• A steel connecting rod with high rigidity has been adopted.

• The connecting rod bolts are plastic region tightening bolts to be tightened in two steps to insure tightening stability.

• A connecting rod bearing with positioning tabs has been adopted to improve accuracy in installation.

• The upper lower bearing of the connecting rod bearing is made of aluminum alloy.

• The connecting rod bearings can be selected from three types including the standard, 0.25 mm {0.01 in} over-size and 0.50 mm {0.02 in} over-size.