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Author Topic: M91 spray from inlet  (Read 1971 times)

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Re: M91 spray from inlet
« on: January 05, 2025, 12:00:21 am »
Quote from: hdebruin on January 04, 2025, 12:40:42 pm
.... spray coming from the inlet ('carburettor') during the hits....

It could be combustion pressure leaking past the closed intake valve and blowing out through the carburetor.  The fix would be to lap the intake valve.
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