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Author Topic: Idle screw  (Read 814 times)

Loomin

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Idle screw
« on: April 25, 2011, 12:12:50 PM »
In the manual it says:

CARBURETOR IDLE SPEED
Remove the inspection cover. Warm up the engine before this operation. Start the engine and connect a tachometer. Turn the throttle stop screw to obtain the specified idle speed.
Idle Speed: 1900  (plus or minus 100rpm)

Where do I attach the tach?
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Shaka

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Re: Idle screw
« Reply #1 on: April 25, 2011, 03:07:37 PM »
That refers to an inductive tachometer which has a pickup that goes around the spark plug wire.  It senses when the pulse runs through the spark plug wire and breaks the electromagnetic field created by the pickup.
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