49C877-0003-G1 Briggs and Stratton Engine - Overview

Sections of the 49C877-0003-G1

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Puller-flywheel – Part Number: 19203
Puller-flywheel
PartSelect #: PS8905120
Manufacturer #: 19203
This flywheel puller is designed for servicing larger small engines by safely removing tightly seated flywheels without stressing the crankshaft or damaging ignition components. Constructed from heavy...
$33.95
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Sealant-liquid – Part Number: 100106
Sealant-liquid
PartSelect #: PS8816307
Manufacturer #: 100106
It is a genuine manufacturer-supplied item that is made for use with Briggs and Stratton engines that are commonly installed on a variety of lawn and garden equipment. This is a special liquid sealant...
$24.95
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Bolt – Part Number: 690311
Bolt
PartSelect #: PS9062886
Manufacturer #: 690311
$7.95
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Key-woodruff – Part Number: 690979
Key-woodruff
PartSelect #: PS9063568
Manufacturer #: 690979
This timing key is an OEM direct from Briggs & Stratton. The metal component is compatible with many small engines, and is sold individually. The key secures the shaft in the crankshaft. A wrench is o...
$5.95
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Seal-o Ring – Part Number: 691031
Seal-o Ring
PartSelect #: PS9063625
Manufacturer #: 691031
This authentic item is supplied directly from the original equipment manufacturer for use with engines, outboard motors, portable generators, snowthrowers, and lawn mowers made by Briggs & Stratton an...
$9.95
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Gasket-air Cleaner – Part Number: 691001
Gasket-air Cleaner
PartSelect #: PS9063576
Manufacturer #: 691001
It is a genuine manufacturer-approved replacement part which is supplied for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. This special gasket helps to provide ...
$5.95
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Screw – Part Number: 690976
Screw
PartSelect #: PS9064513
Manufacturer #: 690976
It is an authentic OEM sourced replacement part that is specially designed for use with Briggs and Stratton engines commonly installed on Toro lawn and garden equipment. This is one of the screws for ...
$7.95
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Seal-dipstick Tube – Part Number: 691032
Seal-dipstick Tube
PartSelect #: PS9063583
Manufacturer #: 691032
This is an authentic OEM sourced replacement part which is specially designed for use with lawn and garden equipment. The purpose of this part is to provide a tight seal between connected parts, over ...
$9.95
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Screw – Part Number: 698304
Screw
PartSelect #: PS9077664
Manufacturer #: 698304
$5.95
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Lock-piston Pin – Part Number: 690975
Lock-piston Pin
PartSelect #: PS9063614
Manufacturer #: 690975
This is an original Briggs & Stratton replacement part. The piston lock pin is commonly found in small engines. This part is made of metal, and is used to hold the piston pin in place in the piston....
$7.95
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Screw – Part Number: 593638
Screw
PartSelect #: PS12658373
Manufacturer #: 593638
$9.95
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Spring-valve – Part Number: 694865
Spring-valve
PartSelect #: PS9064264
Manufacturer #: 694865
This valve spring is a genuine OEM Briggs & Stratton replacement used in small gasoline engines to maintain proper valve tension and timing during operation. It helps prevent valve float and ensures c...
$9.95
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Questions And Answers for 49C877-0003-G1

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Common Symptoms of the 49C877-0003-G1

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Engine misfires
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Bad governor
Look on YouTube for video's on how to replace a Briggs governor. There are several there. My favorite, with best explanation, is, "Easily Replace Briggs Governor Gear (V-Twin Intek Engine) with Taryl". https://www.youtube.com/watch?v=wn3eanGxSEA&t=152s.

Taryl (probably not his real name) does a very good job of showing step-by-step the whole procedure, along with some additional hints/tricks/techniques of value.

Not including oil and filter, I spent less than $50 for a new governor, gasket, and drive shaft seal. That's all that is really necessary to replace is those three parts. That is, unless pieces of the old governor tore up a gear, valve, or something else. Inspect everything! {I was lucky and only the governor was destroyed}

One word of note. Be sure to clean out all of the debris from the blown governor. Be sure to remove the spark plugs and carefully rotate the drive shaft while looking for nooks-and-crannies where debris can hide. I tried to use a magnet to help, but it didn't help much, even though the block is aluminum.

Good luck.
Parts Used:
Gear-governor
  • John from BROOKVILLE, IN
  • Difficulty Level:
    Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Nutdriver, Pliers, Socket set, Wrench set
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