I just got a 2003 blaster Run great its soo fast keeps up with the 400's but wont idle when i stop it shuts off it to keep a little gas going to keep it on i cleaned the air filter changed the spark plug and sparyed carb cleaner in the crab and nothing where is the idle srew i found one but its by the in take so i think that the air/fuel any help i love this atv its so fast.