31k oil pump - Is there any alternatives?

[soccersmyth]

Just noticed the oil pump on my 31k is stamped 4L1.

So surley cannot be the right pump,
but was working as it was running fine,
albiet a bit oily round barrels and headers when i stripped it down.

I am not gonna run premix so what are my choices

Would it be ok to use this pump when engine is rebuilt.
If so, what setting do i use.


Thanks in advance.

[midlifecrisisrd]

They are all marked 4L1, it's the colour of the dot on one of the screws that marks whether 250 or 350 although usually gone by now.

If it aint broke.......

Steve.