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Unit: mm (in) Standard Limit Intake 0.023 - 0.053 (0.0009 - 0.0021) 0.18 (0.0071) Exhaust 0.040 - 0.070 (0.0016 - 0.0028) 0.10 (0.0039) I If the measured value exceeds the limit, replace valve guide. VALVE GUIDE REPLACEMENT I There is no setup for oversized valve guide. 1. Heat cylinder head to 110 to 130°C (230 to 266°F) in oil bath. 2. Using valve guide drift (multi-purpose tool: for 7.0 mm dia.), tap valve guides out from the combustion chamber side. 3. Heat cylinder head to 110 to 130°C (230 to 266°F) in oil bath. press fit valve guides from camshaft side, referring to the 5. Using valve guide reamer (multi-purpose tool), perform ream- ing to the press-fitted valve guides. Reaming specifications: Intake/Exhaust 7.000 - 7.015 mm (0.2756 - 0.2762 in) FEM069 FEM070 FEM071 FEM072 CYLINDER HEAD ZD Inspection (Cont’d) EM-59 |