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Troybilt
Gas Walk-Behind Mower

Model # TRAILBLAZER Y0000100 AND UP Official Troybilt sickle bar lawn mower

Here are the diagrams and repair parts for Official Troybilt TRAILBLAZER-Y0000100-AND-UP sickle bar lawn mower, as well as links to manuals and error code tables, if available.

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

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Model diagram and schematic

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Showing 10 of 190 parts  |
Nut 92017
Nut

Part #92017

Replaced by #712-3004A

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Manufacturer substitution
This part replaces 92017. Substitute parts can look different from the original.
This item is not returnable
$4.92 | 
17% OFF Phone Price : $5.92
In Stock
Tire 1234-1
#6

Wheel drive mechanism/wheels diagram

Tire

Part #1234-1

Replaced by #734-0808A

?
Manufacturer substitution
This part replaces 1234-1. Substitute parts can look different from the original.
$107.54 | 
10% OFF Phone Price : $119.54
In Stock
Bolt 90038
Bolt

Part #90038

Replaced by #710-04049

?
Manufacturer substitution
This part replaces 90038. Substitute parts can look different from the original.
$8.11
In Stock
Cotter Pin 9338
#3

Wheel drive mechanism/wheels diagram

Cotter pin

Part #9338

Replaced by #714-04048

?
Manufacturer substitution
This part replaces 9338. Substitute parts can look different from the original.
$13.91
In Stock
Nut 9848
Nut

Part #9848

Replaced by #712-04054

?
Manufacturer substitution
This part replaces 9848. Substitute parts can look different from the original.
$7.83
In Stock
Retainer, Snap Ring 9511
#37

Wheel drive mechanism/wheels diagram

Retainer, snap ring

Part #9511

Replaced by #716-04104

?
Manufacturer substitution
This part replaces 9511. Substitute parts can look different from the original.
This item is not returnable
$6.11
In Stock
Decal 40151
#11

Handlebars, control levers, and throttle lever diagram

Decal

Part #40151

Replaced by #1900452

?
Manufacturer substitution
This part replaces 40151. Substitute parts can look different from the original.
$56.93
In Stock
Nut 92016
Nut

Part #92016

Replaced by #712-0429

?
Manufacturer substitution
This part replaces 92016. Substitute parts can look different from the original.
This item is not returnable
$7.06
In Stock
Shim 1166-1
#35

Wheel drive mechanism/wheels diagram

Shim

Part #1166-1

Replaced by #094908P

?
Manufacturer substitution
This part replaces 1166-1. Substitute parts can look different from the original.
$24.40
In Stock
Knob 9212
#9

Handlebars, control levers, and throttle lever diagram

Knob

Part #9212

Replaced by #731-0108

?
Manufacturer substitution
This part replaces 9212. Substitute parts can look different from the original.
This item is not returnable
$16.06
In Stock

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.…

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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 walk-behind mowers

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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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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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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Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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