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CYLINDER BLOCK EM-123 < DISASSEMBLY AND ASSEMBLY > C D E F G H I J K L M A EM N P O Measure the outer diameter of piston pin with a micrometer (A). Connecting Rod Bushing Oil Clearance (Connecting rod bushing oil clearance) = (Connecting rod bushing inner diameter) – (Piston pin outer diame- • If the calculated value exceeds the limit, replace connecting rod assembly and/or piston and piston pin assembly. • If replacing piston and piston pin assembly, refer to • If replacing connecting rod assembly, refer to to select the connecting rod bearing. Factory installed parts grading: • Service parts apply only to grade “0”. Unit: mm (in) *: After installing in connecting rod CYLINDER BLOCK DISTORTION Standard : Refer to JPBIA0218ZZ Standard and limit : Refer to A : Sample codes B : Bearing stopper groove C : Small-end diameter grade D : Big-end diameter grade E : Weight grade F : Cylinder No. G : Management code H : Front mark I : Management code JPBIA0208ZZ A : RH B : LH C : Piston pin grade number D : Piston grade number E : Front mark F : Identification code Grade 0 1 Connecting rod bushing 22.000 - 22.006 22.006 - 22.012 Piston pin hole diameter 21.993 - 21.999 21.999 - 22. 005 Piston pin outer diameter 21.989 - 21.995 21.995 - 22.001 JPBIA1212ZZ |