CYLINDER HEAD ASSEMBLY
Subtract the valve stem outer diameter measure-
Valve stem- to-guide clearance
If the clearance is greater than specification, re-
Inspect the valves.
Check the valve is ground to the correct valve
Check that the surface of valve for wear.
Check the valve head margin thickness. If the
Check the valve length.
Check the surface of valve stem tip for wear.
Inspect the valve seats.
Check the valve seat for evidence of overheating
Before reconditioning the seat, check the valve
Recondition the valve seat with a valve seat
1.2 ~ 1.8 mm
0.8 ~ 1.4 mm