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

  • Jr. Member
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  • Posts: 32
  • Airplane Nut. Interested in anything mechanical.
  • Location: Greece
Re: M91 spray from inlet
« on: January 04, 2025, 02:34:55 pm »
Forgot to mention. I checked timing on the exhaust valve. It starts opening about 45 degrees before BDC, and is completely closed just after TDC.

Ignition timing is a little before TDC.

I have no idea about timing for these little hit & miss engines. I'm a complete noob. 

Hans
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