Translations:KAVAN AP06A - Instruction Manual/77/en

8) Repeat the procedure in step # 7, while setting the high speed needle valve slightly leaner each time. In all, you should run the engine about a total of 40 minutes of actual running time. The engine is fully broken-in when it will hold a peak R.P.M. setting at full throttle for about 5 minutes with no tendency to fluctuate or overheat. After the break-in period is completed the engine is ready for flight.