My Volvo Aq125 Seems To Have Some Timing Issues. We Had To Move The Distributor A Notch To Get Her To Start. Once It Did It Ran Better Than Ever. Problem Is It Quit Again After About An Hour Total Usage. By Moving The Distributor As Far As The Adjustment Allows It Will Try To Fire. The Belt Is New And As Far As I Can Tell The Gears Are Fine. What Would Cause This To Jump Time? It Did It After Just Starting And Then It Died And Would Not Go Again