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EM-248 < UNIT DISASSEMBLY AND ASSEMBLY > [VK50VE] CYLINDER HEAD b. Heat cylinder head to 110 to 130 ° C (230 to 266 ° F) by soaking in heated oil (A). c. Using the valve guide drift (commercial service tool), press valve WARNING: Cylinder head contains heat. When working, wear protec- d. Using the valve guide reamer (commercial service tool) (A), 2. Install valve seat (EXH), if removed. a. Ream cylinder head recess diameter (a) for service valve seat • Be sure to ream in circles concentric to valve guide center. This enables valve to fit correctly. JPBIA0184ZZ Projection (A) : Refer to JPBIA0186ZZ Standard : Refer to . JPBIA0185ZZ Oversize (service) [0.5 mm (0.020 in)]: : Refer to . JPBIA0188ZZ |