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Thread: Hey dorfs!
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post #2 of (permalink) Old 10-06-1999, 08:51 PM
xjy173
 
Join Date: Sep 1999
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Re: Hey dorfs!

Have you checked thermostatic air cleaner flapper with the heat stove pipe from the exhaust manifold? If it is cool enough to close the choke when it starts, the engine will not idle properly with the cool ambient air. The flapper should be closed to the intake hose and open to the heat stove pipe which will draw warmed air from around the exhaust manifold after the engine starts. This helps the rich fuel mixture to evaporate completely (liquid gasoline doesn't burn) and thereby allowing the engine to idle smoothly despite being cold. When the engine warms up the flapper opens to the intake hose again and returns to normal operation.

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