Rotax 503 duel ignition runs great electric start oil injection 110 hrs come off Rans Coyote Comes with carbs starter and gear box I got to slow and stalled got close to ground shut engine off knocked out nose wheel had prop strict engine off pulled gear box off all gears and bearings are ok however spindle shaft slightly bent indicated gear on engine it is ok no damage I started and run engine very strong runs great will need gasket on gear box I damaged it taking it apart