Briggs & Stratton
Lawn & Garden Engine

Model # 21R707-0145-G1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 21R707-0145-G1 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 161 parts  |

Lawn & Garden Equipment Engine Exhaust Gasket (replaces 272293, 91309, Bs-692236) 692236
#883

Exhaust diagram

Lawn & garden equipment engine exhaust gasket (replaces 272293, 91309, bs-692236)

Part #692236

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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

Carburetor & fuel supply 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 Carburetor Rebuild Kit (replaces 698787, 790032, Bs-699521, Bs-796184) 796184
#121

Carburetor & fuel supply diagram

Lawn & garden equipment engine carburetor rebuild kit (replaces 698787, 790032, bs-699521, bs-796184)

Part #796184

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Lawn & Garden Equipment Engine Breather Tube (replaces 697113, Bs-794683) 794683
#11

Cylinder diagram

Lawn & garden equipment engine breather tube (replaces 697113, bs-794683)

Part #794683

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This item is not returnable
$15.09
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Lawn & Garden Equipment Engine Spark Plug Boot (replaces 280872) 691909
#635

Cylinder head diagram

Lawn & garden equipment engine spark plug boot (replaces 280872)

Part #691909

This item is not returnable
$7.19
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In Stock
Lawn & Garden Equipment Engine Governor Spring (replaces 262785) 691842
#232

Controls diagram

Lawn & garden equipment engine governor spring (replaces 262785)

Part #691842

This item is not returnable
$19.09
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Lawn & Garden Equipment Engine O-ring (replaces 281106, 697891) 691917
#1266

Blower housing/air cleaner diagram

Lawn & garden equipment engine o-ring (replaces 281106, 697891)

Part #691917

This item is not returnable
$6.89
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Lawn & Garden Equipment Engine Starter Pinion Gear Retainer Ring (replaces 263080) 691265
Lawn & garden equipment engine starter pinion gear retainer ring (replaces 263080)

Part #691265

This item is not returnable
$8.99
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Lawn & Garden Equipment Engine Wire Harness (replaces Bs-698329) 698329
#789

Controls diagram

Lawn & garden equipment engine wire harness (replaces bs-698329)

Part #698329

$55.89
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In Stock
Lawn & Garden Equipment Engine Hex Screw (replaces 690960, 692126, 697551, 94744, Bs-691108) 691108
#914

Cylinder head diagram

Lawn & garden equipment engine hex screw (replaces 690960, 692126, 697551, 94744, bs-691108)

Part #691108

This item is not returnable
$5.09
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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: punctured tire, damaged rim…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: dirty carburetor, stale fuel…

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty
Time required
 15 minutes or less
How to rebuild a snowblower carburetor

How to rebuild a snowblower carburetor

Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…

Repair difficulty
Time required
 45 minutes or less

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What are the main components of a lawn mower?

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