How do u set timing on a taotao ata 125d

 

open circular cap on head and will reveal chain there is normanly a little dot or t shape mark that u join up and also thak of cassing around flywheel and line up the marking on that to ,if the to dont join up at same time ur timing is of

 

if its backfiring try the head bolts may be loose that's what was wrong with my nephews