got a ? about a 4t....WHOA...LMAO... anyway, guy said his brand new scoot quit, saw me trying to tune mine, asked if i look at it/what should he do?. well he brought it instead, its a jackel 150s..idk??. anyway, sometimes itll idle, ANY gas it stalls. sometimes it wont idle.when it does idle, dont give it gas..spark good, plenty of fuel reaching carb. did find vaccum hose dry rotted in half(75 dam miles).he said it was like mine, this is a 4t, NOT LIKE MINE....LMAO.. carb stopped up maybe???, or a aiir leak???