RE: Lanier Yak
I agree with Maudib, the MVVS may be a powerful enigne, but I have a ZDZ 80 and two 3w 75iUS engines that all are spinning a mejzlik 26x10. I could hardly imagine a 60 cc turning it very well. I would recommend a 24x10 or x8.
Blue Skies & Fair Winds,
Rege