Engine Specifications: Valves
VALVES
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Face Angle | ||
| Intake | 45.5° - 46.0° | |
| Exhaust | 45.0° - 45.5° | |
| Head Diameter | ||
| Intake | 54.3 mm | 2.138 |
| Exhaust | 42.0 mm | 1.654 |
| Length (Overall From Gage Line) | ||
| Intake | 128.56 | 5.0614 in. |
| Exhaust | 127.17 | 5.0067 in. |
| Stem Diameter | ||
| Intake | 7.934 - 7.954 mm | 0.312 - 0.313 in. |
| Exhaust | 7.930 - 7.950 mm | 0.312 - 0.313 in. |
| Stem - to - Guide Clearance | ||
| Intake | 0.021 - 0.063 mm | 0.0008 - 0.0025 in. |
| Exhaust | 0.025 - 0.067 mm | 0.0010 - 0.0026 in. |