Model # 6HFB (309710 - 309900) Official Briggs & Stratton lawn & garden engine

Here are the diagrams and repair parts for Official Briggs & Stratton 6HFB-309710-309900 lawn & garden 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 196 parts |

#67307

Replacement parts diagram

Gskt mag std

Part #67307

$18.31

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#89966

Replacement parts diagram

Lawn & garden equipment engine muffler

Part #89966

$24.29

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#27391

Replacement parts diagram

Base gasket

Part #27391

$18.49

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#23230

Replacement parts diagram

Bushing

Part #23230

$17.06

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#68887

Replacement parts diagram

Needle

Part #68887

$30.40

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#62577

Replacement parts diagram

Washer flywheel

Part #62577

This item is not returnable

$6.66

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#92427

Replacement parts diagram

Connector

Part #92427

$13.34

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#23270

Replacement parts diagram

Screw v

Part #23270

$8.29

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#89289

Replacement parts diagram

Briggs & stratton psn assy std

Part #89289

$230.07

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#26229

Replacement parts diagram

Choke spring

Part #26229

$9.14

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Symptoms for gas walk-behind mowers

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

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Why does my lawn mower vibrate a lot?

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

Why does my lawn mower cut unevenly?

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

Why does my lawn mower run rough?

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

Why won't my lawn mower move?

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

Why won't my lawn mower start?

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

Why does my lawn mower stall?

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.

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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

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

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.

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Top questions about Sears and Sears PartsDirect

What are the main components of a lawn mower?

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

Model # 6HFB (309710 - 309900) Official Briggs & Stratton lawn & garden engine

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas walk-behind mowers

Why does my lawn mower vibrate a lot?

Why does my lawn mower cut unevenly?

Why does my lawn mower run rough?

Why won't my lawn mower move?

Why won't my lawn mower start?

Why does my lawn mower stall?

Repair guides for gas walk-behind mowers

How to rebuild a lawn mower carburetor

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

How to replace a lawn mower wheel

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

Top questions about Sears and Sears PartsDirect

What are the main components of a lawn mower?

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