NANO

ENGINE 273 MPFI 105 ENGINE INSPECTION AND REPAIR DATA Inspection Of Engine Components NOTE • During and immediately after disassembly, inspect cylinder block and head for evidence of water leakage or damage. • Wash all disassembled parts clean, removing grease, slime, carbon and scales, before inspecting them to determine whether repair is necessary or not. • Be sure to de-scale the water jackets. • Use compressed air to clear internal oil holes and passages. • Do not disturb the set combinations of valves, bearings and bearing caps, etc. Have the sets segregated and identified. Cam Shaft Cam shaft Pin Diameter A noisy engine or an engine producing not enough power is frequently due to its camshaft excessively worn or bent or bowed. The wear could occur on its cams and journals. CAM SHAFT PIN DIAMETER 25.967 mm to 25.98 mm CAMSHAFT DIAMETERAT LOBE 43.55 +/-0.1mm Camshaft run-out Hold the camshaft between two center points, with a dial gauge rigged up to measure its runout. Replace the camshaft if the amount of runout so measured exceeds the limit. CAMSHAFT RUN-OUT STANDARDVALUE LIMIT 0.025 mm 0.05 mm