What is the proper compression range on a 1965 Honda CL77 motorcycle engine?

I'm buying a restored '65 Honda CL77 motorcycle and want to run a compression test on the motor to see if it is in good condition.What is the proper compression range on a 1965 Honda CL77 motorcycle engine?A 305 Scrambler should have from 140 to 170 PSI. Do a try test first....then do a wet test for rings.What is the proper compression range on a 1965 Honda CL77 motorcycle engine?IT has to be over a hundred if not it will not fire.