Tecumseh
Lawn & Garden Engine

Model # TYPE 640-07B Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh TYPE-640-07B 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 110 parts  |

Seal 510105
#12

Basic engine diagram

Seal

Part #510105

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

Crnksft Seal 510242
#72

Basic engine diagram

Crnksft seal

Part #510242

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

Clip 631022
#13

Carburetor diagram

Clip

Part #631022

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

Spring 510109
#14

Basic engine diagram

Spring

Part #510109

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

Dog Sprng Rh 590412
#5

Rewind starter diagram

Dog sprng rh

Part #590412

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

Retainer 510106
#13

Basic engine diagram

Retainer

Part #510106

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

Flt Bowl Nut 631650
#22

Carburetor diagram

Flt bowl nut

Part #631650

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

Cover 610118
#43

Basic engine diagram

Cover

Part #610118

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

Pump Element 630953
#6

Carburetor diagram

Pump element

Part #630953

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

Gasket 510298
#18

Basic engine diagram

Gasket

Part #510298

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

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…

Repair guides for gas leaf blowers

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

How to rebuild a leaf blower carburetor

How to rebuild a leaf blower carburetor

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
Time required
 60 minutes or less
How to replace a leaf blower carburetor

How to replace a leaf blower carburetor

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

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

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

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles to get the most out of your leaf blower.

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.…