System Specifications

SPECIFICATION
Camshaft
Cam height
Intake 35.098 - 35.298 mm (1.3818 - 1.3897 inch)
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
Specification Maximum 0.03 mm (0.0012 inch)
Limit 0.05 mm (0.0020 inch)
Flatness of mounting surface
Intake
Specification Maximum 0.10 mm (0.0039 inch)
Limit 0.10mm (0.0039 inch)
Exhaust
Specification Maximum 0.15 mm (0.0059 inch)
Limit 0.15mm (0.0059 inch)
Valve guide hole diameter
0.05 (0.002) OS 12.05 - 12 068 mm (0.474 - 0.475 inch)
0.25 (0.010) OS 12.25 - 12.268 mm (0.482 - 0.483 inch)
0.50 (0.020) OS 12.50 - 12.518 mm (0.492 - 0.493 inch)
Intake valve seat ring hole diameter
0.3 (0.012) OS 36.30 - 36.325 mm (1.429 - 1.430 inch)
0.6 (0.024) OS 36.60 - 36.625 mm (1.441 - 1.442 inch)
Exhaust valve seat ring hole diameter
0.3 (0.012) OS 33.30 - 33.325 mm (1.311 - 1.312 inch)
0.6 (0.024) OS 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 (4.164 inch)
Exhaust
Specification 105.4 mm (4.150 inch)
Limit 104.9 mm (4.130 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 0.8 mm (0.0315 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 (1.787 inch)
Load 24.0 kg /37.9 mm (53 lbs. / 1.492 inch)
Out of squareness
Specification Maximum 2°
Limit 4°

TIGHTENING TORQUE
Camshaft sprocket bolt 78.5 - 98.1 Nm (8.0 - 10.0 kg-m 57.9 - 72.3 ft. lbs.)
Cylinder head cover bolt 7.8 - 9.8 Nm (0.8 - 1.0 kg-m, 5.8 - 7.2 ft. lbs.)
Cylinder head bolt (Cold engine) 103.0 - 112.8 Nm (10.5 - 11.5 kg-m, 75.9 - 83.2 ft. lbs.)
Intake manifold nut (to engine) 19.6 - 22.6 Nm (2.0 - 2.3 kg-m, 14.5 - 16.6 ft. lbs.)
Heat protector bolt (to exhaust manifold) 11.8 - 14.7 Nm (1.2 - 1.5 kg-m, 8.7 - 10.8 ft. lbs.)
Exhaust manifold nut (to engine) 39.2 - 44.1 Nm (4.0 - 4.52 kg-m, 8.9 - 32.5 ft. lbs.)