Cylinder Head
CYLINDER HEAD
| Description | Specification | |
|---|---|---|
| Metric | Standard | |
| Gasket Thickness* (Compressed) | 0.48 - 0.60 mm | 0.019 - 0.024 in. |
| Flatness (Head Gasket Surface) | 0.09 mm | 0.0035 in. |
| Valve Seat Angle | 44.75° ± 0.25° from the valve guide axis | |
| Valve Seat Runout (relative to the valve guide axis) - Intake and Exhaust | 0.050 mm | 0.002 in. |
| Intake Valve Seat Width | 1.15 - 1.45 mm | 0.045 - 0.057 in. |
| Exhaust Valve Seat Width | 1.628 - 1.928 mm | 0.064 - 0.076 in. |
| Guide Bore Diameter (Std.) | 6.00 - 6.02 mm | 0.236 - 0.237 in. |
| Valve Guide Height** - Intake and Exhaust | 19.15 - 19.65 mm | 0.753 - 0.774 in. |
| *Measured at the fire ring, not at the outer edge **Measured from cylinder head valve spring seat surface to top of guide |
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