VALVE CLEARANCE INSPECTION [LF]

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VALVE CLEARANCE INSPECTION [LF]

B3E011012111W03

1. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION [LF].)

2. Remove the battery cover (See BATTERY REMOVAL/INSTALLATION [LF].)

3. Disconnect the negative battery cable.

4. Disconnect the wiring harness.

5. Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION [LF].)

6. Remove the ventilation hose.

7. Remove the cylinder head cover.

8. Verify that the engine is cold.

9. Measure the valve clearance.

  (1) Turn the crankshaft clockwise so that the No.1 piston is at TDC of the compression stroke.
  (2) Measure the valve clearance at A in the figure.

  • If the valve clearance is out of the standard value, adjust it. (See VALVE CLEARANCE ADJUSTMENT [LF].)

  Note

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

  Standard [Engine cold]
  IN: 0.22-0.28 mm {0.0087-0.0110 in}
  EX: 0.27-0.33 mm {0.0107-0.0129 in}

  (3) Turn the crankshaft 360° clockwise so that the No.4 piston is at TDC of the compression stroke.
  (4) Measure the valve clearance at B in the figure.

  • If the valve clearance is out of the standard value, adjust it. (See VALVE CLEARANCE ADJUSTMENT [LF].)

  Note

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

  Standard [Engine cold]
  IN: 0.22-0.28 mm {0.0087-0.0110 in}
  EX: 0.27-0.33 mm {0.0107-0.0129 in}

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

11. Install the ventilation hose.

12. Install the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION [LF].)

13. Connect the wiring harness.

14. Connect the negative battery cable.

15. Install the battery cover. (See BATTERY REMOVAL/INSTALLATION [LF].)

16. Install the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION [LF].)