Service Limits & General Specifications

CYLINDER HEAD DISTORTION





Measure the bottom surface of the cylinder head for distortion in six directions as shown, using suitable tools.
Standard 0.03 mm (0.0012 inches)
Limit 0.1 mm (0.004 inches)
If measurement exceeds the limit, replace the cylinder head.

Cylinder Head Bolts Diameter





^ Cylinder head bolts are tightened by plastic zone tightening method. Whenever the size difference between d1 and d2 exceeds the limit, replace the bolt with a new one.
Limit (d1 - d2) 0.18 mm (0.0071 inches)
^ If reduction of diameter appears in a position other than d2, use it as d2 point.





CYLINDER HEAD