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EM-288 < SERVICE DATA AND SPECIFICATIONS (SDS) [VK50VE] SERVICE DATA AND SPECIFICATIONS (SDS) AVAILABLE PISTON Unit: mm (in) PISTON RING Unit: mm (in) Main bearing housing inner diameter grade (Without bearing) Grade No. A 68.944 - 68.945 (2.7143 - 2.7144) Difference in inner diameter between cylinders Standard Less than 0.03 (0.0012) Items Standard Oversize (Service) [0.2 (0.008)] Piston skirt diameter “A” Grade No. 1 95.480 - 95.490 (3.7590 - 3.7594) — Grade No. 2 95.490 - 95.500 (3.7594 - 3.7598) — Grade No. 3 95.500 - 95.510 (3.7598 - 3.7602) — Service — 95.680 - 95.710 (3.7669 - 3.7681) Items Standard Limit “a” dimension 38.8 (1.528) — Piston pin hole diameter 21.993 - 21.999 (0.8659 - 0.8661) — Piston to cylinder bore clearance 0.010 - 0.030 (0.0004 - 0.0012) 0.08 (0.0031) SEM882E Items Standard Limit Side clearance Top 0.040 - 0.080 (0.0016 - 0.0031) 0.11 (0.0043) 2nd 0.030 - 0.070 (0.0012 - 0.0028) 0.10 (0.0039) Oil ring 0.055 - 0.155 (0.0022 - 0.0061) 0.19 (0.0075) |