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121700 Briggs and Stratton Engine - Overview
Models starting with 121700
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- 121700-121799 Briggs and Stratton Engine (To 121799 Engine)
- 121700-121799 (3179-3180-3185) Briggs and Stratton Engine (To 121799 (3179,3180,3185) Engine)
- 121700-121799 (7024-7026-7051) Briggs and Stratton Engine (To 121799 (7024-7026,7051) Engine)
- 121700-121799 (0268-0275) Briggs and Stratton Engine (To 121799 (0268-0275) Engine)
- 121700-121799 (0101-0109) Briggs and Stratton Engine (To 121799 (0101-0109) Engine)
- 121700-121799 (0416-0418-0419) Briggs and Stratton Engine (To 121799 (0416,0418,0419) Engine)
- 121700-121799 (0256-0261) Briggs and Stratton Engine (To 121799 (0256-0261) Engine)
- 121700-121799 (0115-0237) Briggs and Stratton Engine (To 121799 (0115-0237) Engine)
- 121700-121799 (4000-4003) Briggs and Stratton Engine (To 121799 (4000-4003) Engine)
- 121700-121799 (0426-0463-0465-) Briggs and Stratton Engine (To 121799 (0426,0463,0465,) Engine)
- 121700-121799 (3109- 3115-3147) Briggs and Stratton Engine (To 121799 (3109, 3115-3147) Engine)
- 121700-121799 (0263-0266) Briggs and Stratton Engine (To 121799 (0263-0266) Engine)
- 121700-121799 (3101-3102-3106) Briggs and Stratton Engine (To 121799 (3101,3102,3106) Engine)
- 121700-121799 (3153-3154-3158) Briggs and Stratton Engine (To 121799 (3153,3154,3158) Engine)
- 121700-121799 (7015-7016-7018) Briggs and Stratton Engine (To 121799 (7015,7016,7018) Engine)
- 121700-121799 (4006-4009) Briggs and Stratton Engine (To 121799 (4006-4009) Engine)
- 121700-121799 (0239-254) Briggs and Stratton Engine (To 121799 (0239-254) Engine)
- 121700TO121799 Briggs and Stratton Engine (Engine)
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$8.95
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Guide-Rope
Part #205912GS
$5.95
In Stock
Key-flywheel
Part #222698S
This is a Genuine OEM replacement part used on a variety of Lawn and Garden equipment. The key helps to secure Flywheel in place. This is a Metal Key and it is Sold Individually. You would need Pliers to replace this item.
$15.95
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Link-mech Governor
Part #691829
$30.95
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Shaft-Throttle
Part #493267
$27.95
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Deflector-Muffler
Part #396548
$11.95
In Stock
Kit-needle/seat
Part #398188
Genuine manufacturer approved carburetor needle valve for lawn and garden equipment engines. This item includes the seat. The needle valve opens and closes to control the flow of fuel into the carburetor. Make sure to disconnect the spark plug wire and drain all gasoline from the carburetor and fuel tank before starting a repair.
$13.95
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Seal-oil
Part #399781S
This is an authentic replacement part manufactured for use with small engines. Seals can deteriorate overtime, and it is recommended to replace worn seals when servicing an engine. This seal is the lower seal in the engine's sump, the seal is sold individually.
$15.95
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Deflector-muffler
Part #393760
This is a genuine Briggs & Stratton and Toro replacement part for use in engines, lawn mowers, and lawn tractors. The muffler deflector is made out of metal. A wrench may be needed during the replacement of this item. It will need to be replaced if it breaks. This item is sold individually.
$5.95
In Stock
Seal-o Ring
Part #270344S
This authentic OEM replacement part fits a variety of Toro and Briggs & Stratton engines. An O ring is used to retain pressure between rigid parts. Its flexible material allows it to create a tight seal. Many different sizes of O ring are used in these engines; consult manual to be sure of correct placement. Sold individually.
$15.95
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Pin-piston/std
Part #298909
$12.95
In Stock
Filter- A/C Cartridge
Part #491588S
This is a replacement air filter/AC cartridge for your small engine. The air filter prevents dirt and debris from entering the engine. Over time, the air filter can become clogged or damaged, and this can lead to reduced performance. This air filter is approximately 4 inches wide and approximately 5 inches long. To replace the air filter,...Read more locate the air filter cover on the side of the engine, unscrew it, and remove the old filter. Be sure to clear out any dirt, clippings, or other debris that has found its way into the air filter assembly before you insert the new filter. Reattach the air filter cover, and secure it with the screws. This product is sold individually.
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$32.95
In Stock
Carburetor Overhaul Kit
Part #498260
This is a replacement carburetor overhaul kit for your small engine. The carburetor is essential to the overall performance of your engine, and the carb can get clogged up over time for a variety of reasons. When your carb becomes clogged, it is often a good idea to take it apart and replace the various parts inside by purchasing a carbur...Read moreetor kit. This is a 15-piece set and contains everything that you will need to do a total overhaul of your carburetor. You may want to purchase some carb cleaner as well, to ensure that the new pieces in the carb kit fit and adhere properly.
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Common Symptoms of models starting with 121700
How this model fails, and the parts that fix it.
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replaced gasket that go's between the air cleaner housing and carb. cleaned housing and reinstalled with new air filter
12 of 14 people
found this instruction helpful.
Also replaced fuel tank , the built in fuel shut off started leaking , had to replace the tank. Ordered a new one Briggs & Stratton original equipment fit perfect . This is a 25 year old Briggs & Stratton lawn mower 3.5 HP, Runs perfect, starts by the 2nd crank every time. First time I ever had to spend money on it since I bought it new i
... Read more
n 1991
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Smelled Gas Leaks
8 of 11 people
found this instruction helpful.
Inspected/removed fuel lines and found signs of leak. Removed and inspected carburetor and found that seals and gaskets were toast. Replaced said seals with ones from the kit that fit and replaced fuel lines.
Would be nice to have a fuel line kit with the big fuel line (tank to carb) and the little one (carb to engine) together ... Read more with all the necessary clamps.
Would be nice to have a fuel line kit with the big fuel line (tank to carb) and the little one (carb to engine) together ... Read more with all the necessary clamps.
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