Valve Seat - Diameter, Height, Depth

Valve Seat (Unit: mm (inch))

Cylinder head seat recess diameter (D)
Intake
Standard: 38.000 - 38.016 (1.4961 - 1.4967)
Service: 38.500 - 38.516 (1.5157 - 1.5164)

Exhaust
Standard: 32.200 - 32.216 (1.2677 - 1.2683)
Service: 32.700 - 32.716 (1.2874 - 1.2880)

Valve seat interference fit
Intake 0.081 - 0.113 (0.0032 - 0.0044)
Exhaust 0.064 - 0.096 (0.0025 - 0.0038)

Valve seat outer diameter (d)
Intake
Standard: 38.097 - 38.113 (1.4999 - 1.5005)
Service: 38.597 - 38.613 (1.5196 - 1.5202)

Exhaust
Standard: 32.280 - 32.296 (1.2709 - 1.2715)
Service: 32.780 - 32.796 (1.2905 - 1.2912)

Height (h)
Intake
Standard: 5.9 - 6.0 (0.232 - 0.236)
Service: 5.05 - 5.15 (0.1988 - 0.2028)

Exhaust
Standard: 5.9 - 6.0 (0.232 - 0.236)
Service: 4.95 - 5.05 (0.1949 - 0.1988)

Depth (H) 5.9 - 6.1 (0.232 - 0.240)

Depth (L)
Intake 41.07 - 41.67 (1.6169 - 1.6405)
Exhaust 41.00 - 41.60 (1.6142 - 1.6378)