My first thread, so as one of many questions is, in the process of my Norvin build with comet engine, and the build of a twin for the rapide. The comet
engine has a new 9-1 piston to be fitted. How important is it that i have these cranks balanced and by whom. Thanks Martin
engine has a new 9-1 piston to be fitted. How important is it that i have these cranks balanced and by whom. Thanks Martin