Briggs & Stratton
Lawn & Garden Engine

Model # 121Q02-0064-F1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 121Q02-0064-F1 engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 167 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

BEST SELLER
$7.50
12% OFF Phone Price : $8.50
In Stock
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

BEST SELLER
$9.59
9% OFF Phone Price : $10.59
In Stock
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

BEST SELLER
This item is not returnable
$6.34
14% OFF Phone Price : $7.34
In Stock
Lawn & Garden Equipment Engine Spark Plug 591039
Lawn & garden equipment engine spark plug

Part #591039

This item is not returnable
$8.59
10% OFF Phone Price : $9.59
In Stock
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

This item is not returnable
$6.89
13% OFF Phone Price : $7.89
In Stock
Lawn & Garden Equipment Engine Spark Plug Wire Terminal (replaces 493880, 691234, Bs-493880s) 493880S
#851

Alternator/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
In Stock
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
Lawn & Garden Equipment Engine Crankshaft Oil Seal (replaces 399781, 691989, Bs-399781s) 399781S
#20

Sump/engine gasket set diagram

Lawn & garden equipment engine crankshaft oil seal (replaces 399781, 691989, bs-399781s)

Part #399781S

This item is not returnable
$11.11
15% OFF Phone Price : $13.11
In Stock
Lawn & Garden Equipment Engine Intake Gasket 796596
Lawn & garden equipment engine intake gasket

Part #796596

This item is not returnable
In Stock

Symptoms for electric cooktops

Main causes: broken surface element, surface element switch failure, control system problem, surface element limiter swi…

Repair guides for electric cooktops

How to replace a coil surface element on an electric cooktop

How to replace a coil surface element on an electric cooktop

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

Repair difficulty
Time required
 15 minutes or less
How to replace a radiant element on an electric cooktop

How to replace a radiant element on an electric cooktop

Follow these step-by-step instructions to replace a damaged radiant element on your electric cooktop when the element wo…

Repair difficulty
Time required
 45 minutes or less
How to replace the glass top on an electric cooktop

How to replace the glass top on an electric cooktop

Don't use a cracked or damage glass cooktop—replace it, using these instructions to guide you.…

Repair difficulty
Time required
 30 minutes or less

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

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.…