
Cylinder head and gas distribution mechanism D-245
The cylinder head is a cast iron casting, in the internal cavities of which there are inlet and outlet channels closed by valves

Carburettor disassembly 21083–1107010-31
The carburetor is disassembled to clean the carburetor and inspect parts.

The arrangement of the centrifugal oil filter is shown in fig. 1.
Washing parts of the centrifugal oil filter made of aluminum alloy is not allowed in an aggressive environment

If a constant knock of valves is heard when the engine is idling, the hydraulic bearings of the drive levers are faulty. Replace defective hydraulic bearings