120502-0100-E1 Briggs and Stratton Engine - Overview
Sections of the 120502-0100-E1
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Keep searches simple, eg. "belt" or "pump".
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
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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
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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
Order within the next 5 hrs and your part ships today!
Starter Pawl-Ratchet
PartSelect #: PS8942598
Manufacturer #: 281505S
This Genuine OEM ratchet pawl is a critical component designed to engage the recoil starting system with the engine, ensuring smooth and reliable starts. Manufactured from durable plastic, this replac...
$5.95
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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
Order within the next 5 hrs and your part ships today!
Piston Assembly
PartSelect #: PS9983005
Manufacturer #: 590406
(Standard) Used After Code Date 97011200 Used Before Code Date 09041700
$159.95
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Common Symptoms of the 120502-0100-E1
[Viewing 3 of 3]Will Not Start
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Engine will not idle
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Cannot pull starter cord out or engine will not turn over
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Mower body was die cast and in good condition. Engine was burning oil.
Removed engine, no specialty tools required. Honed the cylinder, and lapped the valves. Tip on compressing valve spring for reassembly; compress springs with you finger and tie them with 2 zip ties, cut the zip ties after installing the keepers. Repainted the mower deck and engine. It runs and looks like new. My Toro is a 1999 model .
Parts Used:
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Robert from TEGA CAY, SC
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Difficulty Level:Really Easy
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Total Repair Time:More than 2 hours
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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:
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Dustin from BANGOR, ME
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Difficulty Level:A Bit Difficult
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Total Repair Time:More than 2 hours
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Tools:Socket set, Wrench set
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