
The main dimensions of the connecting rod and piston group are shown in Figure 1
The piston is cast aluminum

Disassembling the gearbox shafts is necessary to replace the shaft parts.
Removing the gearbox is discussed in the article - "How to replace the gearbox of the Niva Chevrolet"
Disassembling the gearbox is discussed in the article - "Repairing the gearbox of the VAZ-2123 car"
- How to check the compression in the engine cylinders of a Niva Chevrolet
- Replacing the oil filter bracket seals of the VAZ-2123 engine
- How to replace the fuel filter VAZ-2123
- How to install a radio on a Niva Chevrolet
- How to remove and repair the front suspension arms of a VAZ-2123
- Changing the oil in the transfer case of a Niva Chevrolet
- Replacing the throttle cable Niva Chevrolet