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EM-142 < UNIT DISASSEMBLY AND ASSEMBLY > HOW TO SELECT PISTON AND BEARING 3. Select piston of the same grade. PISTON SELECTION TABLE Unit: mm (in) NOTE: ton pin grades can be selected. (Only “0” grade is available.) • No second grade mark is available on piston. Connecting Rod Bearing INFOID:0000000009718011 WHEN NEW CONNECTING ROD AND CRANKSHAFT ARE USED • Check pin diameter grade (“0”, “1” or “2”) on front of crankshaft, and select connecting rod bearing of the same grade. NOTE: WHEN CONNECTING ROD AND CRANKSHAFT ARE REUSED 1. Measure the connecting rod big end diameter. Refer to . 2. Check that the connecting rod big end diameter is within the standard value. 3. Measure the crankshaft pin journal diameter. Refer to 4. Determine the grade of crankshaft pin diameter grade by corresponding to the measured dimension in 5. Select connecting rod bearing of the same grade. CONNECTING ROD BEARING SELECTION TABLE Unit: mm (in) A : Piston grade number B : Front mark C : Piston pin grade number D : Identification code JPBIA2199ZZ Grade 1 2 3 Cylinder bore inner diameter 95.500 - 95.510 (3.7598 - 3.7602) 95.510 - 95.520 (3.7602 - 3.7606) 95.520 - 95.530 (3.7606 - 3.7610) Piston skirt diameter 95.480 - 95.490 (3.7590 - 3.7594) 95.490 - 95.500 (3.7594 - 3.7598) 95.500 - 95.510 (3.7598 - 3.7602) A : Journal diameter grade No. 1 B : Journal diameter grade No. 2 C : Journal diameter grade No. 3 D : Journal diameter grade No. 4 E : Pin diameter grade No. 1 F : Pin diameter grade No. 2 G : Pin diameter grade No. 3 H : Pin diameter grade No. 4 I : Pin diameter grade No. 5 J : Pin diameter grade No. 6 K : Identification JPBIA0269ZZ Connecting rod big end diameter 55.000 - 55.013 (2.1654 - 2.1659) |