124702-0684-99 Briggs and Stratton Engine - Overview

Sections of the 124702-0684-99

[Viewing 14 of 14]
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Seal-o Ring – Part Number: 270344S
Seal-o Ring
PartSelect #: PS8936675
Manufacturer #: 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 se...
$5.95
  In Stock
Engine Breather Gasket – Part Number: 699833
Engine Breather Gasket
PartSelect #: PS9078304
Manufacturer #: 699833
$9.95
  Special Order
Screw – Part Number: 691688
Screw
PartSelect #: PS9294698
Manufacturer #: 691688
$7.95
  Special Order
Key-flywheel – Part Number: 222698S
Key-flywheel
PartSelect #: PS8925657
Manufacturer #: 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 Plier...
$5.95
  In Stock
Shaft-Throttle – Part Number: 493267
Shaft-Throttle
PartSelect #: PS8982180
Manufacturer #: 493267
$30.95
  Special Order
Screw – Part Number: 691664
Screw
PartSelect #: PS9074230
Manufacturer #: 691664
$7.95
  Special Order
Guide-Rope – Part Number: 205912GS
Guide-Rope
PartSelect #: PS8915333
Manufacturer #: 205912GS
$8.95
  Special Order
Pin-piston/std – Part Number: 298909
Pin-piston/std
PartSelect #: PS8942667
Manufacturer #: 298909
$15.95
  Special Order
Retainer-Gov Shaft – Part Number: 690340
Retainer-Gov Shaft
PartSelect #: PS9062930
Manufacturer #: 690340
$7.95
  Special Order
Guard-rewind – Part Number: 691919
Guard-rewind
PartSelect #: PS9064416
Manufacturer #: 691919
This is an OEM part sourced directly from the manufacturer. The rewind guard is commonly found on small engines from Briggs & Stratton. This part is made of high-quality plastic, and is used to cove...
$49.95
  Special Order
Screw – Part Number: 690912
Screw
PartSelect #: PS9064499
Manufacturer #: 690912
It is a genuine OEM sourced replacement screw which is specially designed for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. Please refer to the appropriate diag...
$6.95
  Special Order
Screw – Part Number: 690940
Screw
PartSelect #: PS9064505
Manufacturer #: 690940
This replacement screw is a high quality hardware that is commonly utilized on Briggs and Stratton engines commonly installed on Toro lawn and garden equipment. It has multiple applications depending ...
$6.95
  Special Order

Common Symptoms of the 124702-0684-99

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Will Not Start
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Fixing Fixing Fixing
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Engine will not idle
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
replaced gasket that go's between the air cleaner housing and carb. cleaned housing and reinstalled with new air filter
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 in 1991
Parts Used:
Filter- A/C Cartridge Gasket-air Cleaner
  • Barry from FRANKFORT, KY
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Pliers, Screw drivers
12 of 14 people found this instruction helpful.
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Smelled Gas Leaks
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 with all the necessary clamps.
Parts Used:
Line-fuel Clamp-hose Carburetor Overhaul Kit
  • Jonathan from LIBERTY TWP, OH
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers, Socket set
8 of 9 people found this instruction helpful.
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The Spring-choke Return was not the right part.
The repair did not happen. The item number PS9294414 was the wrong
part. When I looked up the model number of 126-T02-0625-B1 engine after I tried to install it. The PartSelect answer was that they no longer had parts for 126-T02-0625-B1 engine any more. Do I need to send the
Spring-Choke Return and get my refund back. If so how do I do it.
Parts Used:
Spring-choke Return
  • Linda from Louisville, KY
  • Difficulty Level:
    Very Difficult
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Pliers
2 of 11 people found this instruction helpful.
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