Crossword Genius

Engine opening, inertia beaten with a kick-starter (9)

Ross

I believe the answer is:

airintake

'engine opening' is the definition.

'inertia beaten with a kick-starter' is the wordplay.
'beaten with' indicates an anagram.
'starter' suggests taking the first letters.
The first letter of 'kick' is 'k'.
'a'+'k'='ak'
'inertia' mixed up with 'ak' can make 'AIRINTAKE'.

I've seen this clue in The Guardian.
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