System Specifications
SPECIFICATIONSCamshaft
Drive mechanism Cogged type belt
Cam height intake 35.098 - 35.298 mm (1.3818 - 1.3897 inch)
Cam height exhaust 34.81 - 35.01 mm (1.3705 - 1.3783 inch)
Journal diameter 25.951 - 25.970 mm (1.0220 - 1.0224 inch)
Bearing oil clearance 0.05- 0.09 mm (0.0007 - 0.0024 inch)
End play 0.1- 0.15 mm (0.0039 - 0.0059 inch)
Cylinder head
Flatness of gasket surface Max. 0.03 mm (0.0012 inch)
Flatness of mounting Surface
Intake Max. 0.5 mm (0.0197 inch)
Exhaust Max. 0.15 mm (0.0059 inch)
Valve guide hole diameter
0.05 (0.002) O.S. 12.05 - 12.068 mm (0.474 - 0.475 inch)
0.25 (0.010) O.S. 12.25 - 12.268 mm (0.482 - 0.483 inch)
0.50 (0.20) O.S. 12.50 - 12.518 mm (0.492 - 0.493 inch)
Intake valve seat ring hole diameter
0.3 (0.012) O.S. 36.30 - 36.325 mm (1.429 - 1.430 inch)
0.6 (0.024) O.S. 36.60 - 36.625 mm (1.441 - 1.442 inch)
Exhaust valve seat ring hole diameter
0.3 (0.012) O.S. 33.30 - 33.325 mm (1.311 - 1.312 inch)
0.6 (0.024) O.S. 33.60 - 33.625 mm (1.323 - 1.324 inch)
Valve
Overall length
Intake
Specification 106.28 mm (4.184 inch)
Limit 105.78 mm (4.165 inch)
Exhaust
Specification 105.4 mm (4.150 inch)
Limit 104.9 mm (4.129 inch)
Stem diameter
Intake 6.565 - 6.580 mm (0.258 - 0.259 inch)
Exhaust 6.530 - 6.550 mm (0.257 - 0.258 inch)
Face angle 45° - 45.5°
Margin
Intake
Specification 1.0 mm (0.0394 inch)
Limit 0.5 mm (0.0197 inch)
Exhaust
Specification 1.5 mm (0.059 inch)
Limit 1.0 mm (0.0394 inch)
Clearance (stem - to - guide)
Intake
Specification 0.02 - 0.05 mm (0.0009 - 0.0020 inch)
Limit 0.1 mm (0.0039 inch)
Exhaust
Specification 0.05 - 0.085 mm (0.0020 - 0.0033 inch)
Limit 0.15 mm (0.0059 inch)
Valve spring
Free height
Specification 46.4 mm (1.8268 inch)
Limit 45.4 mm (1.7874 inch)
Lode 24.0 kgs /37.9 mm (53 lbs./1.492 inch)
Out of squareness
Specification Max 2°
Limit 4°
Valve guide
Length
Intake 45.5 mm (1.7913 inch)
Exhaust 50.5 mm (1.9882 inch)
Service oversize 0.05, 0.25, 0.50
Valve seat contact width
Intake 0.9 - 1.3 mm (0.035 - 0.051 inch)
Exhaust 0.9 - 1.3 mm (0.035 - 0.051 inch)
Service oversize 0.30, 0.60
Seat angle
Intake 20°
Exhaust 45°
TIGHTENING TORQUE
Cylinder head cover bolts 7.8-9.8 Nm (80-100 kg-cm, 5.8-7.2 ft. lbs.)
Cylinder Head Bolt Tightening Sequence:
Cylinder head bolts
Cold engine 105-115 Nm (1050-1150 kg-cm, 75-82 ft. lbs.)
NOTE: Run the engine to normal operating temperature and let it cool, then re-torque the bolts to specifications.
Camshaft bearing cap
Outer 19-21 Nm (190-210 kg-cm, 14-15 ft. lbs.)
Inner 10-12 Nm (110-120 kg-cm, 7-9 ft. lbs.)
Intake manifold to engine 20-23 Nm (200-230 kg-cm, 14-17 ft. lbs.)
Exhaust manifold to engine 40-45 Nm (400-450 kg-cm, 29-32 ft. lbs.)
Exhaust manifold to cylinder head nuts 25-30 Nm (250-300 kg-cm, 18-22 ft. lbs.)
Generator inlet pipe to front cylinder head assembly; 12-15 Nm (120-150 kg-cm, 9-11 ft. lbs.)
Fuel hose clamp to rear cylinder head assembly; 12-15 Nm (120-150 kg-cm, 9-11 ft. lbs.)
Intake manifold to cylinder head nuts 12-15 Nm (120-150 kg-cm, 9-11 ft. lbs.)
Power steering oil pump bracket to front cylinder head assembly; 17-26 Nm (170-260 kg-cm, 12-19 ft. lbs.)