Toyota Workshop Service and Repair Manuals

Valve: Specifications

VALVE CLEARANCE (COLD)

Intake ...................................................................................................................................................................  0.15 - 0.25 mm (0.006 - 0.010 inch)
Exhaust ................................................................................................................................................................  0.25 - 0.35 mm (0.010 - 0.014 inch)

ADJUSTING SHIM (FOR REPAIR PART)

Mark 2.500 ............................................................................................................................................................................  2.500 mm (0.0984 inch)
Mark 2.550 ............................................................................................................................................................................  2.550 mm (0.1004 inch)
Mark 2.600 ............................................................................................................................................................................  2.600 mm (0.1024 inch)
Mark 2.650 ............................................................................................................................................................................  2.650 mm (0.1043 inch)
Mark 2.700 ............................................................................................................................................................................  2.700 mm (0.1063 inch)
Mark 2.750 ............................................................................................................................................................................  2.750 mm (0.1083 inch)
Mark 2.800 ............................................................................................................................................................................  2.800 mm (0.1102 inch)
Mark 2.850 ............................................................................................................................................................................  2.850 mm (0.1122 inch)
Mark 2.900 ............................................................................................................................................................................  2.900 mm (0.1142 inch)
Mark 2.950 ............................................................................................................................................................................  2.950 mm (0.1161 inch)
Mark 3.000 ............................................................................................................................................................................  3.000 mm (0.1181 inch)
Mark 3.050 ............................................................................................................................................................................  3.050 mm (0.1201 inch)
Mark 3.100 ............................................................................................................................................................................  3.100 mm (0.1220 inch)
Mark 3.150 ............................................................................................................................................................................  3.150 mm (0.1240 inch)
Mark 3.200 ............................................................................................................................................................................  3.200 mm (0.1260 inch)
Mark 3.250 ............................................................................................................................................................................  3.250 mm (0.1280 inch)
Mark 3.300 ............................................................................................................................................................................  3.300 mm (0.1299 inch)

VALVE OVERALL LENGTH

STD:

Intake .............................................................................................................................................................................  103.45 mm (4.0728 inch)
Exhaust ..........................................................................................................................................................................  103.60 mm (4.0787 inch)

Minimum:

Intake .............................................................................................................................................................................  102.95 mm (4.0531 inch)
Exhaust ..........................................................................................................................................................................  103.10 mm (4.0590 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)