Lawn & Garden Engine

Model # 143656012 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143656012 4-cycle engine, as well as links to manuals and error code tables, if available.

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143656012 4-Cycle Engine
Needle Seat 631021
#12

Carburetor diagram

Needle seat

Part #631021

Replaced by #631021B

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Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
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Starter Rope 590386
#9

Rewind starter diagram

Starter rope

Part #590386

Replaced by #590535

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Manufacturer substitution
This part replaces 590386. Substitute parts can look different from the original.
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Gasket 27110
#21

Carburetor diagram

Gasket

Part #27110

Replaced by #27110A

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Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
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Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#78

Replacement parts diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

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Carburetor Float 631023
#14

Carburetor diagram

Carburetor float

Part #631023

Replaced by #632019A

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This part replaces 631023. Substitute parts can look different from the original.
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Plug Cover 27276
#36

Replacement parts diagram

Plug cover

Part #27276

Replaced by #610118

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Fuel Bowl 631025
#16

Carburetor diagram

Fuel bowl

Part #631025

Replaced by #631867

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Spring Retainer 630731
#2

Carburetor diagram

Spring retainer

Part #630731

Replaced by #631767

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Generac Lawn & Garden Equipment Engine Air Filter 30727
#89

Replacement parts diagram

Generac lawn & garden equipment engine air filter

Part #30727

$8.99 | 
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Generac Lawn & Garden Equipment Engine Nut 29752
Generac lawn & garden equipment engine nut

Part #29752

This item is not returnable
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Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

Main causes: damaged fan blade, engine needs a tune up, dirty carburetor…

Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up…

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor…

Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, wor…

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If the leaf blower engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow …

Repair difficulty
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How to replace a leaf blower carburetor

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Repair difficulty
Time required
 15 minutes or less
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How to replace leaf blower fuel lines

Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself…

Repair difficulty
Time required
 60 minutes or less

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