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Bottom line what and where are the 915 crankcase pressure limits?

I am trying to get smart on the 100Hr inspection. A new item in that inspection is the crankcase pressure check. It references the IM which i did find but it doesnt tell me the limits and refers me to the OM. In the OM I cant find the crankcase pressure limits. What am I missing guys?

  • Re: Crankcase pressure check

    by » one hour ago


    I don’t see it in the 915 manual either, but it is in the 916 manual.  Given the similarity of these engines, I suspect the same pressure limit applies.  I have found the 916 manual has covered a number of things omitted in the 915 manual.  For example, the 916 manual has a much better wiring schematic.

    ”The pressure in the crankcase at (full throttle) must not exceed the prevailing ambient pressure by more than 0.3 bar (4.35 psi) at 50 °C (122 °F) oil temperature.”


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