a. Standard setting adjustment:
Find the Low Speed Adjusting Screw “L” (see Fig.9, inside
the upper hole of the carburetor seal cover), use a screw
driver to turn the screw L clockwise all the way to its end.
Then turn the screw L backwards (counter-clockwise)
360°.
b. Adjusting idling speed:
It is usually necessary to adjust the idle speed after
Standard setting adjustment (a). To adjust idle speed, start
the engine first.
● If the idle speed is too low, the engine may shut off
after starting. In this case, make the standard setting
first as instructed in (a), then turn the idle speed
adjusting screw LA (see Fig 9,) inside the lower hole of carburetor seal cover
clockwise until the blade starts to run. Then turn the screw LA backwards
(counter-clockwise) 1/4 circle (90°).
● If the idling speed is too high, the blade will run at idling speed, which is not
Fig 9
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