Originally posted by w8ye
The OS 46 FX is current production. They are a fine engine too. However, they sometimes have a quality problem with the cylinder peeling. This problem is variable. You may get one that runs forever and is the greatest engine ever built. But you could also have cylinder failure after failure.
Jim, I thought that the cylinder liner peeling issue was solved and that all 46FXs produced in the last couple of years are good to go...