Hello all, i just picked up a slim line and having difficulty identifying engine. From the research i have done, it appears heads are from the P11. Heads are stamped with serial 24237. Sound correct?
Regarding engine, it is stamped with 20 / 122093 / P. Now, its my understanding the 20 refers to Atlas, but can anyone help me identify remaining?
Thanks so much.
#1. "RE: Help with identification." In response to Reply # 0
The part number you state does not sound familiar as a norton twin head.
I have some info here that might help you identify the head.
I am unaware of the low production twins having different parts except possibly for the primary bolt on pattern.
20 is the code for 750 atlas vintage motors.
I forget when 20M took over... then 20M3 is early commando