Mitsubishi Workshop Service and Repair Manuals

Valve: Specifications

DIMENSIONS

Face Angle  ........................................................................................................................................................................................................  45 - 45.5°
Length (Overall Height)

Standard Value

Intake  ........................................................................................................................................................................  112.30 mm (4.4213 inch)    
Exhaust  ....................................................................................................................................................................  114.1 1 mm (4.4925 inch)    

Limit

Intake  ............................................................................................................................................................................  111.80 mm (4.4016 inch)
Exhaust  .........................................................................................................................................................................  113.61 mm (4.4728 inch)

Margin

Standard Value

Intake ......................................................................................................................................................................................   1.0 mm (0.39 inch)
Exhaust  .................................................................................................................................................................................  1.2 mm (0.047 inch)

Limit

Intake  ....................................................................................................................................................................................  0.5 mm (0.020 inch)
Exhaust  .................................................................................................................................................................................  0.7 mm (0.028 inch)

Stem Outer Diameter

Intake  ..........................................................................................................................................................................................  6.0 mm (0.236 inch)
Exhaust  .......................................................................................................................................................................................  5.9 mm (0.232 inch)

Stem To Guide Clearance

Standard Value

Intake  ..........................................................................................................................................................  0.02 - 0.05 mm (0.0008 - 0.020 inch)
Exhaust  .......................................................................................................................................................  0.03 - 0.07 mm (0.0012 - 0.028 inch)

Limit

Intake  ................................................................................................................................................................................  0.10 mm (0.0039 inch)
Exhaust  .............................................................................................................................................................................  0.15 mm (0.0059 inch)

Stem Projection 

Standard Value  .....................................................................................................................................................................  49.30 mm (1.9409 inch)
Limit  .....................................................................................................................................................................................  49.80 mm (1.9606 inch)