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VALVE CLEARANCE INSPECTION [MZR-CD (RF Turbo)]

BME011012111W03

1. Remove the engine cover. (See TIMING BELT REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)

2. Remove the timing belts cover bolt as shown.

3. Remove the cylinder head cover. (See CYLINDER HEAD GASKET REPLACEMENT [MZR-CD (RF Turbo)].)

4. Turn the crankshaft and align the timing mark so that the piston of the No.1 or No.4 cylinder is at TDC of compression.

5. Measure the valve clearances A with the No.1 cylinder at TDC of compression, and those of B with the No.4 cylinder at TDC of compression.

  • If the valve clearance is not within the specification. (See VALVE CLEARANCE ADJUSTMENT [MZR-CD (RF Turbo)].)

Standard valve clearance [Engine cold]

  IN: 0.12-0.18 mm {0.005-0.007 in} (0.15±0.03 mm {0.006±0.001 in})
  EX: 0.32-0.38 mm {0.013-0.014 in} (0.35±0.03 mm {0.014±0.001 in})

6. Turn the crankshaft one full turn and measure the remaining valve clearances.

  • Adjust if necessary. (See VALVE CLEARANCE ADJUSTMENT [MZR-CD (RF Turbo)].)

7. Install the cylinder head cover. (See Cylinder Head Cover Installation Note.)

8. Install the timing belt cover bolt as shown.

  Tightening torque
  7.9-10.7 N·m {80-110 kgf·cm, 69.5-95.4 in·lbf}

9. Install the engine cover. (See TIMING BELT REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)