21 in. Self-Propelled Electric Start Gas Lawn Mower with Briggs & Stratton Engine. For homeowners seeking a reliable mower that is budget-friendly and has features that make mowing easier. Lawn-Boy is easy to handle, but hard to beat.
Choose the right fuel for your lawn mower. For best starting results use Non-ethanol fuel with an octane rating of 87 or higher. Use fresh fuel less than 30 days old, add fuel stabilizer to reduce starting problems. Do not mix oil with gas.