Design of the product: The crankshaft is forged from carbon steel and has six connecting rods and eight main journals. The cranks of the shaft are located relative to each other at an angle of 60°. There are two holes in each connecting rod neck of the shaft, through which oil flows from the frame bearings to lubricate the connecting rod bearings and cool the pistons. The shaft flange has a centering edge for installing the flywheel, which is fastened with studs.Material: Carbon steel.