VALVE CLEARANCE INSPECTION [MZR 2.0 DISI]

id011007803400

1.  Disconnect the negative battery cable.

2.  Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION [MZR 2.0 DISI].)

3.  Disconnect the wiring harness.

4.  Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION [MZR 2.0 DISI].)

5.  Remove the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION [MZR 2.0 DISI].)

6.  Disconnect the ventilation hose from the cylinder head cover.

7.  Remove the dipstick.

8.  Remove the cylinder head cover. (See TIMING CHAIN REMOVAL/INSTALLATION [MZR 2.0 DISI].)

9.  Set the front mudguard (RH) out of the way. (See FRONT MUDGUARD REMOVAL/INSTALLATION.)

10.  Remove the splash shield (RH). (See SPLASH SHIELD REMOVAL/INSTALLATION.)

11.  Measure the valve clearance.

(1)  Rotate the crankshaft clockwise so that the No.1 cylinder is at TDC of the compression stroke.

(2)  Measure the valve clearance of location A shown in the figure.

acxuuw00000156

Standard valve clearance [Engine cold]

IN: 0.22—0.28 mm {0.009—0.011 in}

EX: 0.27—0.33 mm {0.011—0.012 in}

(3)  If it is not within the specification, replace the tappet and adjust the valve clearance to the median value of the standard. (See VALVE CLEARANCE ADJUSTMENT [MZR 2.0 DISI].)

Note

•  Make sure to note down the measured values for choosing the suitable replacement tappets.

(4)  Rotate the crankshaft clockwise 360° so that the No.4 cylinder is at TDC of the compression stroke.

(5)  Measure the valve clearance of location B shown in the figure.

Standard valve clearance [Engine cold]

IN: 0.22—0.28 mm {0.009—0.011 in}

EX: 0.27—0.33 mm {0.011—0.012 in}

(6)  If not within the specification, replace the tappet and adjust the valve clearance to the median value of the standard. (See VALVE CLEARANCE ADJUSTMENT [MZR 2.0 DISI].)

12.  Install in the reverse order of removal.