Mitsubishi Workshop Service and Repair Manuals

Valve: Specifications

DIMENSIONS

Face Angle .........................................................................................................................................................................................................  45 - 45.5°
Margin

Intake

Standard .................................................................................................................................................................................  1.0 mm (0.039 inch)
Limit ......................................................................................................................................................................................  0.5 mm (0.020 inch)

Exhaust

Standard .................................................................................................................................................................................  1.5 mm (0.059 inch)
Limit ......................................................................................................................................................................................  1.0 mm (0.039 inch)

Overall Length    

Intake

Standard ...........................................................................................................................................................................  100.75 mm (3.967 inch)
Limit ................................................................................................................................................................................  100.25 mm (3.947 inch)

Exhaust

Standard ...........................................................................................................................................................................  101.05 mm (3.978 inch)
Limit ................................................................................................................................................................................  100.55 mm (3.957 inch)

Stem Diameter ...................................................................................................................................................................................  6.6 mm (0.260 inch)
Stem-To-Guide Clearance    

Intake

Standard ..................................................................................................................................................  0.02 - 0.050 mm (0.0008 - 0.0020 inch)
Limit ..................................................................................................................................................................................  0.10 mm (0.0039 inch)

Exhaust

Standard ................................................................................................................................................  0.050 - 0.085 mm (0.0020 - 0.0035 inch)
Limit ..................................................................................................................................................................................  0.15 mm (0.0059 inch)

Stem Projection    

Intake

Standard .............................................................................................................................................................................  43.70 mm (1.720 inch)
Limit ..................................................................................................................................................................................  44.20 mm (1.740 inch)

Exhaust

Standard .............................................................................................................................................................................  43.30 mm (1.705 inch)
Limit ..................................................................................................................................................................................  43.80 mm (1.724 inch)