oil commonly known as force oil. Its effect is to transmit the force of your brake lever to the brake caliper (abalone). Once there is a problem with the brake oil, the brake system will fail, and the consequences are very serious. This time the helmet king will show you about the brake oil!