Small Engine

Briggs & Stratton 450e Series

4-Stroke

The Briggs & Stratton 450e is a 125cc <!-- verify: briggsandstratton.com --> 4-stroke overhead-valve engine used in entry-level push mowers from Craftsman, Troy-Bilt, and Toro. It features ReadyStart primer-free cold-starting. The 450e uses a Walbro or Nikki carburetor <!-- verify: briggsandstratton.com --> and accepts a Champion RC12YC or equivalent spark plug. Routine maintenance items are the oil (SAE 10W-30), air filter, and spark plug, replaced annually or every 50 hours. The 450e is the entry point to B&S's modern consumer engine lineup and one of the most commonly serviced push mower engines at small engine shops.