Translations:KAVAN AP09A - Instruction Manual/75/en
9. After each flight, lean the engine slightly. Continue to do this, until at the end of ten flights the engine is holding a normal needle valve setting. Remember, do not over-lean the engine.
9. After each flight, lean the engine slightly. Continue to do this, until at the end of ten flights the engine is holding a normal needle valve setting. Remember, do not over-lean the engine.