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6A – 86 ENGINE MECHANICAL Legend (1) Piston Grade The grade for piston outside diameter is stamped Piston Clearance: 0.092 – 0.110 mm (0.0036 – 0.0043 in) Cylinder Bore Diameter mm(in) Grade Mark Cylinder Bore Diameter A 95.421 – 95.430 (3.7567 – 3.7571) B 95.431 – 95.440 (3.7571 – 3.7575) C 95.441 – 95.450 (3.7575 – 3.7579) Legend Measuring point 1 = 20 mm 2 = 90 mm Piston rings Any worn or damaged part discovered during engine 1. Ring end gap measurement 1) Insert the piston ring into the cylinder bore. 2) Push the ring by the piston, at the right angle to the wall, into the point at which the cylinder bore 3) Measure the ring end gap. NOTE: The piston ring is stamped with a discerning 1 3 2 015RW080 012RW071 3 2 1 012RW117 012RW051 |