122T02-5157-H1 Briggs and Stratton Engine - Overview

Sections of the 122T02-5157-H1

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Ring Set-020 – Part Number: 590403
Ring Set-020
PartSelect #: PS9034607
Manufacturer #: 590403
$95.95
  Special Order
Kit-needle/seat – Part Number: 398188
Kit-needle/seat
PartSelect #: PS8963322
Manufacturer #: 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 carbure...
$11.95
  In Stock
Crank-governor – Part Number: 698801
Crank-governor
PartSelect #: PS9068648
Manufacturer #: 698801
$19.95
  Special Order
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 Recoil Starter Assembly – Part Number: 497680
Engine Recoil Starter Assembly
PartSelect #: PS8981884
Manufacturer #: 497680
This authentic OEM starter assembly is designed for use with lawn and garden engines and is sourced directly from the original manufacturer to ensure quality and compatibility. The assembly includes a...
$88.95
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Filter-a/c Foam – Part Number: 493537S
Filter-a/c Foam
PartSelect #: PS8983404
Manufacturer #: 493537S
Genuine Manufacturer Sourced replacement part used on a variety of Briggs and Stratton Engines. This filter adds a second layer of protection against airborne-dirt particle ingestion. This is a Foam P...
$11.95
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Head-cylinder – Part Number: 590411
Head-cylinder
PartSelect #: PS9036300
Manufacturer #: 590411
$82.95
  Special Order
Deflector-Muffler – Part Number: 396548
Deflector-Muffler
PartSelect #: PS8960606
Manufacturer #: 396548
$27.95
  Special Order
Deflector-muffler – Part Number: 393760
Deflector-muffler
PartSelect #: PS8960984
Manufacturer #: 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 replacem...
$15.95
  Special Order
Seal-oil – Part Number: 399781S
Seal-oil
PartSelect #: PS8960670
Manufacturer #: 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 lo...
$13.95
  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
Washer-sealing – Part Number: 271716
Washer-sealing
PartSelect #: PS8940580
Manufacturer #: 271716
This authentic OEM sealing washer is designed for your lawn equipment to create a tight seal within the carburetor body, preventing fuel or air leaks. If you notice any signs of leaks, such as drippin...
$6.95
  Special Order

Common Symptoms of the 122T02-5157-H1

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Will Not Start
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Cannot pull starter cord out or engine will not turn over
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Engine will not idle
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Fixing
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Mower was submerged in Hurricane Matthew
Total disassemble, clean out water and any rust. hone cylinder, wire brush where needed,reassemble with new rings,gaskets and seals and lucas oil product. Started on second pull. Mowed lawn. If you have never done this sort of work before, probably should not attempt.
Parts Used:
Ring Set Engine Gasket Set Filter- A/C Cartridge Filter-a/c Foam
  • Morris from HOPE MILLS, NC
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Wrench set
25 of 51 people found this instruction helpful.
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starter rewind cord broke
I found the model number of the Briggs & Stratton engine on the inside of the engine housing. Ordered a new starter-rewind unit, as the old cord broke and the thing was well worn. The instructions were clear enough, but to get the old starter off I had to drill out four rivets, which just spin around when you try. I used a hacksaw, chisel, pliers, whatever worked on each rivet; this took a while. When they were finally removed, the new starter pull unit was relatively easy to install with the small nuts and bolts provided. On the Yard Machines log splitter, putting back the engine housing is quite tricky; you have to jostle the thing into place, get the pull handle above the cover and line up the bolt holes.
Parts Used:
Engine Recoil Starter Assembly
  • Seikai from MARICOPA, CA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Nutdriver, Pliers, Screw drivers, Socket set, Wrench (Adjustable), Wrench set
15 of 22 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 11 people found this instruction helpful.
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