Briggs & Stratton
Lawn & Garden Engine

Model # 31H777-0202-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 31H777-0202-E1 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 260 parts  |

Lawn & Garden Equipment Engine Oil Filter (replaces 697547, 795890, Bs-696854) 696854
#1027

Cylinder head/gasket set diagram

Lawn & garden equipment engine oil filter (replaces 697547, 795890, bs-696854)

Part #696854

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Filter 697153
#445

Blower housing/air cleaner diagram

Filter

Part #697153

Replaced by #795115

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Manufacturer substitution
This part replaces 697153. Substitute parts can look different from the original.
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$25.73
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Lawn & Garden Equipment Engine Pre-filter (replaces 274874, Bs-697015) 697015
#967

Blower housing/air cleaner diagram

Lawn & garden equipment engine pre-filter (replaces 274874, bs-697015)

Part #697015

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Lawn & Garden Equipment Engine Exhaust Gasket (replaces 272293, 91309, Bs-692236) 692236
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
#187B

Sump/pump 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 Rocker Arm Cover Gasket (replaces 272475, 692285) 272475S
Lawn & garden equipment engine rocker arm cover gasket (replaces 272475, 692285)

Part #272475S

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Lawn & Garden Equipment Engine Crankcase Gasket 697110
Lawn & garden equipment engine crankcase gasket

Part #697110

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Lawn & Garden Equipment Engine Spark Plug (replaces Bs-691043) 691043
#337

Cylinder head/gasket set diagram

Lawn & garden equipment engine spark plug (replaces bs-691043)

Part #691043

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$7.27
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Carburetor 792358
#125A

Carburetor diagram

Carburetor

Part #792358

Replaced by #594593

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Manufacturer substitution
This part replaces 792358. Substitute parts can look different from the original.
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Snowblower Carburetor 796109
#125A

Carburetor diagram

Snowblower carburetor

Part #796109

Replaced by #594593

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Manufacturer substitution
This part replaces 796109. Substitute parts can look different from the original.
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Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

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Repair guides for gas snowblowers

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How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

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 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower chute control gearbox assembly

How to replace a snowblower chute control gearbox assembly

Replace the chute control gearbox on your snowblower if it's stripped or damaged.…

Repair difficulty
Time required
 15 minutes or less

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