To diagnose the YaMZ-650 engine, you need diagnostic equipment from BOSCH of the KTS family (KTS 530/540/570), shown in Fig. 1
The clutch of the YaMZ-238 model is double-disc, dry, friction type, with a peripheral arrangement of cylindrical springs
Installing cylinder heads, valve rocker arms and adjusting valve clearances
The cylinder head mounting studs are screwed into the right and left rows of the cylinder block, having previously lubricated the threaded holes for the studs in the block with diesel oil