
The crankshaft is steel, with hardened journals, five-bearing, with channels for lubrication and centrifugal traps for cleaning oil, the diameter of the main journal is 75-0.020 mm, and the connecting rod is 65.5-0.020 mm (Fig. 1)

The B10 fuel pump is a diaphragm, sealed, with three outlet and three inlet valves and a lever for manual fuel pumping

Design of contact ignition system ZIL 131
The engine is equipped with a shielded, sealed battery ignition system, consisting of a B 102-B ignition coil, a P102 ignition distributor, CH307 spark plugs and high voltage wires in shielding hoses and manifolds, as well as an ignition switch

It is necessary to regularly add grease to the axles and replace it as indicated in the lubrication chart