Valve Spring

SERVICE SPECIFICATIONS
Free Length:
Standard 36.83 mm (1.4500 inch)
Limit 35.67 mm (1.4043 inch)
Preload:
Standard 10.7-12.5 kg For 31.5 mm (23.6-27.5 lb/1.24 inch)
Limit 9.3 kg For 31.5 mm (20.5 lb/1.24 inch)
Squareness:
Limit 2.0 mm (0.079 inch)