Re: Looking for parts for a late 40’s early 50’s model 2.5 hp Home › Forum › Ask A Member › Looking for parts for a late 40’s early 50’s model 2.5 hp › Re: Looking for parts for a late 40’s early 50’s model 2.5 hp stevehUS Member - 1 Year (includes $3 online payment fee)Replies: 127Topics: 26 July 6, 2018 at 1:32 pm #79110 The motor ID will be stamped on the right side of the motor. You can see it if you look up under the lower cowl.