Usually, oil baffle caps are changed when there is increased oil consumption, accompanied by a large emission of smoke from the muffler

The device of the fuel priming and fuel priming pumps is shown in the figures

For lapping the valves, it is most convenient to use a special mechanical device (reversible drill). In addition, ready-made manual valve holders are available

To seal the joint between the flanges of the cylinder head and the intake manifold, as well as between the flanges of the throttle assembly and the intake manifold, sealing rings are installed in the grooves of the intake manifold pipes