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EM-124 < SERVICE DATA AND SPECIFICATIONS (SDS) SERVICE DATA AND SPECIFICATIONS (SDS) * : Always check with the Parts Department for the latest parts information. PISTON, PISTON RING AND PISTON PIN Available Piston Unit: mm (in) *: Always check with the Parts Department for the latest parts information. Piston Ring Unit: mm (in) Main journal inside diameter grade (Without bearing)* Grade No. A 68.944 - 68.945 (2.7143 - 2.7144) Difference in bore diameter between cylinders Standard Less than 0.03 (0.0012) Items Grade* Standard Limit Piston skirt diameter “A” Grade No. 1 97.980 - 97.990 (3.8575 - 3.8579) — Grade No. 2 97.990 - 98.000 (3.8579 - 3.8583) — Grade No. 3 98.000 - 98.010 (3.8583 - 3.8587) — “H” dimension 39 (1.54) — Piston pin hole diameter Grade No. 0 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) PBIC0188E Items Standard Limit Side clearance Top 0.035 - 0.085 (0.0014 - 0.0033) 0.11 (0.0043) 2nd 0.030 - 0.070 (0.0012 - 0.0028) 0.10 (0.0039) Oil ring 0.015 - 0.185 (0.0006 - 0.0073) — |