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  1. J

    1st attempt on simple conversion of 1973 evinrude 25hp to 30/35hp using carb and manifold mods

  2. J

    1st attempt on simple conversion of 1973 evinrude 25hp to 30/35hp using carb and manifold mods

    Hey what’s up brethren…. I’m attempting a conversion on 1973 25hp evinrude to 30/35hp using bigger 25/30hp(?) carb off early 80’s Johnson and increasing intake manifold orifice size. I’m learning about engines and particularly these outboards 1 engine at a time as I trade and buy them and fix...
  3. J

    johnson 25hp change upto 30hp and 35hp by changing venture on carby

    Ok I’m gonna start new thread Tim standby sir. I’ll name it “1st attempt on conversion on 1973 evinrude 25hp to 30/35hp using carb and manifold mods”
  4. J

    johnson 25hp change upto 30hp and 35hp by changing venture on carby

    Photos won’t attach for some reason. Dang.
  5. J

    johnson 25hp change upto 30hp and 35hp by changing venture on carby

    Hey folk. New to posting, but have greatly benefitted from the information exchanges in this forum so would like to say thank you all for contributing and very thoroughly and digestible more times than not. Just wanted to share my experience in this endeavor. I’m currently working on a ‘73 rude...
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