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SERVICE DATA AND SPECIFICATIONS (SDS) EM-281 < SERVICE DATA AND SPECIFICATIONS (SDS) [QR25DE] C D E F G H I J K L M A EM N P O Unit: mm (in) PISTON RING Unit: mm (in) PISTON PIN Unit: mm (in) CONNECTING ROD Unit: mm (in) Piston skirt diameter “A” Standard Grade No. 2 88.990 - 89.000 (3.5035 - 3.5039) Grade No. 3 89.000 - 89.010 (3.5039 - 3.5043) Oversize (Service) [0.20 (0.008)] 89.180 - 89.210 (3.5110 - 3.5122) Piston height “H” dimension 37.5 (1.476) Piston pin hole diameter Grade No. 0 19.993 - 19.999 (0.7871 - 0.7874) Grade No. 1 19.999 - 20.005 (0.7874 - 0.7876) Piston to cylinder bore clearance Standard 0.010 - 0.030 (0.0004 - 0.0012) Limit 0.08 (0.0031) PBIC0188E 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) 0.1 (0.004) Oil ring 0.045 - 0.125 (0.0018 - 0.0049) — End gap Top 0.21 - 0.31 (0.0083 - 0.0122) 0.53 (0.0209) 2nd 0.37 - 0.52 (0.0146 - 0.0205) 0.71 (0.0280) Oil (rail ring) 0.20 - 0.45 (0.008 - 0.0177) 0.80 (0.0314) Items Standard Limit Piston pin outer diameter Grade No. 0 19.989 - 19.995 (0.7870 - 0.7872) — Grade No. 1 19.995 - 20.001 (0.7872 - 0.7874) — Piston to piston pin oil clearance 0.002 - 0.006 (0.0001 - 0.0002) — Connecting rod bushing oil clearance 0.005 - 0.017 (0.0002 - 0.0007) 0.030 (0.0012) Center distance 143.00 – 143.10 (5.63 – 5.63) Bend [per 100 (3.94)] Limit 0.15 (0.0059) Torsion [per 100 (3.94)] Limit 0.3 (0.012) Connecting rod small end inner diameter 22.000 - 22.012 (0.7874 - 0.7879) Connecting rod bushing inner diameter* Grade No. 0 20.000 – 20.006 (0.7874 – 0.7876) Grade No. 1 20.006 – 20.012 (0.7876 – 0.7879) Connecting rod big end inner diameter 48.000 - 48.013 (1.8898 - 1.8903) |