Briggs & Stratton 21hp TWIN Engine Swap on Racing Mower
I swapped the 16hp OHV single-cylinder engine on the racing mower to a 21hp opposed twin and put the 16hp single-cylinder back on the Donor offroad mower. The twin also runs open headers and it sounds awesome! Racing Mower Playlist: • New Project! | Racing Lawn Mower Build #1 Donor Lawn Mower: • Driving a BARE FRAME Lawn Mower! Thanks for watching!
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