Valve Clearance

GENERAL SPECIFICATIONS

Valve Face Angle 45 degrees
Valve Face Runout 0.038 mm (0.0015 inch)
Valve Face Width
Exhaust 1.500 mm (0.0591 inch)
Intake 1.000 mm (0.0394 inch)
Valve Head Diameter
Exhaust 27.880-28.140 mm (1.0976-1.1079 inch)
Intake 36.090-36.350 mm (1.4209-1.4311 inch)
Valve Length
Exhaust 91.730-91.990 mm (3.6114-3.6217 inch)
Intake 110.600-110.860 mm (4.3543-4.3646 inch)
Valve Seat Angle 45.75 degrees
Valve Seat Relief Angle 20 degrees
Valve Seat Relief Width
Exhaust 0.160-0.360 mm (0.0063-0.0142 inch)
Intake 0.110-0.310 mm (0.0043-0.0118 inch)
Valve Seat Runout 0.050 mm (0.0020 inch)
Valve Seat Undercut Angle
Exhaust 65 degrees
Intake 60 degrees
Valve Seat Width
Exhaust 1.300-1.700 mm (0.0512-0.0669 inch)
Intake 0.420-0.820 mm (0.0 165-0.0323 inch)
Valve Stem Diameter 5.920-5.940 mm (0.2331-0.2339 inch)
Valve Stem Out-of-Round 0.008 mm (0.0003 inch)
Valve Stem Straightness 0.013 mm (0.0005 inch)
Valve Stem-to-Guide Clearance