ARIA

ENGINE. 55 B. REPAIR DATA VALVE SEAT DIMENSIONS: VALVE DIMENSIONS (mm) INLET EXHAUST Valve head dia 'A' 29.8 + 0.1 25.9 + 0.2 Valve seat angle 45 0 + 15 45 0 + 15’ Valve stem dia 'B' 5.973 + 0.007 5.973 + 0.007 Maximum run out of valve face with respect to valve stem 0.1 0.1 Valve seat dia. 'C' 27.7 24.5 Valve seat distance from valve face 'D' 2.54 + 0.08 2.0 + 0.08 Maximum run out of valve seat with respect to valve stem 0.03 0.03 Distance of valve head from cylinder head mating surface with crank- case 0.23/-0.18 0.23/-0.18