My Aerox's Oil Pump Packed Up Last Week And Killed The Crank, Has Been Changed And Everything Put Back Together, But Now Running PreMix.. It Ticks Over Fine, But If Left Ticking Over For More Than A Few Seconds, When i Go To Touch The Throttle Is Tries To Kill Itself, It Splutters And That Till It Clears Itself, Could This be Due To Too Much Oil In The Fuel? Was Told To Run 33:1