Hi Gerry, welcome to RIBnet.
That should be a well matched combo. Two Stroke Mick in Castlebar runs a slightly bigger version and speaks well of it, but he's not Merc powered. Have a nosy round the forum and use the search facility. I'd guess about 0.6L/Nm if you don't plant her.
There's a lot of very useful information on here,
...and then there's mine