I have a 1998 Evinrude 4 HP Model # E4RCEC. It has 2 knobs on the front of it and a throttle on top. The knob on the left appears to be pull for choke and twist fuel on or off. The knob on the right twists and is for WHAT? I don't know what it is for. Also, if anyone has a idea of where you can...
