Lawn & Garden Engine

Model # 170400 TO 170499 (1785-01 - 1785-01 Official Briggs & Stratton gas engine

Here are the diagrams and repair parts for Official Briggs & Stratton 170400 TO 170499 (1785-01 - 1785-01 gas engine, as well as links to manuals and error code tables, if available.

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170400 TO 170499 (1785-01 - 1785-01 Gas Engine
Flywheel Key 61760

#24

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Flywheel key

Part #61760

Replaced by #222698S

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Manufacturer substitution
This part replaces 61760. Substitute parts can look different from the original.
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$3.29
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Plug Oil Fil 66768

#21

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Plug oil fil

Part #66768

Replaced by #281658S

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Manufacturer substitution
This part replaces 66768. Substitute parts can look different from the original.
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$5.79
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Sprng Gvrnr 260695

#209

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Sprng gvrnr

Part #260695

Replaced by #796260

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Manufacturer substitution
This part replaces 260695. Substitute parts can look different from the original.
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$8.09
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Clutch Assembly 298798

#66

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Clutch assembly

Part #298798

Replaced by #399671

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Manufacturer substitution
This part replaces 298798. Substitute parts can look different from the original.
$40.49
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Carb Kit 291763

#121

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Carb kit

Part #291763

Replaced by #394693

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Manufacturer substitution
This part replaces 291763. Substitute parts can look different from the original.
$41.19
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Screw Cyl Hd 93211

#13

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Screw cyl hd

Part #93211

Replaced by #592244

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Manufacturer substitution
This part replaces 93211. Substitute parts can look different from the original.
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$6.49
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Lock Nut 261409

#302

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Lock nut

Part #261409

Replaced by #690837

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This part replaces 261409. Substitute parts can look different from the original.
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$4.69
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Screw Mtg 93158

#305

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Screw mtg

Part #93158

Replaced by #692198

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Manufacturer substitution
This part replaces 93158. Substitute parts can look different from the original.
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$8.59
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Connector 230318

#244

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Connector

Part #230318

Replaced by #691764

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Manufacturer substitution
This part replaces 230318. Substitute parts can look different from the original.
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Vlv Throttle 62940

#96

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Vlv throttle

Part #62940

Replaced by #223370

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Manufacturer substitution
This part replaces 62940. Substitute parts can look different from the original.
$15.49
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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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

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

Main causes: dirty carburetor, stale fuel…

Main causes: punctured tire, damaged rim…

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

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

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

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

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

Repair guides for gas snowblowers

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

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

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 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

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 snowblower.

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.…