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1B1-112 M162 ENGINE MECHANICAL Service Data Standard Measurement of Cylinder Bore 1. Clean the cylinder wall. 2. Using a internal diameter gauge, measure the bore size in axial and transverse direction at three points (1,2,3). 1,2,3. Measuring Points A. Axial Direction Chamfer Angle Wear Limit in Longitudinal and Transverse Direction Permissible Deviation of Cylinder Out-of-round Permissible Deviation of Rectangular Cylinder Height (Except Chamfered Area) Basic Peak-to-valley Height After Final Honing and Brushing Chamfer Angle Honing Angle When new Wear limit 0.1 mm 0.007 mm 0.05 mm 0.05 mm 0.003 - 0.006 mm 60° 50° ± 10° |