NANO

ENGINE 273 MPFI 141 ENGINE • Apply oil on piston side, piston ring, cylinder bore & bearing shells. • Turn crank shaft & bring crank pin journal to the top most position on to which connecting rod with piston is to be fitted. • Clamp piston ring compressor over piston rings such that piston with piston rings can slide inside it. • Insert connecting rod and piston assembly up to piston ring into cylinder bore with arrow on piston crown pointing towards front. • Push piston gradually inside cylinder bore by hand or if required using wooden handle of mallet gently till connecting rod locates on crank pin journal. Slowly rotate crank shaft, simultaneously pushing piston till crank pin journal reaches BDC position. • Install connecting rod bearing cap with bearing shells on connecting rod ensuring that bearing shell lugs are on same side. • Tighten connecting rod bearing mounting bolts to specified torque. • Measure piston protrusion above crank case with the help of piston topping gauge and it should be within specified limit. NOTE Piston topping : 0.40 - 0.60 mm