Valve Spring - Pressure

VALVE SPRING / Pressure
Check valve spring pressure at specified spring height.

Pressure:
Standard ..............519 - 571 N (52.9 - 58.2 kg, 116.7 - 128.4 lbs.) at 27.0 mm (1.063 inch)
Limit ..........More than 491.8 N (50.16 kg, 110.56 lbs.) at 27.0 mm (1.063 inch)

If it exceeds the limit, replace spring.