2WW ENGINE MECHANICAL SERVICE DATA

ENGINE
Engine speed

Standard idle speed

(Reference)

830 rpm
Compression

Standard pressure

(Reference)

1600 kPa (16.3 kgf/cm2, 232 psi)

CYLINDER HEAD GASKET
Select cylinder head gasket Standard piston protrusion 0.92 to 1.18 mm (0.0362 to 0.0465 in.)
Piston protrusion 0.92 mm (0.0362 in.) Use 1 hole
0.92 to 1.03 mm (0.0362 to 0.0406 in.) Use 2 holes
1.03 to 1.18 mm (0.0406 to 0.0465 in.) Use 3 holes
ENGINE UNIT
Camshaft Circle runout Maximum 0.03 mm (0.00118 in.)
No. 2 camshaft Circle runout Maximum 0.03 mm (0.00118 in.)
CYLINDER HEAD
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 BLOCK
Cylinder bore Diameter O/S 0.25 84.250 to 84.252 mm (3.31692 to 3.31700 in.)
Standard 84.000 to 84.002 mm (3.30708 to 3.30716 in.)
Piston Piston diameter O/S 0.25 84.200 to 84.220 mm (3.3149 to 3.31574 in.)
Standard 83.950 to 83.970 mm (3.3051 to 3.3058 in.)
Oil clearance Standard 0.03 to 0.17 mm (0.0118 to 0.00669 in.)
Maximum More than 0.25 mm (0.00984 in.)
Piston ring Ring groove clearance No. 1 compression ring Standard 0.07 to 0.11 mm (0.00275 to 0.00433 in.)
No. 2 compression ring
End gap No. 1 compression ring Standard 0.15 to 0.25 mm (0.00590 to 0.0984 in.)
No. 2 compression ring Standard 0.30 to 0.45 mm (0.0118 to 0.0177 in.)
Bush inside diameter Standard 26.023 to 26.031 mm (1.0245 to 1.0248 in.)
Crankshaft Thrust clearance Standard 0.06 to 0.25 mm (0.00236 to 0.00984 in.)
Oil clearance Main journal Standard 0.023 to 0.054 mm (0.000905 to 0.00212 in.)
Crank pin Standard 0.015 to 0.050 mm (0.000945 to 0.00196 in.)
Cylinder block main bearing journal diameter Standard Mark 1 54.984 to 54.990 mm (2.16472 to 2.16495 in.)
Mark 2 54.977 to 54.983 mm (2.16444 to 2.16468 in.)
Mark 3 54.971 to 54.976 mm (2.16420 to 2.16440 in.)
U/S 0.25 Mark 1 54.734 to 54.740 mm (2.15487 to 2.15511 in.)
Mark 2 54.727 to 54.733 mm (2.15460 to 2.15483 in.)
Mark 3 54.721 to 54.726 mm (2.15436 to 2.15456 in.)