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850 Professional Series Vertical Engine 121Q022025F1

Briggs and Stratton Engines 850 Professional Series Vertical Engine

Part#: 121Q022025F1

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850 Professional Series Vertical Engine

Fits Model


Replaces OEM

Briggs and Stratton Engines 121Q02-2025-F1


Grade Residential
Bore: 2.69 inches
Stroke: 2.04 inches
Oil Capacity: 20 fl. oz
Engine Fuel: Gasoline
Cylinders: 1
Air Cleaner: Dual Element Oval
Bearings: Plain PTO
Bore Type: Sleevebore
Crankshaft Number: 799214
Cylinder Head: Aluminum with Cast Iron Sleeve
Dipstick: Opposite Carb Side
Oil Drain: Opposite Carb Side
Flywheel: Light Non-Electric Start and Non-Alt
Fuel System: Fresh Tethered Fuel Tank
Governor: Mechanical Governor
Ehaust: Performance with Tube Outlet Installed Muffler
Starting: Rewind, position 5:30 O'Clock
Warranty: 2 Year Limited Consumer Warranty
ReadyStart® system makes starting easier, no prime, no choke
Dura-Bore™ cast iron cylinder sleeve for extended life
Certified to CARB Tier III and meets EPA 2012 Phase 3 standards
Maintenance-free Magnetron® electronic ignition for quick, dependable starts
Shaft Size 25mm x 3-5/32"
Equipment Type Walk Behind Mower
Power 8.5 Gross Torque
Displacement 190cc

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