1972 model had new crank bearings and cases but didn’t work untilupgraded with Superblend bearings, which make the 1973 Roadstersthe definitive 750’s (they even had decent points!) but they stillain’t as good as either the 650 or 850 twins. They don’t offervery good value for money as long distance work’s always somethingof an adventure (you never know what’s going to break next!).Some people insist they are the business.