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nsxb03003a.pdf

Engine Block — Section 7
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— Engine Block — Section 7
Unit o( length: mm (in).
MEASUREMENT STANDARD (NEW) SERVICE LIMIT
Cylinder block Warpage o( deck surface 0.07 (0.003) max. 0.10 (0.004)
Bore diameter A or I 90010-330020 (35437—35441) 90.07 (3.546)
B or rI 90000-90010 (3454334345437) 90.07 (3.546)
Bore taper — 0.05 (0.002)
Reboring limit — 0.5 (002)
Piston Skirt O.D. at 17 mm (0.67 in) from NO LETTER (A) 89.986-90004 (3.5427-3.5435) 89.97 (3.5421)
bottom of skirt B 89.97689994 (35424-35431) 89.96 (3.5417)
Clearance In cylinder — 0.0825 (0.0032)
Groove width (for ring) Top 1,224.23 (0048000484) 1.25 (0.0492)
Second 1.22-1.23 (00480—00484) 1.25 (0.0492)
Oil 2805—2820 (0.1104-0.1110) 2.84 (0.1118)
Connecting rod End play installed on crankshaft (MS-0.30 (0006-0012) 0.40 (0.016)
Piston ring Ring-to-groove clearance Top 0030-0055 (0001-0002) 0.13 (0.005)
Second 0030-0055 (ODM-0.002) 0.13 (0.005)
Ring end gap Top 0.250.40 (0010-0016) 0.60 (0.024)
Second 0.35-0.50 (0014-0020) 0.75 (0030)
Oil 0.200.70 (0008-0028) 0.80 (0.031)
Crankshaft Main journal diameter 63.976-64000 (25187—25197) r
Journal taper 0.005 (0.0002) max. 0.010 (0.0004)
Rod journal diameter 49.976—50000 (1 .9676~1 .9685) −
Journal out-of-round 0.004 (0.0002) max. 0.006 (0.0002)
End play OJO-0.35 (0004-0014) 0.45 (0.018)
Runout 0.015 (0.0006) max. 0.03 (0.001)
Bearings Main bearing-to-journal oil clearance 0024-0048 (0.0009-00019) 0.050 (0.0020)
Rod bearing-to-journal oil clearance 0040-0060 (QUOIS-0.0024) 0.060 (0.0024)
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