Measure the cylinder head diagonally for warp with a
straight edge and feeler gauge.
Measure the free length of the inner and outer valve springs.
SERVICE LIMITS: Inner 31.2 mm
Outer 34.1 mm
Inspect each valve for turning, burning, scratches or
abnormal stems wear.
Check the valve movement in the guide.
Measure and record each valve stem O.D.
SERVICE LIMITS: 4.90 mm
Measure and record the valve guide I.D.
SERVICE LIMITS: IN / EX 5.30 mm