Valve, Intake/Exhaust

COMPONENT: UNIT: mm (in)

Valve Dimensions:

INTAKE VALVE DIMENSION A [1]
Standard (New): 33.90 - 34.10 (1.335 - 1.343

INTAKE VALVE DIMENSION B [1]
Standard (New): 111.88 - 112.18 (4.405 - 4.417)

INTAKE VALVE DIMENSION C
Standard (New): 5.480 - 5.490 (0.2157 - 0.2161)
Service Limit: 5.450 (0.2146)

INTAKE VALVE DIMENSION D
Standard (New): 0.85 - 1.15 (0.033 - 0.045)
Service Limit: 0.65 (0.026)

EXHAUST VALVE DIMENSION A [1]
Standard (New): 28.9 - 29.1 (1.138 - 1.146)

EXHAUST VALVE DIMENSION B [1]
Standard (New): 123.35 - 123.65 (4.856 - 4.868)

EXHAUST VALVE DIMENSION C
Standard (New): 5.45 - 5.46 (0.2146 - 0.2150)
Service Limit: 5.42 (0.2134)

EXHAUST VALVE DIMENSION D
Standard (New): 1.05 - 1.35 (0.041 - 0.053)
Service Limit: 0.95 (0.037)

INTAKE VALVE STEM-TO-GUIDE CLEARANCE [2]
Standard (New): 0.05 - 0.10 (0.002 - 0.004)
Service Limit: 0.16 (0.006)

EXHAUST VALVE STEM-TO-GUIDE CLEARANCE [2]
Standard (New): 0.11 - 0.16 (0.004 - 0.006)
Service Limit: 0.24 (0.009)

INTAKE VALVE STEM-TO-GUIDE CLEARANCE [3]
Standard (New): 0.020 - 0.045 (0.001 - 0.002)
Service Limit: 0.080 (0.003)

EXHAUST VALVE STEM-TO-GUIDE CLEARANCE [3]
Standard (New): 0.055 - 0.080 (0.002-0.003)
Service Limit: 0.12 (0.005)

VALVE SEAT WIDTH, INTAKE AND EXHAUST
Standard: 1.25 - 1.55 (0.049 - 0.061)
Service Limit: 2.00 (0.079)

INTAKE VALVE STEM INSTALLED HEIGHT
Standard (New): 48.245 - 48.715 (1.8994 - 1.9179)
Service Limit: 48.965 (1.9278)

EXHAUST VALVE STEM INSTALLED HEIGHT
Standard (New): 50.315 - 50.785 (1.9809 - 1.9994)
Service Limit: 51.035 (2.0092)

UNIT: mm (in)

[1] Manufacturer does not provide Service Limits for this component.
[2] Measured with a dial indicator.
[3] Difference between largest of three guide measurements, and smallest of three stem measurements.