I HAVE RECENTLY TAKEN OVER USING AND LOOKING AFTER A MF35. IT RUNS QUITE WELL BUT TODAY I NOTICED THAT OIL WAS COMING OUT OF AN OVERFLOW PIPE THAT RUNS FROM TOP OF ENGINE, ANT IDEAS WHATS GOING ON (WRONG)?
STOP YELLING, Unlock the cap lock button.
I think you need to do a compression test. You may have a cylinder or two that are bypassing. Bad Rings or a hole in the piston.