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ITEM SPECIFICATION (mm) Valve Outer Diameter Intake Valve 5.98 ± 0.008 Exhaust Valve 5.96 ± 0.008 Valve Guide Inner Diameter Intake Valve 5.4 ± 0.1 Exhaust Valve 5.4 ± 0.1 Fringe Thickness On Top Of Valve Intake Valve 0.3 ± 0.15 Exhaust Valve 0.3 ± 0.15 Valve Tilt Angle Intake Valve 65° Exhaust Valve 68° Valve Height Intake Valve 107.998 Exhaust Valve 106.318 • Measure valve deflection. VALVE DEFLECTION LIMIT (DIAL GAUGE READING) Intake 0.02 mm Exhaust 0.04 mm • If it exceeds the limit, check valve to valve guide clearance. − Measure valve stem diameter and valve guide inner diameter. guide. VALVE TO VALVE GUIDE CLEARANCE STANDARD Intake 0.012 - 0.043 mm Exhaust 0.032 - 0.063 mm Assembly 1. Install the valves into the cylinder head (larger diameter on intake side). 2. Install the valve springs. 3. Install the valve spring retainers. CYLINDER HEAD UNIT REPAIR BESM020073
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