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ZK500354AA00 Guide inside diameter Stem diameter Valve Measure the clearance between the valve guide and valve stem. Standard value: Intake 0.020 - 0.047 mm (0.0008 - 0.0018 inch) Limit: Intake 0.10 mm (0.003 inch) VALVE GUIDE REPLACEMENT PROCEDURE 1. Using a press, remove the valve guide toward the cylinder Do not install a valve guide of the same size again. 2. Rebore the valve guide hole of the cylinder head so that it fits Valve guide hole diameters 0.05 oversize: 11.050 - 11.068 mm (0.4351 - 0.4357 ZK602123 0000 Protrusion 3. Press-fit the valve guide until it projects by the specified Protrusion: 16.7 - 17.3 mm (0.66 - 0.68 inch) NOTE: When press-fitting the valve guide, work from the cylinder head top surface. NOTE: Pay attention to the difference in length of the valve guides. [Intake side: 45.5 mm (1.79 inches); NOTE: After installing the valve guides, insert new valves in them to check for smooth operation. VALVE SEAT INSPECTION M11103000909USA0000010000 ENGINE OVERHAUL 11B-51 CYLINDER HEAD AND VALVES |