Carb Adjustment Knob for 1949 Evinrude Sportsman model 4425
thingiverse
Had a broken carb knob on my old 1949 Evinrude Sportsman model 4425. Realized that it was probably going to be easier to draw and print something than try to find a replacement. Putting this out there in case any other people have one of these little engines and are in search of a knob since it controls the mixture and choke at the same time and is a bit tricky to do without this part. Note: The set screw hole is purposefully slightly undersized so that you can drill and tap it to match your set screw.
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