Valve, Intake/Exhaust

VALVE TIMING
Intake
Opens (ATDC) 3.6 degrees
Closes (ATDC) 247.1 degrees
Duration 243.5 degrees
Exhaust
Opens (BTDC) 232.5 degrees
Closes (ATDC) 21.2 degrees
Duration 253.70 degrees
Valve Overlap 17.6 degrees
VALVES
Face Angle 45 degrees - 45.5 degrees
Head Diameter
Intake 48.52 - 48.78 mm (1.9103 - 1.9205 in.)
Exhaust 36.87 - 37.13 mm (1.4516- 1.4618 in.)
Length (Overall)
Intake 113.45 - 114.21 mm (4.4666 - 4.4965)
Exhaust 114.92- 115.68 mm (4.5244 - 4.5543 in.)
Stem Diameter
Intake 6.931 - 6.957 mm (0.2729 - 0.2739 in.)
Exhaust 6.902 - 6.928 mm (0.2717 - 0.2728 in.)
Stem - to - Guide Clearance
Intake 0.018 - 0.069 mm (0.0008 - 0.0028 in.)
Exhaust 0.047 - .098 mm (0.0019 - 0.0039 in.)
Maximum Allowable Stem - to - Guide Clearance (Rocking Method)
Intake 0.069 mm (0.0028 in.)
Exhaust 0.098 mm (0.0039 in.)
Valve Lift (Zero Lash)
Intake 11.25 mm (0.443 in.)
Exhaust 10.90 mm (0.4292 in.)