i recently got my first quad, 2000 blaster, borred .30 over upgraded fuel system and exhaust. it was done by midwest motorsports i think is the name of the shop. big place and im pretty sure they would have done it right. that was all done when it was rebuilt 40 hours ago before i got it. my first ride i took it thru a 3" puddle and it died. dried it out and got it running again. then since the k&n filter was attatched directly to the carb, i extended the neck 8" to go under the seat with a simple air box around it to keep it free of dirt mud and water. also cleaned the filter as directed. then it wouldnt kick start, so a friend gave me a pull start and it fired right up. but it cut out in the higher rpm range. when i put it in nuetral to idle it died imediatly before i even let the clutch out. idled ok in gear tho. we put the filter back on the way it was andit still needed a pull start but it ran slightly better before cutting out, but still did, when i came to a stop it was at very low idle then died before i got it in nuetral. i havent changed the plug yet but i will soon as i get back to workin on it. since i never worked on a quad before, the only thing i can rule out is gremlins. any help is apriciated. thanks a ton.