Check the cylinder block crankshaft bore size code.
Record the cylinder block crankshaft bore size code letters on cylinder block as shown.
Reading order is from left to right with front crankshaft bore size code shown first.
Class | Crankshaft bore diameter | Size code |
a | 54 ~ 54.006 mm (2.1259 ~ 2.1262 in.) | A |
b | 54.006 ~ 54.012 mm (2.1262 ~ 2.1264 in.) | B |
c | 54.012 ~ 54.016 mm (2.1264 ~ 2.1266 in.) | C |
Check the crankshaft main journal size code.
Record the main journal size code letters on the crankshaft balance weight.
Reading order is from left to right as shown, with No.1 main journal size code shown first.
Class | Main journal diameter | Size code |
I | 50.032 ~ 50.038 mm (1.9697 ~ 1.9699 in.) | Λ |
II | 50.038 ~ 50.044 mm (1.9699 ~ 1.9702 in.) | b |
III | 50.044 ~ 50.050 mm (1.9702 ~ 1.9704 in.) | c |
Color | Main journal bearing thinckness |
Yellow | 2.002 ~ 2.005 mm (0.0788 ~ 0.0789 in.) |
Green | 2.005 ~ 2.008 mm (0.0789 ~ 0.0790 in.) |
No color | 2.008 ~ 2.011 mm (0.0790 ~ 0.0791 in.) |
Black | 2.011 ~ 2.014 mm (0.0791 ~ 0.0793 in.) |
Blue | 2.014 ~ 2.017 mm (0.0793 ~ 0.0794 in.) |
Color | Main journal bearing thickness |
Yellow | 1.999 ~ 2.002 mm (0.0787 ~ 0.0788 in.) |
Green | 2.002 ~ 2.005 mm (0.0788 ~ 0.0789 in.) |
No color | 2.005 ~ 2.008 mm (0.0788 ~ 0.0790 in.) |
Black | 2.008 ~ 2.011 mm (0.0790 ~ 0.0791 in.) |
Blue | 2.011 ~ 2.014 mm (0.0791 ~ 0.0793 in.) |
Choose proper main journal bearing in table.
