Bought a 1982 185S ran and smoked when bought it replaced bearings carb chain sprokets kill switch light and had too end rebuilt but now when pulling to start getting fire has new plug good compression any body knows what could be the problem let me know

 

timing???

 

Is it getting spark to the plug?
Timing could be off, if its not getting fuel or spark... Not sure what else with out looking at it or getting more info.