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  1. J

    Envinrude 4425

    Thanks. I'm still holding out for someone to get me some photos of one that's original. Maybe I'll get lucky!
  2. J

    Envinrude 4425

    I'm guessing that the choke is similar to throttle as far as linkage. The speed adjustment lever just pushes against the throttle to increase speed or decrease. The choke tang probably makes contact near the guide to close butterfly, then when knob is turned clockwise, the choke returns to...
  3. J

    Envinrude 4425

    This is the view I need of one that has the guide, knob w/tang, etc.. My choke has the return spring which seems to work fine.
  4. J

    Envinrude 4425

    So it looks like I could need several parts. The guide-choke link, choke detent spring, and choke shutter return spring. Also, a picture of the tang at the back of the knob. I'm assuming I'll never find an original knob, so I would have to try to fabricate one. A picture is a must. I'd like...
  5. J

    Envinrude 4425

    The "carb adjusting knob", as referred to in the instructions, is no doubt the same as air mixture. On the left side of the carb, the end of the choke butterfly shaft sticks out with the little lever on it. The following is copied from a Sportsman pdf file, "For carburetion, the Sportsman used...
  6. J

    Envinrude 4425

    Been there. So far, no help.
  7. J

    Envinrude 4425

    Although I'm not too concerned about the mfg date, thanks anyway. I'm really after details of the choke linkage to the carb adjustment knob. I have detailed assembly drawings, but they don't show anything on the carb.
  8. J

    Envinrude 4425

    I've searched the forums and found quite a few old posts on 4425's, mostly trying to figure out the year of manufacture. My 4425 (serial #00158) is in pretty decent shape, and runs great. The only issue is that the original knob on front was replaced with what is probably an old TV knob, and...
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