Timing belt when to change it?

[glanzadude]

Lads i am thinking of replaceing the timing belt on my 1992 gt starlet 14000kms as i dont think it was ever done. whats it like to do yourself? what will happen if it snaps will that fxck the engine?Thanks 

[Ryan.Truesdale]

timing belt is fairly simple to do yourself 

4E engines have a non interference head so if it the belt snaps no damage is cause