Valve Clearance: Testing and Inspection

VALVE CLEARANCE INSPECTION [LF, L3]
1. Remove the plug hole plate.
2. Remove the battery cover.
3. Disconnect the negative battery cable.
4. Disconnect the wiring harness.
5. Remove the ignition coils.
6. Disconnect the OCV connector.
7. Remove the ventilation hose.
8. Remove the cylinder head cover.
9. Verify that the engine is cold.
10. 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.
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)

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

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.

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)
11. Install the cylinder head cover.
12. Install the ventilation hose.
13. Connect the OCV connector.
14. Install the ignition coils.
15. Connect the wiring harness.
16. Connect the negative battery cable.
17. Install the battery cover.
18. Install the plug hole plate and bracket.