Sorry 4 caps im not yellling.thanks

I BOUGHT A SKI CHEAP AS DIRT AND REMOVED THE MOTOR HOPING IT WASNT LOCKED UP.I TOOK MOTOR OUT AND IT SPINS BY HAND NICE AND EASY.PLUGS WERE A LITTLE DARK(LOOKS NORMAL) THEN REMOVED CARB MANIFOLD TO CHECK CRANK.FLYWHEEL SIDE LOOKS GOOD NICE PISTON WITH A NICE LOOKING CYINDER SLEEVE CONECT ROD ALSO LOOK NICE.ON THE PTO SIDE PISTON IS GOOD ALSO SLEEVE IS NICE THEN ON CONECT ROD THERE WAS RUST BUILD UP IF I TOUCH IT WITH MY FINGER IT WOULD WIPE RITE OFF ON TO MY FINGER IT WAS A LITTLE GRITY BUT THE ROD IT SELF DIDNT LOOK RUSTED JUST THE RUSTY GRIT BUILD UP.DO I ATTEMP TO THROW NEW STARTER IN(SINCE ITS ORIGINAL) THEN HOOK IT UP IN MY SKI TO SEE IF SHE WILL RUN? ANY INPUT WOULD BE MOST APPRECIATED.ANY QUESTIONS JUST ASK. THANKS