Re: superh too rich

Posted by Bob M on August 14, 2006 at 04:42:41 from (151.190.254.108):

In Reply to: superh too rich posted by thirsty deere on August 13, 2006 at 19:41:50:

Several possibilities:

1 – Float level is set too high.

2 - The tip of the power screw is worn or bent so it does not properly restrict gas flow into the metering orifice (seat). Or a wrong (too short) power screw is installed.

3 – The carb has a main metering seat for distillate/kerosene (389 784 R1) installed instead of for gasoline (358 085 R1).

Screwing the power screw all the way to the seat on a good carb should lean the mixture sufficiently to cause the engine to stumble and even stall when the throttle is suddenly opened.

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