Valve Seat

Outer Intake Valve
Measured distance 33.0 mm (1.299 inch)
Minimum dimension -32.2 mm (1.268 inch)
Maximum permissible refacing dimension =0.8 mm (0.031 in.)

Note: If the measured distance is less than the minimum dimension, repeat the measurement with new valves, or replace the cylinder head.

Minimum dimension
Outer intake valve 32.2 mm (1.268 in.)
Center intake valve 33.2 mm (1.307 in.)
Exhaust valve 33.0 mm (1.299 in.)