Tester Perdite Cilindro Auto TU-21Benzina Motore Compressione Tester Doppio Manometro
One revolution of the crankshaft (180°) is used to test one cylinder. Listen carefully to the air leakage to judge the air leakage of the cylinder. If you hear a leak at the muffler mouth of the exhaust pipe, the exhaust valve is not sealed.