The only difference I can find between the Briggs 28 hp 49L977-0125-G5 28 hp CLICK HERE
and the Briggs 30 hp 49M877-5598-G5 CLICK HERE is the main jet. Part # 117 in the carb.
Part Number #117 Briggs and Stratton 842633 Jet-Main ((Standard)) Your price: $10.55
Unless I missed something. Please let me know if you find anything.
