13. Service standards20213.2 Engine body13.2.1 Cylinder head(1) Cylinder head(2) Intake/exhaust valve and guide(3) Valve spring(4) Rocker arm and shaftInspection item Standard Limit ReferencepageCombustion surface distortion mm 0.05 or less 0.15 5.2.1(1)Valve sinkmmIntakeExhaust 0.4-0.6 0.8 5.2.3(3)Valve seat Seat angledeg.Intake 120 - 5.2.1(3)Exhaust 90 -mmInspection item Standard Limit ReferencepageIntake Guide inside diameter 6.000-6.012 6.085.2.3Valve stem outside diameter 5.960-5.975 5.90Clearance 0.025-0.052 0.16Exhaust Guide inside diameter 6.000-6.012 6.08Valve stem outside diameter 5.945-5.960 5.90Clearance 0.040-0.067 0.17Valve guide projection from cylinder head 9.8-10.0 - 5.2.3(4)Valve guide driving-in method Cold-fitted -mmInspection item Standard Limit ReferencepageFree length 37.8 36.3 5.2.4(1)Inclination - 1.3mmInspection item Standard Limit ReferencepageArm shaft hole diameter 12.000-12.020 12.075.2.7(1)Shaft outside diameter 11.966-11.984 11.94Clearance 0.016-0.054 0.13
