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Evinrude Big Twin starting/running issues
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<blockquote data-quote="Pappy" data-source="post: 469558" data-attributes="member: 3278"><p><span style="font-size: 18px">What I can tell you is that the 1960 and 1961 40hp engines suffered a LOT of broken crankshafts. So.....some of the replacement powerheads that were being sent out <u>may</u> have had a physically larger crankshaft as well as a physically larger driveshaft. The 1962 40hp had the larger crank and driveshaft and was once again, bulletproof.</span></p><p><span style="font-size: 18px">You may or may not have the small crankshaft. If you do the 1959 should work. Put it on the taper and take a look at it. That is what I would do.</span></p><p><span style="font-size: 18px">Now, as far as the points open/closed position goes? That is controlled by the cam on the crankshaft. Flywheel has zero to do with that. </span></p><p><span style="font-size: 18px">The flywheel magnet location on the hub has a bunch to do with the way an engine runs though. See if you can tell a difference in location between the two flywheels you are looking at. </span></p></blockquote><p></p>
[QUOTE="Pappy, post: 469558, member: 3278"] [size=5]What I can tell you is that the 1960 and 1961 40hp engines suffered a LOT of broken crankshafts. So.....some of the replacement powerheads that were being sent out [u]may[/u] have had a physically larger crankshaft as well as a physically larger driveshaft. The 1962 40hp had the larger crank and driveshaft and was once again, bulletproof. You may or may not have the small crankshaft. If you do the 1959 should work. Put it on the taper and take a look at it. That is what I would do. Now, as far as the points open/closed position goes? That is controlled by the cam on the crankshaft. Flywheel has zero to do with that. The flywheel magnet location on the hub has a bunch to do with the way an engine runs though. See if you can tell a difference in location between the two flywheels you are looking at. [/size] [/QUOTE]
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