1971 6hp Evinrude

[Jukka]

So I just replaced the coils in my 1971 6hp evinrude and it was running great, I turned it off for a minute to do something and when it fired back up it didnt run well in gear, it seemed bogged down, it will rev up in neutral but not forwards? Any ideas?

 

[jimmbo]

Pull the plugs and look at them. If they are good, do a compression test. Also verify that the spark can jump a 5/16" gap. What condition were the Points in, and were they gapped properly?

Don't rev it in Neutral, motors can and do blow up when doing that

 

[F_R]

If I were a gambling man, I'd bet the flywheel key sheared. Were the flywheel and shaft tapers absolutely clean and dry? Did you use a torque wrench to tighten the nut to 40-45 ft lbs? This is important.