Home › Forum › Ask A Member › K case I.D. no casting numbers › Re: K case I.D. no casting numbers
November 12, 2017 at 3:43 am
#67289
It’s either a Mercury Mark 15 or 20. Most likely a Mk-20 as there were a lot more of them built. The boss on the starboard side is for mounting the linkage for the throttle/magneto. The boss on the port side is for the air pressure pump for the pressure tank.
Steve