Briggs & Stratton
Lawn & Garden Engine

Model # 31N707-0430-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 31N707-0430-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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ALL PARTS
Showing 10 of 173 parts  |

Filter 394358

#240

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Part #394358

Replaced by #394358S

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Manufacturer substitution
This part replaces 394358. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Starter Drive Assembly 693699

#510

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Lawn & garden equipment engine starter drive assembly

Part #693699

Replaced by #593934

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Manufacturer substitution
This part replaces 693699. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Starter Motor 693551

#309

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Lawn & garden equipment engine starter motor

Part #693551

Replaced by #593934

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Manufacturer substitution
This part replaces 693551. Substitute parts can look different from the original.
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Gasket 272475

#1022

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Gasket

Part #272475

Replaced by #272475S

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Manufacturer substitution
This part replaces 272475. Substitute parts can look different from the original.
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Carburetor 698445

#125

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Carburetor

Part #698445

Replaced by #594593

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Manufacturer substitution
This part replaces 698445. Substitute parts can look different from the original.
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Magneto 492341

#333

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Magneto

Part #492341

Replaced by #591459

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Manufacturer substitution
This part replaces 492341. Substitute parts can look different from the original.
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Gasket 699168

#7

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Gasket

Part #699168

Replaced by #794114

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Manufacturer substitution
This part replaces 699168. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Flywheel Assembly (replaces 697853, 699708, 794436, 796083) 796201
Lawn & garden equipment engine flywheel assembly (replaces 697853, 699708, 794436, 796083)

Part #796201

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Fan Flywheel 699043

#1005

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Fan flywheel

Part #699043

Replaced by #796201

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This part replaces 699043. Substitute parts can look different from the original.
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Kit-valve Ov 690190

#1095

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Kit-valve ov

Part #690190

Replaced by #794152

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Symptoms for gas walk-behind mowers

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

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

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

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

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…

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

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 replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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

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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.…