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Standards and Service Limits
Cylinder Head/Valve Train (B18Bl engine)Section 6
*: Measured between the camshaft and rocker arm.
NH: NIHON HATSUJO manufactured valve spring
CH: CHUO HATSUJO manufactured valve spring
MEASUREMENTSTANDARD (NEW) I SERVICE LIMIT
Compression250 rpm and wide open throttle Minimum
kPa (kgf/cm' , psi) Maximum variation930 (9.5, 135)200 Q.0,281
Cylinder headWarpageHeightta,|* - 132.05 (5.195 - 5.199)0.05 (0.002)
CamshaftEnd playCamshaft-to-holder oil clearanceTotal runoutCam lobe height lNEX
0.05 - 0.15 (0.002 - 0.006)0.030 - 0.069 (0.0012 - 0.0027)0.03 (0.001) max.33.7 16 11.327 4l33.528 ( 1.3200)
0.5 (0.02)
0.15 (0.006)
0.04 (0.002)
ValveValve clearance (Cold)" lNEX
Valve stem O.D. lNEX
Stem-to-guide clearance lNEX
0.08 - 0.12 (0.003 - 0.005)0.16 - 0.20 (0.006 - 0.00816.580 - 6.590 (0.2591 - 0.2594)6.550 - 6.560 (0.2579 - 0.2583)
0.02 - 0.05 (0.001 - 0.002)0.05 - 0.08 (0.002 - 0.003)
ouu to.rutt6.52 rc.2571.0.08 (0.003)
0.1 1 (0.004)
Valve seatwidth lNEX
stem installed height lNEX
1 .25 - 1.55 (0.049 - 0.061 )1.25 - 1 .55 (0.049 - 0.061 )40.765 - 41.235 (1.6049 - 1.6234142J65 - 43.235 (1.6837 - 1.70221
2.0 (0.08)
2.0 (0.08)
41.485 (1.6333)
43.485 (1.71201
Valve springFree length (Reference)IN NHCHEX
41.27 (1.6251
41.28 (1.625)
44.32 t1-7 451
Valve guidet.D. lNEX
Installed height lNEX
6.61 - 6.63 (0.260 - 0.261)6.61 - 6.63 (0.260 - 0.261)13.7 5 - 1 4.25 (0.541 - 0.561 )15.75 - 16.25 (0.620 - 0.640)
6.6s (0.262)
6.65 (0.262)
Engine Block (81881 engine)Section 7Unit of length: mm (in)
3-3
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Yl
R: RIKEN manufactured piston ringT: TEIKOKU PISTON RING manufactured piston ring
E' - Declror
MEASUREMENTSTANDARD (NEW}SERVICE LIMITCylinder blockWarpage of deck surfaceBore diameterBore taperReboring limit
0.07 (0.003) max.81.00 - 81.02 (3.189 - 3.190)0.10 (0.004)
81.07(3.192)0.05 (0.002)
0.25 (0.010)PistonSkirt O.D. at 15 mm (0.6 in) from bottom of skirtClearance in cylinderGroove width (For ring) TopSecondoil
80.98 - 80.99 (3. 1 88 - 3. 1 89)0.01 - 0.04 (0.0004 - 0.0016)1 .030 - 1.040 (0.0406 - 0.0409)1.230 - 1.240 (0.0484 - 0.0488)2.805 - 2.820 (0.1 104 - 0. 1 1 10)
80.97 (3.188)
0.05 (0.002)1.06 (0.042)
1.26 (0.050)
2.84 (0.112!.Piston ringRing-to-groove clearance TopSecond RT
0.045 - 0.070 (0.0018 - 0.0028)0.040 - 0.065 (0.0016 - 0.0026)0.045 - 0.070 (0.0018 - 0.0028)
0.13 (0.0051
0.13 (0.005)
0.13 (0.005)
Ring end gap Top
Secondoil
HT
RT
0.20 - 0.35 (0.008 - 0.014)0.20 - 0.30 (0.008 - 0.012)0.40 - 0.55 (0.016 - 0.022)0.20 - 0.50 (0.008 - 0.020)0.20 - 0.45 (0.008 - 0.018)
0.60 (0.024)
0.60 (0.024)
0.70 (0.028)
0.70 (0.028)
0.70 (0.028)Piston Pino.D.Pin-to-piston clearance20.994 - 21.000 (0.8265 - 0.8268)0.010 - 0.022 (0.0004 - 0.0009)Connecting rodPin-to-rod interferenceSmall end bore diameterLarge end bore diameter NominalEnd play installed on crankshaft
0.013 - 0.032 (0.0005 - 0.0013)20.968 - 20.981 (0.8255 - 0.8260)48.0 (1 .89)0.15 - 0.30 (0.006 - 0.012)0.40 (0.016)CrankshaftMain journal diameterNo. 1, 2, 4 and 5 journalsNo. 3 journalRod journal diameterTaperOut-of-roundEnd playRunout
54.976 - 55.000 (2.1644 - 2.1654)54.970 - 54-994 (2.1642 - 2.1651144.976- 45.000 (1.7707 - 1.771710.005 (0.00021 max.0.005 (0.0002) max.0.10 - 0.35 (0.004 - 0.014)0.03 (0.001) max.
0.010 (0.0004)0.010 (0.0004)
0.45 (0.018)
0.05 (0.002)Bea ringMain bearing-to-journal oil crearanceNo. 1, 2, 4 and 5 journalsNo. 3 journalRod bearing-to-journal oil crearance
0.024 - 0.042 (0.0009 - 0.0017)0.030 - 0.048 (0.0012 - 0.0019)0.020 - 0.038 (0.0008 - 0.0015)
0.050 (0.0020)
0.060 (0.0024)0.0s0 (0.0020)
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