Cryptic crossword clue
Motorbike prevailing without power greatly increasing 11

The most common and most likely answer to this crossword clue is the 11 letter word QUADRUPLING

I've seen this crossword clue in The Times
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Buddy explains!

The straight part
We know that "greatly increasing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case greatly increasing = quadrupling.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does QUADRUPLING mean?

QUADRUPLING verb
  1. To multiply by four.
  2. To increase by a factor of four.
  3. To provide four parallel running lines on a given stretch of railway.
QUADRUPLING noun
  1. An act of quadrupling.

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