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1.13
Section 1
Safety and General Information
1
Valves and Valve Lifters (Cont'd.)
Intake Valve Guide I.D.
New................................................................................................ 7.038/7.058 mm (0.2771/0.2779 in.)
Max. Wear Limit ............................................................................. 7.134 mm (0.2809 in.)
Intake Valve Stem Diameter
New................................................................................................ 6.982/7.000 mm (0.2749/0.2756 in.)
Exhaust Valve Guide I.D.
New................................................................................................ 7.038/7.058 mm (0.2771/0.2779 in.)
Max. Wear Limit ............................................................................. 7.159 mm (0.2819 in.)
Exhaust Valve Stem Diameter
New................................................................................................ 6.970/6.988 (0.2744/0.2751 in.)
Valve Guide Reamer Size
Standard......................................................................................... 7.048 mm (0.2775 in.)
0.25 mm O.S.................................................................................. 7.298 mm (0.2873 in.)
Intake Valve Minimum Lift ..................................................................... 8.88 mm (0.3496 in.)
Exhaust Valve Minimum Lift.................................................................. 8.88 mm (0.3496 in.)
Nominal Valve Seat Angle..................................................................... 45°
General Torque Values
Metric Fastener Torque Recommendations for Standard Applications
Tightening Torque: N·m (in. lb.) + or - 20%
Property Class
Noncritical
Fasteners
Into Aluminum
Size
M4 1.2 (11) 1.7 (15) 2.9 (26) 4.1 (36) 5.0 (44) 2.0 (18)
M5 2.5 (22) 3.2 (28) 5.8 (51) 8.1 (72) 9.7 (86) 4.0 (35)
M6 4.3 (38) 5.7 (50) 9.9 (88) 14.0 (124) 16.5 (146) 6.8 (60)
M8 10.5 (93) 13.6 (120) 24.4 (216) 33.9 (300) 40.7 (360) 17.0 (150)
Tightening Torque: N·m (ft. lb.) + or -20%
Property Class
Noncritical
Fasteners
Into Aluminum
M10 21.7 (16) 27.1 (20) 47.5 (35) 66.4 (49) 81.4 (60) 33.9 (25)
M12 36.6 (27) 47.5 (35) 82.7 (61) 116.6 (86) 139.7 (103) 61.0 (45)
M14 58.3 (43) 76.4 (55) 131.5 (97) 184.4 (136) 219.7 (162) 94.9 (70)
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8.8
10.9
12.9
4.8
5.8
10.9
12.9
4.8
8.8