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Craftsman
Lawn & Garden Engine

Model # 739BF-MS2833E Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 739BF-MS2833E 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 250 parts  |
Pre-clner 140-1259
#20

Fuel system group diagram

Pre-clner

Part #140-1259

Replaced by #45-083-01-S

?
Manufacturer substitution
This part replaces 140-1259. Substitute parts can look different from the original.
This item is not returnable
$7.29 | 
12% OFF Phone Price : $8.29
In Stock
Element 140-1216
#13

Fuel system group diagram

Element

Part #140-1216

Replaced by #45-083-02-S

?
Manufacturer substitution
This part replaces 140-1216. Substitute parts can look different from the original.
This item is not returnable
$25.09 | 
19% OFF Phone Price : $31.09
In Stock
Lawn & Garden Equipment Engine Breaker Point Plunger 160-1151
#13

Ignition group diagram

Lawn & garden equipment engine breaker point plunger

Part #160-1151

The manufacturer no longer makes this part, and there's no substitute part

Lawn & Garden Equipment Engine Dipstick Assembly 123-1138
#12

Gear cover, oil base and oil pump group diagram

Lawn & garden equipment engine dipstick assembly

Part #123-1138

The manufacturer no longer makes this part, and there's no substitute part

.005" Oversize 112-0134-05
#11B

Crankshaft, flywheel, camshaft and piston group diagram

.005" oversize

Part #112-0134-05

The manufacturer no longer makes this part, and there's no substitute part

Gear Cam 105-0332
#6

Crankshaft, flywheel, camshaft and piston group diagram

Gear cam

Part #105-0332

The manufacturer no longer makes this part, and there's no substitute part

Screw 815-0378
#32

Govrnr, strtr, charging altrntr & lwr hsng group diagram

Screw

Part #815-0378

The manufacturer no longer makes this part, and there's no substitute part

Throttle Shaft 142-0534
#3

Carburetor parts group diagram

Throttle shaft

Part #142-0534

The manufacturer no longer makes this part, and there's no substitute part

Cap 505-0158
#29

Gear cover, oil base and oil pump group diagram

Cap

Part #505-0158

The manufacturer no longer makes this part, and there's no substitute part

Crankshaft 104-0889
#25

Crankshaft, flywheel, camshaft and piston group diagram

Crankshaft

Part #104-0889

The manufacturer no longer makes this part, and there's no substitute part

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…

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Why does my lawn mower cut unevenly?

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

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Why does my lawn mower run rough?

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

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Why won't my lawn mower move?

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

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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…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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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

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.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

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.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

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.…

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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

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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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.…

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