Valve Spring
VALVE SPRING1. Apply pressing force of 126.7-143.3 N (12.92-14.62 kgf, 29-32 lbf) to the valve spring and check the spring height.
Height: 31.5 mm (1.24 in)
2. Replace the valve spring if necessary.
3. Measure the out-of-square of the valve spring. Replace the valve spring if necessary.
Out-of-square: 1.33 mm (0.052 in) max.