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1968 EVINRUDE FASTWIN 18HP - COLD START PROBLEMS
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<blockquote data-quote="Pappy" data-source="post: 471164" data-attributes="member: 3278"><p><span style="font-size: 18px">Does the fuel pump supply fuel to the carburetor throughout the RPM range? If so, leave it alone. </span></p><p><span style="font-size: 18px">The diaphragm in a fuel pump is not a valve! The diaphragm is the "pump" that oscillates back and forth with the positive and negative pulses provided by the crankcase. There are small umbrella valves in these pumps that open and close as they take advantage of the pulses provided by the diaphragm.</span></p><p><span style="font-size: 18px">Your initial post on here indicated that the engine ran great once it was started from a difficult cold start.</span></p><p><span style="font-size: 18px">I have given you quite a bit of information to go on. Each of your replies has evaded almost all of my questions or directions to you. In this section of the forum you will best be served by working WITH the folks with knowledge rather than around us. </span></p><p> <span style="font-size: 18px"></span></p><p><span style="font-size: 18px"></span></p></blockquote><p></p>
[QUOTE="Pappy, post: 471164, member: 3278"] [size=5]Does the fuel pump supply fuel to the carburetor throughout the RPM range? If so, leave it alone. The diaphragm in a fuel pump is not a valve! The diaphragm is the "pump" that oscillates back and forth with the positive and negative pulses provided by the crankcase. There are small umbrella valves in these pumps that open and close as they take advantage of the pulses provided by the diaphragm. Your initial post on here indicated that the engine ran great once it was started from a difficult cold start. I have given you quite a bit of information to go on. Each of your replies has evaded almost all of my questions or directions to you. In this section of the forum you will best be served by working WITH the folks with knowledge rather than around us. [/size] [/QUOTE]
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1968 EVINRUDE FASTWIN 18HP - COLD START PROBLEMS
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