Attention! The position of limit screw 1 is set at the factory and this setting cannot be changed. If the screw has been turned, the adjustment must be made again.
Unscrew stop screw 1 until there is no space between stepped disc and | screw does not form a gap.
Carefully screw in the stop screw until it touches the stepped disc. From this position, screw in the screw an additional 1/4 turn.
Adjust the idle speed, check the CO content in the exhaust gases.
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