| Maximum allowable skew | 0.076 mm (0.003 inch) on any 152.4 mm (6 inches). General 0.152mm (0.006 inch) |
| Minimum valve edge width | 0.794 mm (1/32 inch) |
| Inlet valve | |
| Saddle angle | 45 degrees |
| Standard stem diameter | 7.96-7.94 mm (0.3134-0.3126 inch) |
| 0.015 oversize | 8.339-8.321 mm (0.3283-0.3276 inch) |
| 0.030 oversize | 8.72-8.321 mm (0.3433-0.3425 inch) |
| Clearance between valve stem and guides | 0.025-0.071mm (0.001-0.0028 inch) |
| Inlet valve | |
| Saddle angle | 45 degrees |
| Standard stem diameter | 7.948-7.927 mm (0.3129-0.3121 inch) |
| 0.015 oversize | 8.329-8.308 mm (0.3279-0.3271 inches) |
| 0.030 oversize | 8.707-8.687 mm (0.3428-0.3420 inch) |
| Clearance between valve stem and guides | 0.038-0.084mm (0.0015-0.0033 inch) |
| Valve spring pressure | |
| With valve open | 720.6-800.6 N (162-180 lbf) at 29.46 mm (1.16 inches) |
| With closed valve | 262.4-289.1 N (59-65 lbf) at 40.132 mm (1.58 inches) |
| Valve spring free length (exemplary) | 40.132 mm (1.84 inches) |
| valve lifter | |
| standard diameter | 22.2-22.21mm (0.8740-0.8745 inches) |
| gap between pusher and hole | 0.018-0.069mm (0.0007-0.0027 inch) |
| Crankshaft journal diameter | 53.983-54.003 mm (2.1253-2.1261 inches) |
| Permissible deviation from steepness | 0.0076 mm (0.0003 inch) |
| Maximum allowable taper | 0.0152 mm (0.0006 inch) |
| Bearing oil clearance | |
| desirable | 0.025-0.036mm (0.001-0.0014 inch). |
| admissible | 0.02-0.069mm (0.0008-0.0027 inch) |
| Side clearance (backlash) connecting rod | |
| standard | 0.152-0.356mm (0.006-0.014 inch) |
| operating limits | 0.356 mm (0.014 inch) |
| journal diameter | 63.983-64.003 mm (2.5190-2.5198 inches) |
| allowable deviation from steepness | 0.0076 mm (0.0003 inch) |
| maximum allowable taper | 0.0152 mm (0.0006 inch) |
| maximum allowable runout | 0.051 mm (0.002 inch) |
| bearing oil clearance | |
| desirable | 0.025-0.036mm (0.001-0.0014 inch) |
| admissible | 0.013-0.058mm (0.0005-0.0023 inch) |
| Crankshaft play | |
| standard | 0.102-0.203mm (0.004-0.008 inch) |
| operating limits | 0.305 mm (0.012 inch) |
| Cam lift | |
| inlet | 6.604 mm (0.26 inch) |
| release | 6.604 mm (0.26 inch) |
| Permissible reduction in cam lift | 0.127 mm (0.005 inch) |
| Theoretical valve lift at O-m clearance | |
| at the inlet | 10.643 mm (0.419 inch) |
| on release | 10.643 mm (0.419 inch) |
| backlash | |
| standard | |
| year of issue up to 1991 inclusive | 0.076-0.127mm (0.003-0.005 inch) |
| 1992 | 0.025-0.127mm (0.001-0.005 inch) |
| operating limit | 0.127 mm (0.005 inch) |
| Note: end play adjustment is not required for models equipped with a through spring. | |
| clearance between bearing and shaft journal | 0.025-0.076mm (0.001-0.003 inch) |
| Shaft journal diameter (full) | 50.988-51.013 mm (2.0074-2.0084 inches) |
| Bearing inner diameter | 51.039-51.064 mm (2.0094-2.0104 inches) |
| Maximum allowable runout | 0.127 mm (0.005 inch) |
| (No. 2 or No. 3 runout refers to No. 1 and No. 4) | |
| The ratio of coolness is limiting | 0.102mm (0.004 inch) |
| Bearing bore inner diameter | |
| №1 | 54 689-54 714 mm (2 1531-2 1541 inches) |
| №2 | 54.188-54.214 mm (2.1334-2.1344 inches) |
| №3 | 54.188-54.214 mm (2.1334-2.1344 inches) |
| №4 | 54.689-54.714 mm (2.1531-2.1541 inches) |
| Bearing oil clearance | |
| standard | 0.025-0.076 mm 0.001-0.003 inch) |
| operating limits | 0.152 mm (0.006 inch) |
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