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Troy-Bilt 21A-634F063 (2002) Bronco RotoTiller

 Troy-Bilt 21A-634F063 (2002) Bronco RotoTiller Parts

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 Fig # Img Part Name Availability Price
A1
TT Screw 1/4-20 x 0.5
TT Screw 1/4-20 x 0.5
Part #: 710-0599
In stock
19 available
 $2.99
Add To Cart
A3
Hood Decal
Hood Decal
Part #: 777S30649
Ships in 5 - 8 business days
 $14.64
Add To Cart
A5
Shield
Shield
Part #: 686-04076A-0638
Note: Includes Tine Flap and fig. 3; For Model 630B
In stock
2 available
 $48.40
Add To Cart
A5A
Shield Assembly-Tine
Shield Assembly-Tine
Part #: 686-04077A-0638
Note: Includes Tine Flap and fig. 3; For Model 634B and 634F
In stock
2 available
 $107.19
Add To Cart
A6
Hex Bolt 5/16-18 x .50" Lg.
Part #: 710-3039
Ships in 5 - 8 business days
 $4.32
Add To Cart
A7
Lock Nut
Lock Nut
Part #: 712-3004A
In stock
4 available
 $2.99
Add To Cart
A8A
Spirol Pin
Part #: 715-04034
Ships in 5 - 8 business days
 $3.69
Add To Cart
A9
Spring, Depth Regulator
Spring, Depth Regulator
Part #: 732-04320
In stock
2 available
 $2.94
Add To Cart
A10
Spacer
Part #: GW-9534
Ships in 5 - 8 business days
 $2.27
Add To Cart
A11
Hex Screw, 1/4-20 x 1.00 Gr. 5
Part #: 710-0597
In stock
2 available
 $1.87
Add To Cart
A12
Hex Lock Nut 1/4-20
Hex Lock Nut 1/4-20
Part #: 912-0291
In stock
2 available
 $2.41
Add To Cart
A13
Hood Bracket, Right Hand
Hood Bracket, Right Hand
Part #: 786-04291-0638
Ships in 5 - 8 business days
 $18.23
Add To Cart
A14
Hood Bracket, Left Hand
Hood Bracket, Left Hand
Part #: 786-04290-0638
Ships in 5 - 8 business days
 $18.23
Add To Cart
A15
Washer-Lock 5/16
Washer-Lock 5/16
Part #: 936-0119
In stock
3 available
 $2.36
Add To Cart
A17
Nut-Hex Center Loc
Nut-Hex Center Loc
Part #: 912-3009
Ships in 5 - 8 business days
 $3.66
Add To Cart
Fig #ImgPart NameAvailabilityPrice
A18
Hex Bolt 5/16-18 x 1.25" Lg.
Hex Bolt 5/16-18 x 1.25" Lg.
Part #: 710-0874
Ships in 5 - 8 business days
 $3.69
Add To Cart
A19
Bushing
Part #: GW-55088
Ships in 5 - 8 business days
 $1.96
Add To Cart
A20
Drag Bar
Drag Bar
Part #: 786-04104-0638
In stock
1 available
 $21.36
Add To Cart

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Your engine's type number is the second part of the model number stamped on your Briggs & Stratton engine (see picture).

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Discussion
Discussion for the Troy-Bilt 21A-634F063 (2002) Bronco RotoTiller

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dadonk
Question: Fuel System,gear Oil

dadonk

my dad bought a 21A-634F063 tiller with a 5.5 hp Briggs & Stratton. some years ago, and never even put gas in it.Its never been started untill today. It runs but only with the choke on the step down from full choke. What do i need to do? I also need to know what kind of gear oil and how full to fill it?
UtahAV
Reply: Fuel System,gear Oil

UtahAV

Hi dadonk,

An engine that will only run with choke is a sure sign of carburetor issues. I would suspect that the dealer test ran the engine and there was a little fuel left in the carb. That fuel will deteriorate over time and varnish the internal parts of the carb. It even tends to turn to a gel like substance. To fix it you will need to remove the carb and disassemble it. Clean everything with some carb cleaner and blow it out with compressed air. A small ultrasonic cleaner does a great job cleaning carbs if you have access to one. Reassemble and you should be up and running again.

The gear box uses SAE 85W140 or SAE 140 gear oil. Fill the transmission until the oil is halfway up the side of the main drive shaft.

I hope this helps!

-UtahAV
-Mark
Ken Bohnert
Question: Carburator

Ken Bohnert

I am trying to find a carb kit for the 21A-634F063 tiller with a 5.5 hp Briggs & Stratton engine. Can you point me in the right direction, or do you have them? It starts, runs for a few seconds then quits. It has sat for a few years without being used. Thanks, Ken
fancyboxy