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CYLINDER HEAD EM-77 < REMOVAL AND INSTALLATION > C D E F G H I J K L M A EM N P O 3. Remove the valve collet using Tools. CAUTION: When working, take care not to damage valve lifter holes. 4. Remove the valve spring retainer, valve spring and valve spring seat. 5. Inspect the valve guide clearance. Refer to 6. Push the valve stem to the combustion chamber side, and remove the valve. • Identify the installation positions, and store them without mixing them up. 7. Remove the valve oil seal using Tool. 8. Replace the valve seat if necessary. Refer to EM-78, "Inspection After Disassembly" . 9. Replace the valve guide if necessary. Refer to EM-78, "Inspection After Disassembly" 10. Remove the spark plug tube, as necessary. • Remove the spark plug tube out of the cylinder head using suitable tool. CAUTION: • Do not damage the cylinder head. • Do not remove the spark plug tube unless absolutely necessary. Once removed, the spark plug tube will be deformed and cannot be reused. ASSEMBLY 1. Install the valve guide if necessary. Refer to EM-78, "Inspection After Disassembly" 2. Install the valve seat if necessary. Refer to EM-78, "Inspection After Disassembly" . 3. Install the valve oil seal using Tool. • Apply new engine oil on the new valve oil seal joint and seal lip. • Install the valve oil seal to the specified height "H". 4. Install the valves in their original position. Tool number : KV10116200 (J-26336-A) Tool number : KV10107902 (J-38959) WBIA0578E WBIA0478E Tool number : KV10115600 (J-38958) Height "H" (without valve spring installed) Intake and exhaust : 14.300 - 14.900 mm (0.5630 - WBIA0490E |