Pic. 2.87. Measuring valve spring length
Use a caliper to measure the free length of the spring (pic. 2.87).
Valve spring length: 45.70 mm.
Pic. 2.88. Measuring valve spring misalignment clearance
Using a metal square (90°), check valve spring misalignment clearance (pic. 2.88).
Limit clearance of non-perpendicularity: 1.6 mm.