Valve: Specifications

VALVE OVERALL LENGTH
Standard
Intake 95.45 mm (3.5779 inch)
Exhaust 95.40 mm (3.7559 inch)
Minimum
Intake 94.95 mm (3.7382 inch)
Exhaust 94.90 mm (3.7362 inch)

VALVE FACE ANGLE 44.5°

STEM DIAMETER
Intake 5.470 - 5.485 mm (0.2154 - 0.2159 inch)
Exhaust 5.465 - 5.480 mm (0.2152 - 0.2157 inch)

STEM OIL CLEARANCE
Standard
Intake 0.025 - 0.060 mm (0.0010 - 0.0024 inch)
Exhaust 0.030 - 0.065 mm (0.0012 - 0.0026 inch)
Maximum
Intake 0.08 mm (0.0031 inch)
Exhaust 0.10 mm (0.0039 inch)

MARGIN THICKNESS
Standard 1.0 mm (0.039 inch)
Maximum 0.5 mm (0.020 inch)