Mariner 115, 1989 - S/N 0B131304 Starts fine and runs up to 2,800 RPM. Starts missing at that point. New plugs, rebuilt fuel pump, new hose and bubble pump, new gas - no impact. Checked coils with volt meter. Only 1 of 6 coils in specs at 300-1,000 RPM and it was not stable. Voltage ran...
