hi everyone. i got myself a 03 sno pro a few days ago which was supposed to be in mint condition. when i opened the hood and took a closer look in, i saw that one carburetor was all covered in oil, but the other one was really nice and clean. also when i took a test ride with it yesterday afternoon, it performed really nicely the first half an hour about. but when i got a few runs of it up to close 50 miles and hour, it suddenly just died with a wheezing sound. i was shocked, so i pulled at the rope again to get it started, which it did after a few pulls. i slowly drove toward home and after about 200-300 meters, it died again with the same sound. i got really frustrated, cause it should actually be in mint condition and my other snowmobile which i had before this one, never did anything like that. so i tried to start it again, but i couldnt even pull the rope. it was just stuck somehow. after a minute or so, i tried again and suddenly i could pull the rope again and it started again. then i slowly got all the way home. sorry about this long text but im really frustrated[confused2] and i have no idea whats going on. plaese help i would really appreciate it. thanks so much