Toyota Workshop Service and Repair Manuals

Valve: Specifications

Valve Overall Length:

Standard:

Intake .....................................................................................................................................................................................  95.45 mm (3.5779 inch)
Exhaust ..................................................................................................................................................................................  95.40 mm (3.7559 inch)

Minimum:

Intake .....................................................................................................................................................................................  94.95 mm (3.7382 inch)
Exhaust ..................................................................................................................................................................................  94.90 mm (3.7362 inch)

Valve Face Angle ..........................................................................................................................................................................................................  44.5°

Valve Stem Diameter:

Intake .................................................................................................................................................................  5.470 - 5.485 mm (0.2154 - 0.2159 inch)
Exhaust ..............................................................................................................................................................  5.465 - 5.480 mm (0.2152 - 0.2157 inch)

Valve Stem Oil Clearance (Between Stem and Guide Bushing):

Standard:

Intake ...........................................................................................................................................................  0.025 - 0.060 mm (0.0010 - 0.0024 inch)
Exhaust ........................................................................................................................................................  0.030 - 0.065 mm (0.0012 - 0.0026 inch)

Maximum:

Intake .......................................................................................................................................................................................  0.08 mm (0.0031 inch)
Exhaust ....................................................................................................................................................................................  0.10 mm (0.0039 inch)

Valve Margin Thickness:

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