Tecumseh
Lawn & Garden Engine

Model # TYPE 670-85 Official Tecumseh 2-cycle engine

Here are the diagrams and repair parts for Official Tecumseh TYPE-670-85 2-cycle engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 121 parts  |

O-ring 631028
#7

Carburetor diagram

O-ring

Part #631028

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

Needl/seat 631021
#2

Carburetor diagram

Needl/seat

Part #631021

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

Fuel Line 29774
#68

Basic engine diagram

Fuel line

Part #29774

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

/carb Float 631023
#5

Carburetor diagram

/carb float

Part #631023

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

Spring 631767
#12

Carburetor diagram

Spring

Part #631767

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

Seal 510105
#29

Basic engine diagram

Seal

Part #510105

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

Washer 631183
#20

Carburetor diagram

Washer

Part #631183

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

Fuel Fitting 631803
#4

Carburetor diagram

Fuel fitting

Part #631803

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

Spring 630972
#16

Carburetor diagram

Spring

Part #630972

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

Spring 510109
#31

Basic engine diagram

Spring

Part #510109

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

Symptoms for gas water heaters

Main causes: lack of combustion air, ventilation draft, bad thermocouple…

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

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.…