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Engine Mechanical (Except Wrx): Specifications Subaru XV GP

Mechanical 9 illustrations ~337 words

SPECIFICATION

EngineModel2.0 L
Cylinder arrangementHorizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline engine
Valve system mechanismChain driven, double overhead camshaft, 4-valve/cylinder
Bore x StrokeMm (in)84.0 x 90.0 (3.31 x 3.54)
DisplacementCm 3 (cu in)1, 995 (121.73)
Compression ratio10.5
Compression pressure (at 200 - 300 rpm)KPa (kg/cm 2 , psi)Standard1, 050 - 1, 400 (11 - 14, 152 - 203)
Number of piston ringsCompression ring: 2 Oil ring: 1
Intake valve timingOpenMax. retardAT D C 25°
Min. advanceBTDC 43°
CloseMax. retardABDC 85°
Min. advanceABDC 17°
Exhaust valve timingOpenMax. retardABDC 3°
Min. advanceBBDC 52°
CloseMax. retardATDC 47°
Min. advanceBTDC 8°
Cam clearanceMm (in)IntakeStandard0.13±0.03 (0.0051±0.0012)
ExhaustStandard0.24±0.03 (0.0094±0.0012)
Idle speed (For CVT model, select lever in "P" or "N" range. For MT model, gear shift lever in neutral position.)RpmNo loadStandard650±50
A/C ONStandard800 - 900±50
Ignition order1 --> 3 --> 2 --> 4
Ignition timingBTDC/rpmStandard16°±10°/650
CamshaftBendingMm (in)Limit0.020 (0.00079)
Cam lobe heightMm (in)IntakeStandard40.77 - 40.87 (1.605 - 1.609)
ExhaustStandard40.15 - 40.25 (1.581 - 1.585)
Cam base circle diameterMm (in)Standard34.0 (1.339)
Journal outer diameterMm (in)Standard25.946 - 25.963 (1.0215 - 1.0222)
Thrust clearanceMm (in)Standard0.068 - 0.116 (0.0027 - 0.0047)
Oil clearanceMm (in)Standard0.037 - 0.072 (0.0015 - 0.0028)
Cylinder headWarpage (mating surface with cylinder block)Mm (in)Limit0.035 (0.0014)
Grinding limitMm (in)To 98.4 (3.874)
HeightMm (in)Standard98.5 (3.878)
Valve & valve guideValve overall lengthMm (in)Intake103.3 (4.067)
Exhaust94.1 (3.705)
Valve head edge thicknessMm (in)IntakeStandard0.8 - 1.2 (0.031 - 0.047)
ExhaustStandard1.0 - 1.4 (0.039 - 0.055)
Valve stem outer diameterMm (in)IntakeStandard5.455 - 5.470 (0.2148 - 0.2154)
ExhaustStandard5.445 - 5.460 (0.2144 - 0.2150)
Valve guide inner diameterMm (in)Standard5.500 - 5.512 (0.2165 - 0.2170)
Clearance between valve and valve guideMm (in)IntakeStandard0.030 - 0.057 (0.0012 - 0.0022)
ExhaustStandard0.040 - 0.067 (0.0016 - 0.0026)
Valve guide protrusion amountMm (in)Standard11.4 - 11.8 (0.449 - 0.465)
Valve & valve shimValve stem end outer diameterMm (in)IntakeStandard5.455 - 5.470 (0.2148 - 0.2154)
ExhaustStandard5.445 - 5.460 (0.2144 - 0.2150)
Valve shim inner diameterMm (in)Standard5.500 - 5.560 (0.2165 - 0.2189)
Clearance between valve and valve shimMm (in)Standard0.030 - 0.115 (0.0012 - 0.0045)
Valve seatSeating width between valve and valve seatMm (in)IntakeStandard0.8 - 1.6 (0.031 - 0.063)
ExhaustStandard1.1 - 1.7 (0.043 - 0.067)
Seating angle between valve and valve seat90°
Seating position between valve and valve seatValve face center
Valve springFree lengthMm (in)Standard41.06 (1.617)
Tension/spring heightN (kgf, lb)/mm (in)SetStandard182 - 210 (18.56 - 21.41, 40.92 - 47.22)/33.0 (1.299)
LiftStandard552 - 610 (56.29 - 62.20, 124.11 - 137.15)/22.0 (0.866)
SquarenessStandard2.5°, 1.8 mm (0.071 in) or less
Cylinder block & pistonCylinder block warpage (Mating surface with cylinder head)Mm (in)Limit0.025 (0.00098)
Grinding limit of cylinder blockMm (in)To 204.9 (8.067)
Height of cylinder blockMm (in)Standard205.0 (8.071)
Inner diameter of cylinder linerMm (in)Cylinder bore size mark AStandard84.005 - 84.015 (3.3073 - 3.3077)
Cylinder bore size mark BStandard83.995 - 84.005 (3.3069 - 3.3073)
Cylindricality of cylinder linerMm (in)Limit0.015 (0.0006)
Out-of-roundness of cylinder linerMm (in)Limit0.010 (0.0004)
Piston grade pointMm (in)38.0 (1.50)
Piston outer diameterMm (in)Standard SizeGrade AStandard83.975 - 83.985 (3.3061 - 3.3065)
Grade BStandard83.965 - 83.975 (3.3057 - 3.3061)
0.25 (0.0098) OSStandard84.215 - 84.235 (3.3155 - 3.3163)
0.50 (0.0197) OSStandard84.465 - 84.485 (3.3254 - 3.3262)
Clearance between cylinder liner and pistonMm (in)Standard0.020 - 0.040 (0.00079 - 0.00157)
Inner diameter of cylinder liner boring limit (diameter)Mm (in)To 84.505 (3.3270)
Piston and piston pinDegree of fitPiston pin must be fitted into position with thumb at 20°C (68°F).
Clearance between piston and piston pinMm (in)Standard0.004 - 0.008 (0.0002 - 0.0003)
Piston ringClosed gapMm (in)Compression ringTop ringStandard0.20 - 0.35 (0.0079 - 0.0138)
Second ringStandard0.40 - 0.50 (0.0157 - 0.0197)
Oil ring (upper rail and lower rail)Standard0.20 - 0.50 (0.0079 - 0.0197)
Clearance between compression ring and pistonMm (in)Top ringStandard0.040 - 0.080 (0.0016 - 0.0031)
Second ringStandard0.030 - 0.070 (0.0012 - 0.0028)
Connecting rod and connecting rod bearingBend or twist per 100 mm (3.94 in) in lengthMm (in)Limit0.10 (0.0039)
Thrust clearanceMm (in)Standard0.070 - 0.330 (0.0028 - 0.0130)
Connecting rod bearing thickness (at center)Mm (in)Standard sizeStandard1.492 - 1.508 (0.0587 - 0.0594)
0.03 (0.0012) USStandard1.511 - 1.515 (0.0595 - 0.0596)
0.05 (0.0020) USStandard1.521 - 1.525 (0.0599 - 0.0600)
0.25 (0.0098) USStandard1.621 - 1.625 (0.0638 - 0.0640)
Oil clearanceMm (in)Standard0.017 - 0.047 (0.0007 - 0.0019)
Piston pin & connecting rod bushingClearance between piston pin and connecting rod bushingMm (in)Standard0.004 - 0.026 (0.0002 - 0.0010)
Crankshaft and crankshaft bearingBendingMm (in)Limit0.035 (0.0014)
Crankshaft pinCylindricalityMm (in)Limit0.006 (0.0002)
Out-of-roundnessMm (in)Limit0.005 (0.0002)
Grinding limit (dia.)Mm (in)To 47.726 (1.8790)
Crankshaft journalCylindricalityMm (in)Limit0.006 (0.0002)
Out-of-roundnessMm (in)Limit0.005 (0.0002)
Grinding limit (dia.)Mm (in)To 67.735 (2.6667)
Crankshaft pin outer diameterMm (in)Standard sizeStandard47.976 - 48.000 (1.8888 - 1.8898)
0.03 (0.0012) USStandard47.946 - 47.970 (1.8876 - 1.8886)
0.05 (0.0020) USStandard47.926 - 47.950 (1.8868 - 1.8878)
0.25 (0.0098) USStandard47.726 - 47.750 (1.8790 - 1.8799)
Crankshaft journal outer diameterMm (in)Standard sizeStandard67.985 - 68.009 (2.6766 - 2.6775)
0.03 (0.0012) USStandard67.955 - 67.979 (2.6754 - 2.6763)
0.05 (0.0020) USStandard67.935 - 67.959 (2.6746 - 2.6755)
0.25 (0.0098) USStandard67.735 - 67.759 (2.6667 - 2.6677)
Crankshaft bearing thickness (at center)Mm (in)#1, #2, #3, #4Standard sizeStandard2.495 - 2.513 (0.0982 - 0.0989)
0.03 (0.0012) USStandard2.519 - 2.522 (0.0992 - 0.0993)
0.05 (0.0020) USStandard2.529 - 2.532 (0.0996 - 0.0997)
0.25 (0.0098) USStandard2.629 - 2.632 (0.1035 - 0.1036)
#5Standard sizeStandard2.493 - 2.511 (0.0981 - 0.0989)
0.03 (0.0012) USStandard2.517 - 2.520 (0.0991 - 0.0992)
0.05 (0.0020) USStandard2.527 - 2.530 (0.0995 - 0.0996)
0.25 (0.0098) USStandard2.627 - 2.630 (0.1034 - 0.1035)
Thrust clearanceMm (in)Standard0.130 - 0.308 (0.00512 - 0.01213)
Oil clearanceMm (in)Standard0.013 - 0.031 (0.00051 - 0.00122)
NOTE: OS: Oversize US: Undersize
NOTE
OS: Oversize US: Undersize

Scheme 44

Scheme 44: TIMING CHAIN

Tightening torque: N.m (kgf-m, ft-lb)

T1: 6.4 (0.7, 4.7)

T2: 18 (1.8, 13.3)

Scheme 45

Scheme 45: CHAIN COVER

Tightening torque: N.m (kgf-m, ft-lb)

T1: 6.4 (0.7, 4.7)

T2: 18 (1.8, 13.3)

T3: 45 (4.6, 33.2)

T4: < Refer to INSTALLATION, Crank Pulley. >

T5: < Refer to INSTALLATION, Chain Cover. >

Scheme 46

Scheme 46: CYLINDER HEAD AND CAMSHAFT

Tightening torque: N.m (kgf-m, ft-lb)

T1: < Refer to INSTALLATION, Cylinder Head. >

T2: < Refer to INSTALLATION, Cam Carrier. >

T3: < Refer to ASSEMBLY, Cam Carrier. >

T4: < Refer to INSTALLATION, Rocker Cover. >

Scheme 47

Scheme 47: VALVE ASSY

Scheme 48

Scheme 48: CYLINDER BLOCK 1

Tightening torque: N.m (kgf-m, ft-lb)

T1: 6.4 (0.7, 4.7)

T2: 10 (1.0, 7.4)

T3: 21 (2.1, 15.5)

T4: 25 (2.5, 18.4)

T5: 41.7 (4.3, 30.8)

T6: < Refer to ASSEMBLY, Cylinder Block. >

T7: < Refer to INSTALLATION, Cylinder Block. >

T8: < Refer to INSTALLATION, Oil Pan and Strainer. >

Scheme 49

Scheme 49: CYLINDER BLOCK 2

Tightening torque: N.m (kgf-m, ft-lb)

T: < Refer to INSTALLATION, Cylinder Block. >

Scheme 50

Scheme 50: CRANKSHAFT AND PISTON

Tightening torque: N.m (kgf-m, ft-lb)

T1: < Refer to INSTALLATION, Cylinder Block. >

T2: < Refer to INSTALLATION, Drive Plate. >

T3: < Refer to INSTALLATION, Flywheel. >

Scheme 51

Scheme 51: ENGINE MOUNTING

Scheme 52

Scheme 52
  1. CVT model Tightening torque: N.m (kgf-m, ft-lb) T1: 35 (3.6, 25.8) T2: 45 (4.6, 33.2)
  2. MT model Tightening torque: N.m (kgf-m, ft-lb) T1: 35 (3.6, 25.8) T2: 42 (4.3, 31.0) T3: 45 (4.6, 33.2)

Refer to "Cylinder Head" for removal and installation procedures of the intake and exhaust valves. < Refer to REMOVAL, Cylinder Head. > < Refer to INSTALLATION, Cylinder Head. >

Refer to "Cylinder Block" for removal and installation procedures of pistons. < Refer to REMOVAL, Cylinder Block. > < Refer to INSTALLATION, Cylinder Block. >

Refer to PISTON AND CONNECTING ROD for removal and installation procedures of connecting rod.

Refer to "Cylinder Block" for removal and installation procedures of the crankshaft. < Refer to REMOVAL, Cylinder Block. > < Refer to INSTALLATION, Cylinder Block. >