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Cylinder Head/Valve Train

STANDARD SPECIFICATION

  MEASUREMENT STANDARD (NEW) SERVICE LIMIT
Compression 250 rpm and wide open throttle kPa (kgf/cm2 , psi)      
Nominal 1,270 (13.0, 184)
Minimum 930 (9.5, 135)
Maximum variation 200 (2.0, 28)
Cylinder head Warpage -- 0.05 (0.002)
Height 92.95 - 93.05 (3.659 - 3.663) --
Camshaft End play 0 05 - 0.15 (0.002 - 0.006) 0.5 (0.02)
Camshaft-to-holder oil clearance 0.050 - 0.089 (0.002 - 0.004) 0.15 (0.006)
Total runout 0.03 (0.001) max. 0.04 (0.002)
Cam lobe height IN Primary 37.065 (1.4592) --
Mid 38.274 (1.5068) --
Secondary 36.778 (1.4479) --
EX 38.008 (1.4964) --
Valve Valve clearance (Cold) IN 0.18 - 0.22 (0.007 - 0.009) --
EX 0.23 - 0.27 (0.009 - 0.011) --
Valve stem O.D. IN 5.48 - 5.49 (0.2157 - 0.2161) 5.45 (0.2146)
EX 5.45-5.46 (0.2146 - 0.2150) 5.42 (0.2134)
Stem-to-guide clearance IN 0.02 - 0.05 (0.001 - 0.002) 0.08 (0.003)
EX 0.05 - 0 08 (0.002 - 0.003) 0.11 (0.004)
Valve seat Width IN 0.85 - 1.15 (0.033 - 0.045) 1.6 (0.063)
EX 1.25 - 1.55 (0.049 - 0.061) 2.0 (0.079)
Stem installed height IN 53.17 - 53.64 (2.093 - 2.112) 53.89 (2.122)
EX 53.17 - 53.64 (2.093 - 2.112) 53.89 (2.122)
Valve spring Free length IN 58.0 (2.28) --
EX 58.7 (2.31) --
Valve guide I.D. IN 5.51 - 5.53 (0.217 - 0.218) 5.55 (0.219)
EX 5.51 - 5.53 (0.217 - 0.218) 5.55 (0.219)
Installed height IN 17.85 - 18.35 (0.703 - 0.722) --
EX 18.65-19.15 (0.734-0.754) --
Rocker arm Arm-to-shaft clearance IN 0.017 - 0.050 (0.0007 - 0.0020) 0.08 (0.003)
EX 0.018 - 0.054 (0.0007 - 0.0021) 0.08 (0.003)