After disassembly the engine is fully cleaned in an industrial washing machine. Then all parts are thoroughly inspected and a complete diagnosis is made to decide which parts can be repaired and which have to be replaced.
old pistons
heavily damaged cylinder wall
drilling of the engine
cylinder walls after honing
cylinder head after assembly
grinding of the crankshaft
mounting of the bearings
adjusting lateral play
halfway through the assembly
after assembling the cylinder head
ready for installation