the motorbike tomos atx doesn't work pls help

[nalis]

Today I downloaded the cylinder to see what condition are the piston.All is ok.Not scored.Now the motorbike doesn't work.Whan can i do?smell of burning.Should it alignment?How to make a Tomos ATX 50?

[Alex..]

Today I downloaded the cylinder to see what condition are the piston.All is ok.Not scored.Now the motorbike doesn't work.Whan can i do?smell of burning.Should it alignment?How to make a Tomos ATX 50?

did you put the piston back in the right way?
with the arrow pointing towards the exhaust?

Did you put new gaskets on ? (important, else it wont run)

do you have compression when you kickstart it?