Briggs & Stratton
Lawn & Garden Engine

Model # 122T02-1012-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 122T02-1012-B1 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 143 parts  |

Lawn & Garden Equipment Engine Carburetor Primer Bulb (replaces 496115, Bs-694395) 694395

#976

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Lawn & garden equipment engine carburetor primer bulb (replaces 496115, bs-694395)

Part #694395

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Cap 699985

#957

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Cap

Part #699985

Replaced by #796577

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Manufacturer substitution
This part replaces 699985. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Recoil Starter Rope (replaces 692259) 697316

#58

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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

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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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Air Cleaner Gasket 272653S

#163

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Air cleaner gasket

Part #272653S

Replaced by #795629

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This part replaces 272653S. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Ignition Coil 802574

#333

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Lawn & garden equipment engine ignition coil

Part #802574

Replaced by #590454

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This part replaces 802574. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Fuel Tank (replaces 693377, Bs-699374) 699374

#972

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Lawn & garden equipment engine fuel tank (replaces 693377, bs-699374)

Part #699374

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Lawn & Garden Equipment Engine Flywheel Key (replaces 222698, 690974, Bs-222698s) 222698S

#24

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Lawn & garden equipment engine flywheel key (replaces 222698, 690974, bs-222698s)

Part #222698S

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Lawn & Garden Equipment Engine Air Filter (replaces 493537, 691706, Bs-493537s) 493537S

#967

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Lawn & garden equipment engine air filter (replaces 493537, 691706, bs-493537s)

Part #493537S

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Lawn & Garden Equipment Engine Air Filter Base (replaces 792040) 795259

#966

All parts diagram

Lawn & garden equipment engine air filter base (replaces 792040)

Part #795259

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Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…