Fig. 2.87. Measurement are long a valvate spring

Measure by a caliper spring length in a free state (fig. 2.87).

Valve spring length: 45,70 mm.

Fig. 2.88. Measurement of a gap of not perpendicularity of a valvate spring

Using a metal square (90 °), check a gap of not perpendicularity of a spring of the valve (fig. 2.88).

Limit gap of not perpendicularity: 1,6 mm.