2-4
Parts
Item
Standard
Service limit
Pistons
Ring groove width
Top
1.23 – 1.24 (0.0484 – 0.0488)
1.25 (0.0492)
Second
1.24 – 1.25 (0.0488 – 0.0492)
1.25 (0.0492)
Oil
2.005 – 2.025 (0.0789 – 0.0797)
2.05 (0.081)
Piston pins
Pin O.D.
21.961 – 21.965 (0.8646 – 0.8648)
21.953 (0.8643)
Pin-to-pin bore clearance
–0.005 – +0.002 (–0.0002 – +0.0001)
0.005 (0.0002)
Piston rings
Ring side clearance
Top
0.045 – 0.070 (0.0018 – 0.0028)
0.13 (0.005)
Second
0.040 – 0.065 (0.0016 – 0.0026)
0.13 (0.005)
Ring end gap
Top
0.20 – 0.35 (0.008 – 0.014)
0.6 (0.02)
Second
0.50 – 0.65 (0.020 – 0.026)
0.75 (0.030)
Oil
0.20 – 0.70 (0.008 – 0.028)
0.8 (0.031)
Ring thickness
Top
1.170 – 1.185 (0.0461 – 0.0467)
–
Second
1.175 – 1.190 (0.0463 – 0.0469)
–
Cylinder head
Warpage
–
0.05 (0.002) Min.
Camshaft journal I.D.
29.000 – 29.024 (1.1417 – 1.1427)
–
Head height
103.95 – 104.05 (4.093 – 4.096)
–
Cylinder block
Cylinder sleeve I.D.
A or I
87.01 – 87.02 (3.4256 – 3.4260)
87.07 (3.4279)
B or II
87.00 – 87.01 (3.4252 – 3.4256)
87.07 (3.4279)
Gap between upper and lower points –
–
0.05 (0.002)
of sleeve I.D.
Warpage
0.07 (0.003) Max.
0.10 (0.004)
Connecting
Small end I.D.
23.969 – 23.982 (0.9437 – 0.9442)
–
rods
Small end-to-piston pin clearance
0.005 – 0.015 (0.0002 – 0.0006)
0.02 (0.001)
Big end axial clearance
0.15 – 0.35 (0.006 – 0.014)
0.4 (0.02)
Connecting rod bearing oil clearance
0.032 – 0.066 (0.0013 – 0.0026)
0.077 (0.0030)
Crankshaft
Journal O.D.
Main
No. 1, 2, 4, 5
54.984 – 54.992 (2.1647 – 2.1650)
–
No. 3
54.976 – 55.000 (2.1644 – 2.1654)
–
Pin
47.976 – 48.000 (1.8888 – 1.8898)
–
Journal cylindricity
0.005 (0.0002) Max.
0.010 (0.0004)
Journal roundness
0.005 (0.0002) Max.
0.010 (0.0004)
Crankshaft runout
0.03 (0.001) Max.
0.04 (0.002)
Crankshaft axial clearance
0.10 – 0.35 (0.004 – 0.014)
0.45 (0.018)
Main bearing oil clearance
No. 1, 2, 4, 5
0.017 – 0.041 (0.0007 – 0.0016)
0.05 (0.002)
No. 3
0.025 – 0.049 (0.0010 – 0.0019)
0.055 (0.0022)
Thrust metal side clearance
0.10 – 0.35 (0.004 – 0.014)
0.45 (0.018)
Unit: mm (in)
