looking at one on the cl and i cant find any info or history on them other than the maker was sued by donzi in the 70s for making copys of donzi's sweet 16 with the vance name and called it a vance sweet sixteen identical to the donzi hull. there is nothing about the other hulls or molds he made...
just bought honda 15hp on cl. seems seller transported it on its back when i got it home and took off cowl there was oil on side and back of inside cowl went to pull manual start it appeared siezed took out plugs and about a 1/4 cup of oil came out lower cylander also noticed sum oil at carb...