tech

What are these engines like and does any one have the dimensions of it? As I want to use it for a school tech project! Thanks a lot Eli

my dhz pittie is fairly new.. and it wont kick over thithout choke, then when i give it choke and turn of the choke off i have to rev it to keep to pike on.. even when the pike is fully warmed up i cant put it in nutreal.. it will slowdy die on me.. i changed the plug from a shitty china one to...