RM3660EC _V1 General _080738 SPECIFICATIONS _0391435 NR Series ENGINE MECHANICAL F

SPECIFICATIONS  NR Series ENGINE MECHANICAL  SERVICE DATA  


ENGINE
Ignition timing Ignition advance function disabled by Active Test 8 to 12° BTDC at idle (Transaxle should be in neutral or park)
Ignition advance function not disabled by Active Test -5 to 25° BTDC at idle (Transaxle should be in neutral or park)
Engine idle speed 680 to 780 rpm
Compression Standard Compression Pressure 1080 kPa (11.0 kgf/cm2, 157 psi)
Minimum Compression Pressure 880 kPa (9.0 kgf/cm2, 128 psi)
Pressure Difference between Each cylinder 100 kPa (1.0 kgf/cm2, 15 psi)

FRONT CRANKSHAFT OIL SEAL
Timing chain cover oil seal Tap in depth -0.5 to 0.5 mm (-0.0197 to 0.0197 in.)

REAR CRANKSHAFT OIL SEAL
Rear engine oil seal Tap in depth -0.9 to 0.9 mm (-0.0354 to 0.0354 in.)

ENGINE UNIT
Chain sub-assembly Elongation Maximum 121.6 mm (4.79 in.)
No. 2 chain sub-assembly Elongation Maximum 107.0 mm (4.21 in.)
Camshaft timing gear assembly Gear diameter (with chain sub-assembly) Minimum 100.89 mm (3.97 in.)
Camshaft timing exhaust gear assembly Gear diameter (with chain sub-assembly) Minimum 100.89 mm (3.97 in.)
Oil pump drive gear Gear diameter (with No. 2 chain sub-assembly) Minimum 52.55 mm (2.07 in.)
Oil pump drive shaft gear Gear diameter (with No. 2 chain sub-assembly) Minimum 59.21 mm (2.33 in.)
Crankshaft timing sprocket Gear diameter (with chain sub-assembly) Minimum 55.17 mm (2.17 in.)
Chain tensioner slipper Depth Maximum 1.0 mm (0.0394 in.)
Timing chain guide Depth Maximum 1.0 mm (0.0394 in.)
Chain tensioner plate Depth Maximum 0.5 mm (0.0197 in.)
Cylinder head set bolt Diameter Standard 10.85 to 11.00 mm (0.427 to 0.433 in.)
Minimum 10.6 mm (0.417 in.)
Camshaft Runout Maximum 0.04 mm (0.00157 in.)
Cam lobe height Standard 41.699 to 41.799 mm (1.64169 to 1.64563 in.)
Minimum 41.649 mm (1.63972 in.)
Journal diameter No. 1 journal 34.449 to 34.465 mm (1.35626 to 1.35689 in.)
Other journals 22.954 to 22.970 mm (0.90370 to 0.90433 in.)
Thrust clearance Standard 0.06 to 0.20 mm (0.00236 to 0.00787 in.)
Maximum 0.25 mm (0.00984 in.)
Oil clearance No. 1 journal Standard 0.035 to 0.072 mm (0.00138 to 0.00283 in.)
Maximum 0.08 mm (0.00315 in.)
Other journals Standard 0.030 to 0.067 mm (0.00118 to 0.00264 in.)
Maximum 0.08 mm (0.00315 in.)
No. 2 camshaft Runout Maximum 0.04 mm (0.00157 in.)
Cam lobe height except Fuel Pump Assembly Standard 40.481 to 40.581 mm (1.59374 to 1.59767 in.)
Minimum 40.331 mm (1.58783 in.)
for Fuel Pump Assembly Standard 39.550 to 39.650 mm (1.55708 to 1.56102 in.)
Minimum 39.500 mm (1.55512 in.)
Journal diameter No. 1 journal 34.449 to 34.465 mm (1.35626 to 1.35689 in.)
Other journals 22.954 to 22.970 mm (0.90370 to 0.90433 in.)
Thrust clearance Standard 0.06 to 0.20 mm (0.00236 to 0.00787 in.)
Maximum 0.25 mm (0.00984 in.)
Oil clearance No. 1 journal Standard 0.035 to 0.072 mm (0.00138 to 0.00283 in.)
Maximum 0.08 mm (0.00315 in.)
Other journals Standard 0.030 to 0.067 mm (0.00118 to 0.00264 in.)
Maximum 0.08 mm (0.00315 in.)
Camshaft bearing cap setting ring pin Protrusion Standard 2.5 to 3.5 mm (0.0984 to 0.138 in.)
Ring pin for stiffening crankcase assembly Protrusion Standard 3.5 to 4.5 mm (0.138 to 0.177 in.)

CYLINDER HEAD
Cylinder head sub-assembly Warpage Bottom side Maximum 0.05 mm (0.00197 in.)
Intake manifold side 0.10 mm (0.00394 in.)
Turbocharger sub-assembly side 0.05 mm (0.00197 in.)
Intake valve Overall length Standard 103.35 mm (4.07 in.)
Minimum 103.10 mm (4.06 in.)
Valve stem diameter Standard 5.470 to 5.485 mm (0.215 to 0.216 in.)
Margin thickness Standard 1.0 mm (0.0394 in.)
Minimum 0.5 mm (0.0197 in.)
Valve seat width Standard 1.0 to 1.4 mm (0.0394 to 0.0551 in.)
Exhaust valve Overall length Standard 104.50 mm (4.11 in.)
Minimum 104.25 mm (4.10 in.)
Valve stem diameter Standard 5.465 to 5.480 mm (0.215 to 0.216 in.)
Margin thickness Standard 1.2 mm (0.0472 in.)
Minimum 0.7 mm (0.0276 in.)
Valve seat width Standard 1.0 to 1.4 mm (0.0394 to 0.0551 in)
Inner compression spring Free length Standard Intake 55.60 mm (2.19 in.)
Exhaust 59.30 mm (2.33 in.)
Angle (Reference) Maximum 2°
Intake valve guide bush Inside diameter Standard 5.510 to 5.530 mm (0.217 to 0.218 in.)
Oil clearance Standard 0.025 to 0.060 mm (0.000984 to 0.00236 in.)
Maximum 0.080 mm (0.00315 in.)
Bush bore diameter STD 10.333 to 10.344 mm (0.40681 to 0.40724 in.)
O/S 0.05 10.383 to 10.394 mm (0.40878 to 0.40921 in.)
Exhaust valve guide bush Inside diameter Standard 5.510 to 5.530 mm (0.217 to 0.218 in.)
Oil clearance Standard 0.030 to 0.065 mm (0.00118 to 0.00256 in.)
Maximum 0.085 mm (0.00335 in.)
Bush bore diameter STD 10.333 to 10.344 mm (0.40681 to 0.40724 in.)
O/S 0.05 10.383 to 10.394 mm (0.40878 to 0.40921 in.)
Ring pin Protrusion Standard 3.0 to 5.0 mm (0.118 to 0.197 in.)
Spark plug tube Protrusion Standard 87.8 mm (3.46 in.)

CYLINDER BLOCK
Connecting rod Thrust clearance Standard 0.1 to 0.5 mm (0.00394 to 0.0197 in.)
Maximum 0.5 mm (0.0197 in.)
Oil clearance Standard 0.010 to 0.036 mm (0.000394 to 0.00142 in.)
Maximum 0.036 mm (0.00142 in.)
Crankshaft Thrust clearance Standard 0.04 to 0.24 mm (0.00157 to 0.00945 in.)
Maximum 0.24 mm (0.00945 in.)
Thrust washer thickness 1.93 to 1.98 mm (0.0760 to 0.0780 in.)
Oil clearance Standard 0.012 to 0.028 mm (0.000472 to 0.00110 in.)
Maximum 0.028 mm (0.00110 in.)
Connecting rod big end inside diameter Mark 1 45.000 to 45.008 mm (1.77165 to 1.77196 in.)
Mark 2 45.009 to 45.016 mm (1.77200 to 1.77228 in.)
Mark 3 45.017 to 45.024 mm (1.77232 to 1.77259 in.)
Connecting rod bearing center wall thickness Mark 1 1.492 to 1.495 mm (0.0587 to 0.0589 in.)
Mark 2 1.496 to 1.498 mm (0.0589 to 0.0590 in.)
Mark 3 1.499 to 1.501 mm (0.0590 to 0.0591 in.)
Crankshaft pin Diameter Standard 41.992 to 42.000 mm (1.65323 to 1.65354 in.)
Cylinder block sub-assembly Journal bore diameter Mark 0 52.000 to 52.002 mm (2.04724 to 2.04732 in.)
Mark 1 52.003 to 52.004 mm (2.04736 to 2.04740 in.)
Mark 2 52.005 to 52.006 mm (2.04744 to 2.04748 in.)
Mark 3 52.007 to 52.009 mm (2.04752 to 2.04759 in.)
Mark 4 52.010 to 52.011 mm (2.04763 to 2.04767 in.)
Mark 5 52.012 to 52.013 mm (2.04771 to 2.04775 in.)
Mark 6 52.014 to 52.016 mm (2.04779 to 2.04787 in.)
Crankshaft Journal diameter Mark 0 47.999 to 48.000 mm (1.88972 to 1.88976 in.)
Mark 1 47.997 to 47.998 mm (1.88964 to 1.88968 in.)
Mark 2 47.995 to 47.996 mm (1.88956 to 1.88960 in.)
Mark 3 47.993 to 47.994 mm (1.88948 to 1.88952 in.)
Mark 4 47.991 to 47.992 mm (1.88941 to 1.88945 in.)
Mark 5 47.988 to 47.990 mm (1.88929 to 1.88937 in.)
Crankshaft bearing Center wall thickness Mark 1 1.991 to 1.994 mm (0.07839 to 0.07850 in.)
Mark 2 1.995 to 1.997 mm (0.07854 to 0.07862 in.)
Mark 3 1.998 to 2.000 mm (0.07866 to 0.07874 in.)
Mark 4 2.001 to 2.003 mm (0.07878 to 0.07886 in.)
Cylinder block sub-assembly Warpage Maximum 0.05 mm (0.00197 in.)
Cylinder bore Diameter Reference (new parts) 71.500 to 71.513 mm (2.81496 to 2.81547 in.)
Maximum 71.63 mm (2.82007 in.)
Piston Diameter Reference (new parts) 71.482 to 71.514 mm (2.81 to 2.82 in.)
Oil clearance Reference (new parts) -0.006 to 0.037 mm (-0.000236 to 0.00146 in.)
Maximum 0.08 mm (0.00315 in.)
Piston ring Ring groove clearance No. 1 Compression Ring 0.02 to 0.06 mm (0.000787 to 0.00236 in.)
No. 2 Compression Ring 0.02 to 0.06 mm (0.000787 to 0.00236 in.)
Oil Ring 0.07 to 0.13 mm (0.00276 to 0.00512 in.)
End gap No. 1 Compression Ring Standard 0.18 to 0.22 mm (0.00709 to 0.00866 in.)
Maximum 0.43 mm (0.0169 in.)
No. 2 Compression Ring Standard 0.50 to 0.60 mm (0.0197 to 0.0236 in.)
Maximum 0.80 mm (0.0315 in.)
Oil Ring Standard 0.10 to 0.35 mm (0.00394 to 0.0138 in.)
Maximum 0.55 mm (0.0217 in.)
Piston pin Bore diameter Mark A 20.006 to 20.009 mm (0.78764 to 0.78775 in.)
Mark B 20.010 to 20.012 mm (0.78779 to 0.78787 in.)
Mark C 20.013 to 20.015 mm (0.78791 to 0.78799 in.)
Diameter Mark A 20.004 to 20.007 mm (0.78756 to 0.78768 in.)
Mark B 20.008 to 20.010 mm (0.78771 to 0.78779 in.)
Mark C 20.011 to 20.013 mm (0.78783 to 0.78791 in.)
Connecting rod small end bore Diameter Standard 20.012 to 20.021 mm (0.78787 to 0.78823 in.)
Mark A 20.012 to 20.015 mm (0.78787 to 0.78799 in.)
Mark B 20.016 to 20.018 mm (0.78803 to 0.78811 in.)
Mark C 20.019 to 20.021 mm (0.78815 to 0.78823 in.)
Piston pin Piston side Oil clearance Standard -0.001 to 0.005 mm (-0.0000394 to 0.000197 in.)
Maximum 0.008 mm (0.00031 in.)
Connecting rod side Oil clearance Standard -0.001 to 0.005 mm (-0.0000394 to 0.000197 in.)
Maximum 0.08 mm (0.00315 in.)
Connecting rod bolt Diameter Standard 6.86 to 7.00 mm (0.270 to 0.276 in.)
Difference between (A) and (B) 0.15 mm (0.00591 in.) or less
Crankshaft Runout Maximum 0.015 mm (0.000591 in.)
Main journal diameter Standard 47.988 to 48.000 mm (1.88929 to 1.88976 in.)
Main journal taper and out-of-round Maximum 0.02 mm (0.000787 in.)
Crank pin diameter Standard 41.992 to 42.000 mm (1.65323 to 1.65354 in.)
Crank pin taper and out-of-round Maximum 0.02 mm (0.000787 in.)
Crankshaft bearing cap set bolt Length Standard 84.3 to 85.7 mm (3.32 to 3.37 in.)
Maximum 86.7 mm (3.41 in.)
Diameter Standard 9.77 to 9.96 mm (0.385 to 0.392 in.)
Minimum 9.1 mm (0.358 in.)
Ring pin Protrusion Standard 6.5 to 7.5 mm (0.256 to 0.295 in.)
Straight pin (A) Protrusion Standard 18.5 to 19.5 mm (0.728 to 0.768 in.)
(B) 5.5 to 6.5 mm (0.217 to 0.256 in.)
(C) 11.5 to 12.5 mm (0.453 to 0.492 in.)
(D) 8.0 to 10.0 mm (0.315 to 0.394 in.)
Crankshaft lower bearing Difference between (A) and (B) Standard 0.7 mm (0.0276 in.) or less
Connecting rod bearing Difference between (A) and (B) Standard 0.5 mm (0.0197 in.) or less