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ME(H4DOTC)-72 Cylinder Head MECHANICAL 4. INTAKE AND EXHAUST VALVE 1) Inspect the flange and stem of valve, and re- Head edge thickness H: Standard Intake (A) 1.0 — 1.4 mm (0.039 — 0.055 in) Exhaust (B) 1.3 — 1.7 mm (0.051 — 0.067 in) 2) Put a small amount of grinding compound on the NOTE: Valve overall length: Intake 104.4 mm (4.110 in) Exhaust 104.65 mm (4.1201 in) 5. VALVE SPRING 1) Check the valve springs for damage, free length, ME-00758 H H (B) (A) Free length mm (in) 47.32 (1.863) Tension/spring Set 205 — 235 (20.9 — 24.0, Lift 426 — 490 (43.4 — 50.0, Squareness 2.5°, 2.1 mm (0.083 in) or less ME-00283 |