Äh ja klar, sorry also: Einlass: 6 /100stel Auslass: 8/100stel +- 1 /100stel Danke für den Hinweis ! hier der textauszug aus dem WHB: VALVE CLEARANCE SETTING ENGINE - COLD CONDITION (Below 35ºC) 1. Remove IN & EX valve inspection covers. 2. Align Magneto rotar mark with mark on fan cover. 3. Check compression stroke by valves (no movement) action but both the rockers should have play. If there is no play rotate crank shaft for one more turn and align with mark, and again check, rocker arm free play. 4. Check valve clearance as below by inserting feeler gauge between valve adjusting screw and valve stem. Inlet valve - 0.06 ± 0.01 mm and Ex. valve - 0.08 ± 0.01 mm by feeler gauge. 5. For adjustment of valve clearance loosen the valve adjusting screw lock nut and adjust the valve clearance by turning the adjusting screw until there is a slight drag on the feeler gauge. Apply engine oil to the valve adjusting nut thread. Hold the adjusting screw and tighten the lock nut. 6. Finally tighten lock nut.