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Cylinder Head

Item  Measurement  Qualification  Standard or New  Service Limit 
Head Warpage   0.05 mm (0.0020 in) max. -
Height   133.9-134.1 mm (5.272-5.280 in) -
Camshaft End play   0.065-0.215 mm (0.00256-0.00846 in) 0.415 mm (0.01634 in)
Camshaft-to-holder oil clearance (intake) No. 1 journal 0.030-0.069 mm (0.00118-0.00272 in) 0.12 mm (0.0047 in)
No. 2, 3, 4, 5 journals 0.060-0.099 mm (0.00236-0.00390 in) 0.15 mm (0.0059 in)
Camshaft-to-holder oil clearance (exhaust)   0.060-0.099 mm (0.00236-0.00390 in) 0.15 mm (0.0059 in)
Total runout   0.03 mm (0.0012 in) max. -
Cam lobe height Intake PRI 32.376 mm (1.27464 in) -
Intake MID 34.342 mm (1.35204 in) -
Intake SEC 29.340 mm (1.15512 in) -
Exhaust 32.948 mm (1.29716 in) -
Valve Clearance (cold) Intake 0.21-0.25 mm (0.0083-0.0098 in) -
Exhaust 0.25-0.29 mm (0.0098-0.0114 in) -
Stem O.D. Intake 5.475-5.490 mm (0.21555-0.21614 in) 5.445 mm (0.21437 in)
Exhaust 5.445-5.460 mm (0.21437-0.21496 in) 5.415 mm (0.21319 in)
Stem-to-guide clearance Intake 0.020-0.055 mm (0.00079-0.00217 in) 0.08 mm (0.0031 in)
Exhaust 0.050-0.085 mm (0.00197-0.00335 in) 0.11 mm (0.0043 in)
Item  Measurement  Qualification  Standard or New  Service Limit 
Valve seat Width Intake 0.85-1.15 mm (0.0335-0.0453 in) 1.60 mm (0.0630 in)
Exhaust 1.25-1.55 mm (0.0492-0.0610 in) 2.00 mm (0.0787 in)
Stem installed height Intake 50.55-50.95 mm (1.9902-2.0059 in) 51.25 mm (2.0177 in)
Exhaust 48.4-48.8 mm (1.906-1.921 in) 49.1 mm (1.933 in)
Valve guide Installed height Intake 18.65-19.15 mm (0.7343-0.7539 in) -
Exhaust 18.65-19.15 mm (0.7343-0.7539 in) -
Rocker arm Arm-to-shaft clearance Intake PRI 0.018-0.064 mm (0.00071-0.00252 in) 0.080 mm (0.00315 in)
Intake MID 0.018-0.059 mm (0.00071-0.00232 in) 0.080 mm (0.00315 in)
Intake SEC 0.018-0.064 mm (0.00071-0.00252 in) 0.080 mm (0.00315 in)
Exhaust 0.018-0.059 mm (0.00071-0.00232 in) 0.080 mm (0.00315 in)
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