hey i bought a blaster off my friend from work last week, the quad has been sitting for two years without being ran, removed the carb and gas tank cleaned them both out and re-installed, will not start?? i removed the spark plug to check spark i am getting spark but not sure if it is enough, i am getting good compression, checked for clogged air filter no blocking, if i pull the quad behind a truck or something and dump the clutch it will run for not even a min and then shut off, i have no idea what the problem could be can someone please help me out it will be greatly appreciated