The first character in the code, 1, indicates that the motor is a four-stroke engine. The second character, y, indicates that the motor is water-cooled. The third character, w, indicates that the motor is a 25-horsepower model. The fourth character, 0, indicates that the motor is a long-shaft model.
The 1yw04 code can be used to find information about the motor, such as its displacement, bore and stroke, compression ratio, and maximum RPM. This information can be helpful when performing maintenance or repairs on the motor.
