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Author Topic: M91 spray from inlet  (Read 1959 times)

  • Jr. Member
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  • Posts: 32
  • Airplane Nut. Interested in anything mechanical.
  • Location: Greece
Re: M91 spray from inlet
« Reply #15 on: January 05, 2025, 09:46:15 am »
Have to say, the spray coming from the inlet is a lot less. After running it a bit it's hardly noticeable.

Maybe the ignition timing did the trick ? Maybe the inlet valve seated itself better after some run time ?

Still a bit of a mystery to me, these little engines.
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