Mitsubishi Workshop Service and Repair Manuals

Valve Seat: Specifications

Valve Seat Valve Contact Width ...........................................................................................................................................  0.9 - 1.3 mm (0.04 - 0.05 inch)
Intake Oversizes Rework Dimensions Of Valve Seat Hole:

0.3 Oversize Diameter .......................................................................................................................................  34.30 - 34.33 mm (1.3504 - 1.3515 inch)
0.6 Oversize Diameter .......................................................................................................................................  34.60 - 34.63 mm (1.3623 - 1.3633 inch)

Exhaust Oversize Rework Dimensions Of Valve Seat Hole:

0.3 Oversize Diameter .......................................................................................................................................  31.80 - 31.81 mm (1.2520 - 1.2531 inch)
0.6 Oversize Diameter .......................................................................................................................................  32.10 - 32.13 mm (1.2638 - 1.2650 inch)