850 Professional Series 190cc Vertical Engine
Briggs & Stratton 121Q02-2025-F1

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This genuine 190cc Briggs & Stratton single cylinder engine offers dependable power for your equipment needs. With a power rating of 8.50 gross torque, this engine features a premium Dual Clean air filtration system, recoil starter, and maintenance-free Magnetron electronic ignition. With a manufacturer limited warranty of 2 years consumer use / 1 year commercial use, Briggs & Stratton provides power that you can trust. This engine includes a Dura-Bore cast iron cylinder sleeve for extended life. This engine includes an installed muffler. This engine includes a fuel tank.

BrandBriggs & Stratton
Part/Model Number121Q02-2025-F1
Engine FuelGasoline
Top No Load SpeedSet Engine No-Load Speed to 3100 +/- 100 RPM
Oil Capacity20 fl oz
Air CleanerDual Element Oval
Air Cleaner CoverSatin Black
BearingsPlain PTO
Blower HousingSatin Black
Bore TypeSleeve Bore
Bore Size2.688"
Casing ClampsCasing Clamp & Screw Loose
Controls GroupsControl Group 82, Model Quantums
Cylinder HeadAluminum w/ Cast Iron Sleeve
DipsticksOpposite Carb Side
Oil DrainOpposite Carb Side
FlywheelNon-Electric Start & Non-Alternator
Fuel SystemFuel Fresh Tethered
ExhaustPerformance w/ Tube Outlet Installed (Small)
Spark PlugResistor
Starting SystemRecoil
Shaft Diameter25mm
Shaft Length3-5/32"
Woodruff Keys2