TACHOMETER CHECK

1.Connect the engine speedometer to the fuel injection pipe. 2.Compare the readings of the engine speedometer and the tachometer at every engine speed, and check if the variation are within the standard value. Standard value: Engine speed r/min Tachometer indicating tolerance r/min 700 700 ± 100 (2,000) (2,000 ± 100) 3,000 3,000 ± 150 (4,000) (4,000 ± 200) 5,000 5,000 ± 250 note The value in parentheses is a reference value.