My 1960s cafe racer (years ago!) had oil injection. Some engines do have oil injection and just inject it into the inlet port, but in this engine it was deliver

My 1960s cafe racer (years ago!) had oil injection. Some engines do have oil injection and just inject it into the inlet port, but in this engine it was delivered directly to the crank bearings. From there it was flung all over and ultimately burned. Anyway, as the saying goes on the lost continent of Perl: "There's More Than One Way To Do It".