Relief Valve Spring Tension

Check relief valve spring tension as shown in figure.

If measured tension is out of specification, replace oil pump assembly.

Relief valve tension 

Loaded at spring length 48.0 mm (1.89 in) 

Standard: 123 - 126 N (12.5 - 12.8 kgf, 27.7 - 28.3 lbf) 

Fig 1: Checking Relief Valve Spring Tension

Courtesy of SUZUKI OF AMERICA CORP.