SPECIFICATIONS

The free length for the valve spring
. . . . . . . . . . . . . . . . . . . . . . 44.6 mm ((1.75590 inch))
Table 1
The load for the valve spring The length of the valve spring
270 N (61 lb) 34 mm (1.33858 inch)
528 N (119 lb) 23.8 mm (0.93701 inch)
Illustration 14 g01335204
(2) Valve face angle
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 degrees
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . 30 degrees
(3) Valve stem diameter
Inlet
. .7.985 to 8.000 mm ((0.31437 to 0.31496 inch))
Exhaust
. .7.985 to 8.000 mm ((0.31437 to 0.31496 inch))
Clearance
Clearance of the inlet valve stem
. .0.040 to 0.053 mm ((0.00157 to 0.00209 inch))
Clearance
Clearance of the exhaust valve stem
. .0.040 to 0.053 mm ((0.00157 to 0.00209 inch))
(4) Length of valve
Inlet valve and exhaust valve
. . . . . . . . . . . . . . . . . . . . . . . 132.75 to 133.15 mm
((5.22637 to 5.24212 inch))
(5) Valve head
Diameter of inlet valve head
. . 41.43 to 41.69 mm ((1.63110 to 1.64134 inch))
Diameter of exhaust valve head
. .37.27 to 37.53 mm ((1.46732 to 1.47756 inch))
i05329586
Cylinder Head
Illustration 15 g03005658
Typical example
Lubricate the threads and the underside of the head
bolts with clean engine oil.
Tighten the M15 bolts in the sequence that is
shown in illustration 15 to the following torque.
. . . . . . . . . . . . . . . . . . . . . . . . . 130 N·m ((96 lb ft))
Tighten the M12 bolts in the sequence that is
shown in illustration 15 to the following torque.
. . . . . . . . . . . . . . . . . . . . . . . . . . 65 N·m ((48 lb ft))
Tighten the M15 bolts in the sequence that is
shown in illustration 15 to the additional amount.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 degrees
Tighten the M12 bolts in the sequence that is
shown in illustration 15 to the additional amount.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 degrees
Tighten the M15 bolts in the sequence that is
shown in illustration 15 to the additional amount.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 degrees
Tighten the M12 bolts in the sequence that is
shown in illustration 15 to the additional amount.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 degrees
Minimum thickness of cylinder head
. . . . . . . . . . . . . . . . . . . . . . . . 90 mm ((3.54330 inch))
UENR0622-02 11
Specifications Section
This document has been printed from SPI2. NOT FOR RESALE