HELLO GUYS, I AM WRITING FROM ITALY AND I'M HAPPY TO BE ABLE TO COMPARE WITH YOU. SORRY FOR MY LANGUAGE. I HAVE A QUAD SPORTSMAN 500HO 2010 , BIG HORN TIRE 26", TERMINAL RACING GPR, RACING AIR FILTER, CARBURETOR NEEDLE. OK, BUT I WOULD LIKE TO INCREASE THE PERFORMANCE BY CHANGING THE FRONT VARIATOR. SIMPLY JUST CHANGE THE SPRING? OF COLOR RED? OR? WHAT DO YOU SUGGEST? Sorry if I have the wrong section.