OK, looking at the books, I'm thinking it's the 1972-1973 Storebrand Premier, The pic looks like a 160cc engine to me.

The Muffler looks like a 1963-64 Corvette muffler, as for which muffler would have been original, I'm guessing Box Type, and the books agree, but the definitive answer would be found looking under the current muffler for a rectangular hole in the base for the box muffler exhaust to go down to the blades.


Cheers
Ty

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