TIAGO

1.05L REVOTORQ ENGINE 66 Stage Cylinder block case main bearing bore diameter with bearing shell (mm) Crankshaft main bearing journal diameter (mm) Standard 50.026 / 50.066 49.991-50.000 Standard 1 49.926 / 49.966 49.982-49.990 Repair 1 Repair 2 Stage Width of 4 th main bearing journal (mm) 4 th main bearing thrust washer thickness (mm) Standard 24.000 / 24.052 2.52 (2.50 - 2.55) Standard 1 24.100 / 24.152 2.57 (2.55 -2.60) Repair 1 24.200 / 24.252 2.62 (2.60 - 2.65) Maintenance Limit End play of crank shaft 0.06 – 0.245 mm Fillet radius of main bearing journals 2.5 – 0.5 mm Fillet radius of crank pin journals 2.5 – 0.5 mm Width of 1st, 2nd, 3rd, 4th, and 5th main bearing journals 24.000 + 0.2 mm Width of crank pin journals 24.000 + 0.2 mm Maximum permissible cylindricity 0.005 Sphericity of main bearing journal 0.0025 Maximum permissible sphericity of crank pin 0.005 Maximum permissible run out of 2nd, 3rd and 4th main bearing journals when supported at 1st and 5th main bearing journals 0.02 Maximum permissible out of parallelism between crank pin and main bearing journal axis 0.01 Pre-tension of main bearing shells 0.010 – 0.040 mm Hardness of crank shaft main bearing and crank pin journals 56 ± 3 HRC Main bearing parent bore diameter in crank case A grade = 53.800 - 53.809 C grade = 53.810 -53.818 Maximum permissible taper of main bearing parent bore 0.005 Maximum permissible sphericity of main bearing parent bore 0.03 Crank shaft journal to main bearing clearance 0.022 - 0.047