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Evinrude Big Twin starting/running issues
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<blockquote data-quote="Shaugh" data-source="post: 469586" data-attributes="member: 19781"><p>If a motor starts and runs you likely don't have far to go.... Tell us about the fuel pump ? Original ? Rebuilt ? Cheap replacement ?</p><p></p><p>comparing the part numbers:</p><p></p><p>https://www.marineengine.com/parts/johnson-evinrude-parts.php?year=1959&hp=35&model=RDSL-21&manufacturer=Johnson&section=Magneto+Group</p><p></p><p>https://www.marineengine.com/parts/johnson-evinrude-parts.php?year=1961&hp=40&model=RDS-23&manufacturer=Johnson&section=Magneto+Group</p><p></p><p></p><p>There are differences in many parts. This could be caused by the mid year crankshaft changes, but it's also possible that there are subtle differences in several parts. An engineering driven company like OMC doesn't just change a part number without some valid reason, so If simple methods don't work to get it going, it could very well be some subtle difference in parts that were used on your rebuild. Note that even the throttle cams are different part numbers.....interesting...</p></blockquote><p></p>
[QUOTE="Shaugh, post: 469586, member: 19781"] If a motor starts and runs you likely don't have far to go.... Tell us about the fuel pump ? Original ? Rebuilt ? Cheap replacement ? comparing the part numbers: https://www.marineengine.com/parts/johnson-evinrude-parts.php?year=1959&hp=35&model=RDSL-21&manufacturer=Johnson§ion=Magneto+Group https://www.marineengine.com/parts/johnson-evinrude-parts.php?year=1961&hp=40&model=RDS-23&manufacturer=Johnson§ion=Magneto+Group There are differences in many parts. This could be caused by the mid year crankshaft changes, but it's also possible that there are subtle differences in several parts. An engineering driven company like OMC doesn't just change a part number without some valid reason, so If simple methods don't work to get it going, it could very well be some subtle difference in parts that were used on your rebuild. Note that even the throttle cams are different part numbers.....interesting... [/QUOTE]
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