Motorcycle engine double-cylinder crankshaft connecting rod assembly

The utility model relates to the technical field of motorcycle engines, and discloses a double-cylinder crankshaft connecting rod assembly of a motorcycle engine, which comprises a left crankshaft, a right crankshaft and two split connecting rods, and is characterized in that a left cylinder and a right cylinder are arranged between the left crankshaft and the right crankshaft; crank pins on the left cylinder and the right cylinder are connected with the split type connecting rod through connecting rod bearing bushes respectively, the left cylinder and the right cylinder are connected through a middle connecting handle, the middle connecting handle, a rotating center shaft of the left crankshaft and a rotating center shaft of the right crankshaft are located on the same axis, and cranks are arranged on the left crankshaft and the right crankshaft respectively. And the crank and the split type connecting rod are oppositely arranged along the rotating central shaft, so that the rotating mechanism has the advant