piaggio nrg will not start

my nrg wont start can any one help

i was riding my nrg and temperature gauge on speedo was on the highest it will go and was flashing and i went home and let it cool down then when i went to start it it wont start will my engine be sized? or could it be something else? please help

when was the last time you changed the coolant? sounds like you prob seized it.

well not seized it but i bet the rings are totally gone, you might only need a new head gasket but im betting the barrel needs a hone

ive never changed the coolant im going to get a new clinder kit for it do you reakon its done any damage to the rad or anything else

IF the engine won't turn over then it's seized.
Use the kick start to see if there's any or as much compression as there used to be, if not then it's new cylinder time