1WW ENGINE MECHANICAL SERVICE DATA
Engine speed |
Standard idle speed (Reference) |
830 rpm |
Compression |
Standard pressure (Reference) |
1600 kPa (16.3 kgf/cm2, 232 psi) |
Select cylinder head gasket |
Standard piston protrusion |
0.420 to 0.680 mm (0.0165 to 0.0267 in.) |
|
New installed cylinder head gasket thickness |
1 Hole |
0.95 mm (0.0374 in.) |
|
2 Holes |
1.05 mm (0.0413 in.) |
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3 Holes |
1.15 mm (0.0452 in.) |
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Piston protrusion |
0.42 mm (0.0165 in.) |
Use 1 hole |
|
0.42 to 0.53 mm (0.0165 to 0.0208 in.) |
Use 2 holes |
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0.53 to 0.68 mm (0.0208 to 0.0267 in.) |
Use 3 holes |
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Camshaft |
Circle runout |
Maximum |
0.03 mm (0.00118 in.) |
No. 2 camshaft |
Circle runout |
Maximum |
0.03 mm (0.00118 in.) |
Intake valve |
Valve stem diameter |
Standard |
4.92 mm (0.194 in.) |
Exhaust valve |
Valve stem diameter |
Standard |
4.92 mm (0.194 in.) |
Intake valve seat |
Width |
Standard |
1.2 mm (0.0472 in.) |
Exhaust valve seat |
Width |
Standard |
1.4 mm (0.0551 in.) |
Camshaft clearance |
Thrust clearance |
Standard |
0.033 to 0.150 mm (0.00129 to 0.00590 in.) |
Cylinder bore |
Diameter |
O/S 0.25 |
78.250 to 78.252 mm (3.0807 to 3.0808 in.) |
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Standard |
78.000 to 78.002 mm (3.0708 to 3.0709 in.) |
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Piston |
Piston diameter |
O/S 0.25 |
78.200 to 78.220 mm (3.0787 to 3.0795 in.) |
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Standard |
77.950 to 77.970 mm (3.0689 to 3.0697 in.) |
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Oil clearance |
Standard |
0.03 to 0.17 mm (0.0118 to 0.00669 in.) |
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Maximum |
More than 0.25 mm (0.00984 in.) |
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Piston ring |
Ring groove clearance |
No. 1 compression ring |
Standard |
0.015 to 0.070 mm (0.00059 to 0.00276 in.) |
|
No. 2 compression ring |
Standard |
0.015 to 0.060 mm (0.00059 to 0.00236 in.) |
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Oil ring rail |
Standard |
0.04 to 0.10 mm (0.00157 to 0.00394 in.) |
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End gap |
No. 1 compression ring |
Standard |
0.20 to 0.40 mm (0.00787 to 0.0157 in.) |
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Maximum |
0.95 mm (0.0374 in.) |
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No. 2 compression ring |
Standard |
0.30 to 0.55 mm (0.0118 to 0.0217 in.) |
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Maximum |
1.06 mm (0.0417 in.) |
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Oil ring rail |
Standard |
0.10 to 0.40 mm (0.00394 to 0.0157 in.) |
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Maximum |
0.82 mm (0.0322 in.) |
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Bush inside diameter |
Standard |
26.023 to 26.031 mm (1.0245 to 1.0248 in.) |
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Crankshaft |
Thrust clearance |
Standard |
0.06 to 0.25 mm (0.00236 to 0.00984 in.) |
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Oil clearance |
Main journal |
Standard |
0.023 to 0.054 mm (0.000905 to 0.00212 in.) |
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Crank pin |
Standard |
0.015 to 0.050 mm (0.000945 to 0.00196 in.) |
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Cylinder block main bearing journal diameter |
Standard |
Mark 1 |
54.984 to 54.990 mm (2.16472 to 2.16495 in.) |
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Mark 2 |
54.977 to 54.983 mm (2.16444 to 2.16468 in.) |
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Mark 3 |
54.971 to 54.976 mm (2.16420 to 2.16440 in.) |
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U/S 0.25 |
Mark 1 |
54.734 to 54.740 mm (2.15487 to 2.15511 in.) |
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Mark 2 |
54.727 to 54.733 mm (2.15460 to 2.15483 in.) |
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Mark 3 |
54.721 to 54.726 mm (2.15436 to 2.15456 in.) |
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