Cylinder Head, Overhaul
Valve, Grind
Important!
Ensure that there are no crater-like burns on the valve cone.
Regrinding is possible once or twice. Grinding down at valve shaft end is not permissible.
Seat angle at valve head: 46 ° .
Inspect
Check valve indentation - see operation "Valve Indentation, Check".
Important! 
Inspect 