Honda CB125 CB160 (1972) [40/139] Refer to fig

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34 3 ENGINE II Inspection 1 Clearance of the crankshaft 6305 special ball bearing should be measured at the value obtained when the crankshaft is set on V shaped blocks and the bearing is moved up and down and to the right and left Correction limit Standard value Axîal clearance Less than 0 05 mnr 002 When over 0 1 mm 003 replacement should be made Radial clearance Within 0 01 to 0 025 mm 0004 OOI When over 0 05 mm 002 replacement should be made Fig 3 87 Measurement of axial clearance 2 Measurement of crank outer ring and left main bearing clearance Correction limit Standard value Axial clearance When over 0 05 mm 002 replacement should be made Within 0 006 to 0 014 mm 0002 0005 Fig 3 88 Measurement of radial clearance III Installation 1 The upper crankcase should be inverted and the crankshaft complete should be placed on it Guide holes of bearings should be matched and the lower crankcase should be set on the assembly is the reverse order of disassembly Refer to Fig 3 89 B Description of connecting rods The connecting rods are of molybdenum steel and have an H shaped section bushings are not at both the crank shaft and piston ends The crankshaft is polished after case hardening and mounts the roller without race The roller 4X13 is held by the roller retainer made of special aluminum alloy Staggered rollers are used in order to increase the load capacity Refer to Fig 3 90 Fig 3 90 Part of connecting rod

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