Hi - Newby here. Is there a definitive list of engine numbers for the Le Mans motor?
Many thanks
Hi and welcome
Engine numbers, there is no list. Frame numbers there are lists, but they don’t prove to be terribly reliable.
Have a look here
http://www.thisoldtractor.com/guzzitech.dk/gb_en_technical_moto-guzzi-frame-numbers.htm
and here
https://www.mgcn.nl/database/mg-framenummers