Small electric generator (7)
I believe the answer is:
magneto
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small electric generator</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for magneto that I've seen before include "Small type of generator" , "Ignition apparatus" , "Ignition device" , "car component" , "Small electric generator" .)