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1972 25hp Evinrude problem.
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<blockquote data-quote="Boat2fast" data-source="post: 372530" data-attributes="member: 13358"><p>The maximum spark advance, on these engines, is set by the interlock lever. The points plate advances until it contacts the lever. That's all you get. Not adjustable. The manual gives a brief procedure for syncing the carb to the points plate. </p><p></p><p>Simply put...there are two marks on the throttle cam. With the roller between the marks the throttle is closed. The throttle just starts to move as the roller passes the second mark. </p><p></p><p>I have the odd year manuals. Your 72 is the same as the 1971, slightly different from the 1973. Monday I will be home and can post the procedure from the 1971 book.</p></blockquote><p></p>
[QUOTE="Boat2fast, post: 372530, member: 13358"] The maximum spark advance, on these engines, is set by the interlock lever. The points plate advances until it contacts the lever. That's all you get. Not adjustable. The manual gives a brief procedure for syncing the carb to the points plate. Simply put...there are two marks on the throttle cam. With the roller between the marks the throttle is closed. The throttle just starts to move as the roller passes the second mark. I have the odd year manuals. Your 72 is the same as the 1971, slightly different from the 1973. Monday I will be home and can post the procedure from the 1971 book. [/QUOTE]
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1972 25hp Evinrude problem.
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