SX4 4WD L4-2.0L (2008)
Valve head thickness
Measure thickness "a" of valve head. If measured thickness exceeds limit, replace valve.
Valve head thickness "a"
Intake
Standard: 1.25 - 1.55 mm (0.049 - 0.061 in.)
Limit: 0.9 mm (0.035 in.)
Exhaust
Standard: 1.45 - 1.75 mm (0.057 - 0.069 in.)
Limit: 1.1 mm (0.04 in.)