Carbureting or Carburetting: How To spell?
The word Carbureting is misspelled against Carburetting, which is present continuous of "Carburet"
Carburetting has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings carbure & ing which should not be misspelled with single 'T'
Wrong Spelling:  carbure-t-ing  Correct Spelling:  carbure-tt-ing 
Check more misspelled words of Carburetting to spell it correct.