Make sure the engine stop cable is assembled correctly. Before you operate the unit, replace a bent or damaged engine stop cable. HOW TO START ENGINE WARNING: The blade will rotate when the engine runs. IMPORTANT: Before you start the engine, operate the engine stop lever several times. Make sure the engine stop cable moves freely. NOTE: The engine design does not include a throttle control or an engine speed adjustment. The engine is set at the best speed for cutting grass, bagging grass, and f