^/=— (Ec. 1.9)
1.3 LUBRICACIÓN DEL MOTOR.
El lubricante y el sistema de lubricación desempeñan las siguientes funciones principales:
Reducir las pérdidas de fricción y asegurar el máximo rendimiento mecánico del motor.
Proteger el motor contra el desgaste.
Contribuir a la refrigeración de los pistones...
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