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) | |||