2WW ENGINE MECHANICAL SERVICE DATA

ENGINE
Engine idle speed 830 rpm
Maximum engine speed 3800 rpm
Compression Standard pressure

1600 kPa (16.3 kgf/cm2, 232 psi) or higher
Difference between each cylinder All cylinders almost same valve
CYLINDER HEAD GASKET
Cylinder head gasket Standard piston protrusion 0.420 to 0.680 mm (0.0165 to 0.0268 in.)
Piston protrusion 0.92 mm (0.00362 in.) Use 1 hole
0.92 to 1.03 mm (0.0362 to 0.0406 in.) Use 2 hole
1.03 to 1.18 mm (0.0406 to 0.0465 in.) Use 3 hole
ENGINE UNIT
Camshaft Runout 0.03 mm (0.00118 in.)
No. 2 camshaft Runout 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 Thrust clearance Standard 0.033 to 0.150mm (0.00130 to 0.00591 in.)
CYLINDER BLOCK
Connecting rod Oil clearance Standard 0.015 to 0.050 mm (0.000591 to 0.00197 in.)
Crankshaft Thrust clearance Standard 0.06 to 0.25 mm (0.00236 to 0.00984 in.)
Cylinder bore Reference value (New parts) STD 84.000 to 84.002 mm (3.30708 to 3.30716 in.)
O/S 0.25 84.250 to 84.252 mm (3.31692 to 3.31700 in.)
Piston Piston diameter STD 83.950 to 83.970 mm (3.30708 to 3.30716 in.)
O/S 0.25 84.200 to 84.220 mm (3.3149 to 3.31574 in.)
Oil clearance New piston 0.03 to 0.17 mm (0.00118 to 0.00669 in.)
Maximum More than 0.25 mm (0.00984 in.)
Piston ring Ring groove clearance No. 1 compression spring Standard 0.07 to 0.11 mm (0.00275 to 0.00435 in.)
No. 2 compression spring
End gap No. 1 compression spring Standard 0.15 to 0.25 mm (0.00590 to 0.0984 in.)
No. 2 compression spring 0.30 to 0.45 mm (0.0118 to 0.0177 in.)
Crankshaft Oil clearance Standard 0.023 to 0.054 mm (0.000906 to 0.00213 in.)
Crankshaft main journal Diameter Mark 1 Standard 54.984 to 54.990 mm (2.16472 to 2.16496 in.)
Mark 2 Standard 54.977 to 54.983 mm (2.16444 to 2.16469 in.)
Mark 3 Standard 54.971 to 54.976 mm (2.16421 to 2.16441 in.)
U/S 0.25 Mark 1 Standard 54.734 to 54.740 mm (2.15488 to 2.15511 in.)
Mark 2 Standard 54.727 to 54.733 mm (2.15460 to 2.15484 in.)
Mark 3 Standard 54.721 to 54.726 mm (2.15437 to 2.15457 in.)