Troybilt
Rear-Tine Tiller

Model #12090 Troybilt tiller

Here are the diagrams and repair parts for Troybilt 12090 tiller, as well as links to manuals and error code tables, if available.


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Showing 10 of 311 parts

Tiller Depth Stake Spring

#3

Kickstand/tine attachment Diagram

Tiller depth stake spring

Part #GW-1492099
?
Manufacturer substitution
This part replaces 1492. Substitute parts can look different from the original.
This part replaces 1492
This item is not returnable
$6.49 | 
13% OFF MSRP:$7.50

In Stock

Lawn & Garden Equipment Hex Flange Nut

#34

Electric start system Diagram

Lawn & garden equipment hex flange nut

Part #712-04054
?
Manufacturer substitution
This part replaces 1186391. Substitute parts can look different from the original.
This part replaces 1186391
This item is not returnable
$2.71 | 
18% OFF MSRP:$3.30

In Stock

Ring-toleran

#3

Handlebar assembly Diagram

Ring-toleran

Part #GW-9120
?
Manufacturer substitution
This part replaces 9120. Substitute parts can look different from the original.
This part replaces 9120
This item is not returnable
$4.58

In Stock

Lawn & Garden Equipment Hex Screw

#41

Belt drive system, engines, wheels Diagram

Lawn & garden equipment hex screw

Part #710-0395
?
Manufacturer substitution
This part replaces 1111607. Substitute parts can look different from the original.
This part replaces 1111607
This item is not returnable
$2.69 | 
16% OFF MSRP:$3.20

In Stock

Tiller Ring Retainer

#49

Power unit transmission assemblies Diagram

Tiller ring retainer

Part #716-04102
?
Manufacturer substitution
This part replaces 9517. Substitute parts can look different from the original.
This part replaces 9517
This item is not returnable
$3.05 | 
5% OFF MSRP:$3.20

In Stock

Carriage Bolt

#10

Electric start system Diagram

Carriage bolt

Part #1186073
?
Manufacturer substitution
This part replaces 9566. Substitute parts can look different from the original.
This part replaces 9566
This item is not returnable
$2.29

In Stock

Tiller Tine Kit

#NI

All parts Diagram

Tiller tine kit

Part #1901118A
?
Manufacturer substitution
This part replaces 1901118. Substitute parts can look different from the original.
This part replaces 1901118
$197.44 | 
18% OFF MSRP:$240.00

In Stock

Sealing Kit

#1

Tiller attachment transmission Diagram

Sealing kit

Part #1915087
?
Manufacturer substitution
This part replaces 1915087. Substitute parts can look different from the original.
This part replaces 1915087
$13.78

In Stock

Pin#cotterle

#5

Row marker attachment Diagram

Pin#cotterle

Part #GW-9347
?
Manufacturer substitution
This part replaces 9347. Substitute parts can look different from the original.
This part replaces 9347
$10.55

In Stock

Roll Pin

#71

Power unit transmission assemblies Diagram

Roll pin

Part #9307

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

Symptoms common to all tillers

Choose a symptom to see related tiller repairs.

Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, leaky carburetor seal
Main causes: broken shaft clevis pins, transmission failure
Main causes: worn or broken drive belts, bad transmission, clutch cable problems
Main causes: clutch cable problems, faulty transmission
Main causes: dirty carburetor, engine needs tune up, stale gas
Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter
Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper depth-stake setting

Repair guides common to all tillers

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

May 1, 2013
By Lyle Weischwill
How to replace a tiller recoil starter

The recoil starter spins the engine when you pull the starter rope, and the rope retracts when released. If the recoil starter assembly is broken, follow the steps in this repair guide to replace it.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all tillers

Use the advice and tips in these articles and videos to get the most out of your tiller.

December 28, 2018

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

By Sears PartsDirect staff

This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter.

November 1, 2016

A guide to garden tillers

By Sears PartsDirect staff

Rear tine tiller or front tine tiller, what to know to help in choosing the correct one for your needs.

November 1, 2015

Tiller common questions

By Sears PartsDirect staff

These frequently asked questions might help you figure out what's wrong with your garden tiller.