Re: PO-15 Compression Relief

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November 8, 2016 at 1:22 am #47146
George Emmanuel
Participant

    US Member

    Nope, it prevents a charge of fuel/air from entering the cylinder and allows the mixture concentrated in the crankcase to go to the other cylinder.

    As an FYI, you can start that engine without using the compression release, but I like using it, especially when the engine is cold. I’ll crank mine up and idle a bit before closing the valve. That seems to prevent a stall when getting away from the dock.

    George