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  1. P

    Reduced speed under load

    Thank you for helping me sort through the “shift” topic. Do you have suggestions to order carb rebuild kits and any needed tools?
  2. P

    Reduced speed under load

    I really apologize. I just rechecked the model number and it is in fact 50373R. Again my apologies for the confusion. Thanks!
  3. P

    Reduced speed under load

    I may be incorrect about the electric shift. But I can confirm that the motor model number is 50573R and the two manuals (service and parts catalog) say 1973 and match the model number. Thank you!
  4. P

    Reduced speed under load

    Hey everyone. Thank you for the information. I have not cleaned or rebuilt the carbs. I do have the service manual and parts catalog for the engine. Do you have suggestions for where to order a carb kit and if any special tools are needed? To respond to other comments: I’m not sure about the...
  5. P

    Reduced speed under load

    Hello everyone. I have a 1973 Evinrude Lark 50hp, model 50573, electric shift on an old MonArk boat. Got the motor running for the first time in a few years a month or two ago by Originally putting in new spark plugs. But I experienced the boat not getting up to speed or plane, and bogging down...
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