Valve, Intake/Exhaust

Installed Height 24.86-25.62 mm (0.9787-1.0024 inch)

Valve Tip Height Above Spring Retainer 0.602-0.820 mm (0.0237-0.0323 inch)

Valve Seat Angle 45 degrees

Valve Face Angle
Intake 46 degrees
Exhaust 45.5 degrees

Overall Length
Intake 107.290 mm (4.2272 inch)
Exhaust 108.17 mm (4.2586 inch)

Head Diameter
Intake 35.5 ± 0.03 mm (1.3987 ± 0.0011 inch)
Exhaust 28.870-29.130 mm (1.1366-1.1469 inch)

Stem Diameter
Intake 5.921 5.941 mm (0.2331-0.2339 inch)
Exhaust 5.908-5.928 mm (0.2326-0.2334 inch)

Stem To Guide Clearance
Intake 0.025-0.069 mm (0.0009-0.0025 inch)
Exhaust 0.038-0.082 mm (0.0016-0.0032 inch)

Valve Seat Width
Intake 0.94-1.90 mm (0.0370-0.0748 inch)
Exhaust 0.094-1.90 mm (0.0037-0.0748 inch)

Valve Seat Margin (Minimum)
Intake 0.25 mm (0.0098 inch)
Exhaust 0.25 mm (0.0098 inch)

Valve Face Runout
Intake 0.038 mm (0.0015 inch)
Exhaust 0.038 mm (0.0015 inch)

Valve Tip to the Groove Centerline
Intake 3.420 mm (0.1346 inch)
Exhaust 3.420 mm (0.1346 inch)