120K02-0110-E1 Briggs and Stratton Engine - Overview

Sections of the 120K02-0110-E1

[Viewing 4 of 4]
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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
Rep Man-1 Cyl L-hd – Part Number: 270962
Rep Man-1 Cyl L-hd
PartSelect #: PS8937789
Manufacturer #: 270962
This is a genuine item that is supplied directly from the original equipment manufacturer for Briggs and Stratton engines commonly installed on lawn and garden equipment. The repair manual contains ea...
$51.95
  Special Order
Link-mech Governor – Part Number: 691829
Link-mech Governor
PartSelect #: PS9074261
Manufacturer #: 691829
$15.95
  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
Engine Spark Plug Boot – Part Number: 66538S
Engine Spark Plug Boot
PartSelect #: PS9055852
Manufacturer #: 66538S
This spark plug boot is a genuine OEM Briggs & Stratton replacement designed to fit securely over the spark plug, protecting the connection from moisture, dirt, and debris. Its durable, elbow-style de...
$6.95
  Special Order
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
  In Stock
Pin-piston/std – Part Number: 298909
Pin-piston/std
PartSelect #: PS8942667
Manufacturer #: 298909
$15.95
  Special Order
Valve-exhaust – Part Number: 590394
Valve-exhaust
PartSelect #: PS9036012
Manufacturer #: 590394
This is an original Briggs & Stratton and Toro part for use in engines, generators, and lawn mowers. The exhaust valve goes next to the valve spring. This item is sold individually and is made of meta...
$43.95
  Special Order
Spacer-fuel Tank – Part Number: 692294
Spacer-fuel Tank
PartSelect #: PS9063748
Manufacturer #: 692294
This is a genuine Briggs & Stratton replacement part. The fuel tank spacer is constructed of durable plastic, and is designed for use with many lawn and garden engines. This item is made to fit betwee...
$8.95
  Special Order
Screw – Part Number: 691142
Screw
PartSelect #: PS9064545
Manufacturer #: 691142
$6.95
  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
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

Questions And Answers for 120K02-0110-E1

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Common Symptoms of the 120K02-0110-E1

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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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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
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 21 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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Leaking gaskets
All the gaskets needed to be replaced on the Briggs 6.75 flathead I was rebuilding. I ported and polished the ports and shaved the eyebrow between the valves and the piston. The gasket set was a perfect fit. It is a monster now. It doesn't sound like a lawnmower engine anymore
Parts Used:
Engine Gasket Set
  • Dustin from BANGOR, ME
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Socket set, Wrench set
4 of 10 people found this instruction helpful.
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