Valve Seat

VALVE SEAT DIAMETER:

Intake Valve Seat:

Intake valve seat:
Standard: 46.00 mm (1.8110 in)
Oversize 1: 46.25 mm (1.8209 in)
Oversize 2: 46.50 mm (1.8307 in)

Exhaust Valve Seat:

Exhaust valve seat:
Standard: 38.00 mm (1.4960 in)
Oversize 1: 38.25 mm (1.5059 in)
Oversize 2: 38.50 mm (1.5157 in)

Valve Seat Diameter:

NOTE: When replacing valve seats, the interference between the seat and its bore should be 0.17 mm (0.0067 in). That means that the valve seat diameter should be 0.17 mm (0.0067 in) greater than diameter of bore in cylinder head.