I am currently investigating Putoline to stock as replacement oil. You need a SAE 50 weight oil in the MVVS engines.
Do not think lightly about it if an engine churns out about 17 horses per liter per 1000 rpm on a cantilever crank construction. DA is'nt even close to that.
PS shelf life is not to be overrated. You can easily store a jug of oil for two years.