Briggs & Stratton
Lawn & Garden Engine

Model # 121S02-2025-F1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 121S02-2025-F1 engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 189 parts  |

Lawn & Garden Equipment Engine Recoil Starter Rope (replaces 692259) 697316
#58

Flywheel/blower housing diagram

Lawn & garden equipment engine recoil starter rope (replaces 692259)

Part #697316

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Lawn & Garden Equipment Engine Fuel Line (replaces 1734994sm, 327290ma, 691050, 7012638yp, 7032016yp, 7032956yp, 7041996yp, 7076272yp, 7077351yp, 791866, 798512, 809322, 809499) 791766
#187

Fuel tank diagram

Lawn & garden equipment engine fuel line (replaces 1734994sm, 327290ma, 691050, 7012638yp, 7032016yp, 7032956yp, 7041996yp, 7076272yp, 7077351yp, 791866, 798512, 809322, 809499)

Part #791766

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Lawn & Garden Equipment Engine Spark Plug 692051
Lawn & garden equipment engine spark plug

Part #692051

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Lawn & Garden Equipment Engine Recoil Starter Handle (replaces 281434, 691930, 795426, Bs-281434s) 281434S
#60

Flywheel/blower housing diagram

Lawn & garden equipment engine recoil starter handle (replaces 281434, 691930, 795426, bs-281434s)

Part #281434S

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This item is not returnable
$6.34
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Lawn & Garden Equipment Engine Carburetor Float (replaces Bs-398187) 398187
#133

Carburetor diagram

Lawn & garden equipment engine carburetor float (replaces bs-398187)

Part #398187

This item is not returnable
$11.96
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Lawn & Garden Equipment Engine Washer 271716
#276

Carburetor diagram

Lawn & garden equipment engine washer

Part #271716

This item is not returnable
$6.19
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Lawn & Garden Equipment Engine Air Filter Collar Gasket (replaces 273364, Bs-691894) 691894
Lawn & garden equipment engine air filter collar gasket (replaces 273364, bs-691894)

Part #691894

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$6.89
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Lawn & Garden Equipment Engine Spark Plug Wire Terminal (replaces 493880, 691234, Bs-493880s) 493880S
#851

Armature magneto diagram

Lawn & garden equipment engine spark plug wire terminal (replaces 493880, 691234, bs-493880s)

Part #493880S

This item is not returnable
$4.75
17% OFF Phone Price : $5.75
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Lawn & Garden Equipment Engine Fuel Line Clamp 791850
#601

Fuel tank diagram

Lawn & garden equipment engine fuel line clamp

Part #791850

This item is not returnable
$4.74
17% OFF Phone Price : $5.74
In Stock
Lawn & Garden Equipment Engine Air Filter 796254
#967

Air cleaner diagram

Lawn & garden equipment engine air filter

Part #796254

This item is not returnable
$11.29
15% OFF Phone Price : $13.29
In Stock

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Main causes: frozen or clogged defrost drain tube, cracked water system tubing...

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water...

Repair difficulty
Time required
15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa...

Repair difficulty
Time required
15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost....

Repair difficulty
Time required
15 minutes or less

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