2012 POLARIS RANGER 800 Engine Problems

TEN MONTHS AFTER PURCHASE OF THE VEHICLE THE ENGINE BEGAN USING EXCESSIVE AMOUNTS OF OIL; RUNNING BAD AFTER WARM-UP WITH MISFIRING, WOULD NOT IDLE CORRECTLY; ENGINE 'STALLING-OUT' DURING OPERATION AND DYING; ENGINE HARD TO START WHICH RESULTED IN 'SLACK' IN COMPONENTS; MIDDLE OF BACK-SEAT GOT TOO HOT FOR ANYONE TO SIT ON THE SEAT FOR VERY LONG RESULTING IN SLIGHT BURN TO BACK OF LEG AND/OR DISCOMFORT CAUSED FROM EXCESSIVE HEAT RISING-UP FROM MOTOR UNDERNEATH SEAT WHICH COULD HAVE RESULTED IN A FIRE/SERIOUS SAFETY HAZARD; BIG GUSH OF AIR OUT OF SYSTEM WHEN HOOK UP FUEL PRESSURE GAUGE/FUEL-LINE VAPOR LOCK CAUSED BY EXCESSIVE HEAT IN ENGINE, RECOMMENDED FUEL FOR THIS VEHICLE BY DEALERSHIP WAS MID-GRADE GASOLINE (U.S. 87-93 AKI OCTANE RATING). POLARIS TECHNICIANS ASKED IF OPERATOR USING NON-ETHANOL GASOLINE (IF AVAILABLE, WHICH IT IS NOT IN OUR REMOTE AREA OF THE COUNTRY), THEY WENT ON TO SAY "...WITH POOR GRADE...