You should be able to knock the in out with a small punch. One end of the pin is knurled to hold it in place (can’t tell you which end) so it takes a bit to get it moving. You could also drill it out if you can drill close to center of the pin but I’d try the punch first.
Bob
1937 Champion D2C Deluxe Lite Twin
1954 Johnson CD-11
1955 Johnson QD-16
1957 Evinrude Fastwin 18
1957 Evinrude 3022
1958 Johnson QD-19
1958 Johnson FD-12
1959 Johnson QD-20
“Every 20 minute job is only a broken bolt away from a 3-day project.”
"Every time you remove a broken or seized bolt an angel gets his wings."