Toyota Workshop Service and Repair Manuals

Valve: Specifications

VALVE OVERALL LENGTH

STD:

Intake ...............................................................................................................................................................................  95.15 mm (3.7461 inch)
Exhaust ............................................................................................................................................................................  94.90 mm (3.7362 inch)

Minimum:

Intake ...............................................................................................................................................................................  94.60 mm (3.7244 inch)
Exhaust ............................................................................................................................................................................  94.40 mm (3.7165 inch)

VALVE FACE ANGLE ..............................................................................................................................................................................................  44.5°

STEM DIAMETER

Intake ...........................................................................................................................................................  5.970 - 5.985 mm (0.2350 - 0.2356 inch)
Exhaust ........................................................................................................................................................  5.965 - 5.980 mm (0.2348 - 0.2354 inch)

STEM OIL CLEARANCE

STD:

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)

MARGIN THICKNESS

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