Operation CHARM: Car repair manuals for everyone.

Valve Clearance: Testing and Inspection

VALVE CLEARANCE INSPECTION [LF]

1. Remove the battery cover.
2. Disconnect the negative battery cable.
3. Remove the plug hole plate.
4. Disconnect the ventilation hose.
5. Remove the front suspension tower bar (joint).
6. Remove the CMP sensor.
7. Disconnect the OCV connector.
8. Disconnect the P/S pressure switch connector.
9. Remove the ignition coils.
10. Remove the cylinder head cover.
11. 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 specification, adjust it.

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

Valve clearance [Engine cold]
IN: 0.22 - 0.28 mm (0.0087 - 0.0110 inch)
EX: 0.27 - 0.33 mm (0.0107 - 0.0129 inch)





3. Turn the crankshaft 3600 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 specification, adjust it.

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

Valve clearance [Engine cold]
IN: 0.22 - 0.28 mm (0.0087 - 0.0110 inch)
EX: 0.27 - 0.33 mm (0.0107 - 0.0129 inch)
12. Install the cylinder head cover.
13. Install the ignition coils.
14. Connect the P/S pressure switch connector.
15. Connect the OCV connector.
16. Install the CMP sensor.
17. Install the front suspension tower bar (joint).
18. Connect the ventilation hose.
19. Install the plug hole plate.
20. Connect the negative battery cable.
21. Install the battery cover.