yesterday i rode my 01 yzf426 around the yard for like 5 minutes and today i went to start it and it usually starts on the first kick. but today i kicked it over like 20 times and it wouldnt even fire. so then i was thinking of what would caus ethis and i checked the gas and it was empty. so i filled it up and it will not start..i have trid the choke and the hot start and it wont start. any advice??