Black Devil Low Speed Screw Adjustment

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Uploaded by on Aug 18, 2007

How to adjust the idle (low speed screw) to achieve a smooth idle on your Black Devil. Idle speed adjusted to 1800 RPM.

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Autos & Vehicles

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Uploader Comments (davefromhowell)

  • Thanks Dave! That's invaluable information. I'm going to go out and do that right now.  Paul

  • No problem. FYI, I soldered an extension on my low speed screw to make it easy to reach in and adjust it by hand.

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  • Use pure fuel and your problems will end and your engine will last longer.

  • Thanks for the video, I have a hard time with my black devil too .Also, my carburetor get`s cloaked with stuff after only 2-3 hours of flight, with a new gas filter too . Do you people have the same problems ?And one more : it seems that my engine looses power after 45 min of flight, it doesn`t accelerate as fast as like in the begging of the flight . If you experienced the same problems maybe you can save some of my time and tell me the solutions ! thank you ! Regards !

  • Worked great for my MZ34. Thank you.

  • This really helped me thank you very very much ar eyou planning any more?

  • yeah good video, but it still ain't that smooth. after all its a big single..... but thats good instruction

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