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    RDS23 andRDS27A; differences?

    My 40h RDS23 is giving me fits; (1961) and I am looking at a 40h RDS27A. (1965) They look identical, anyone know of any big changes during that 4 year span I should look for? I'd like to use the 1961 for parts for the 1965 if need be. Thanks. Andiemarie
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    Mercury 650 1968 65HP cylinder replacement

    Hello, we just acquired a 68 Larson boat with a 68 Mercury motor that needs work - the lower unit is fine but there is a hole in the cylinder wall cracked - is this obnoxiously difficult to replace ourselves? - also, the impeller is bad too. Would we be better off selling ours for parts and...
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    1961 40hp RDS-23 Johnson

    Hello - we have cleaned the carb - changed the starter on this one, put in new spark plugs - have a great manual for reference. When we have the motor hood off, it starts up pretty well, and as expected needs a little time to warm up. It won't go into full throttle, and lurches slow and fast...
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    Evinrude stiff controls, 1961

    I just purchased a Larson Playmate (1960) with a Johnson RDS-23 40hp motor and Evinrude controls. The shifting was really stiff, so we took apart the box to clean it out, lots of bugs and dirt, and grease that had turned to mud. What is the best lubricant/grease to pack back in there? Also...
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