40N877-005 Briggs and Stratton Engine - Overview
Models starting with 40N877-005
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Aluminum Push Rod
PartSelect #: PS9073139
Manufacturer #: 690982
This is a replacement push rod for your lawn tractor engine. It is made of aluminum and is the push rod used for the exhaust valve. Occasionally, the push rod in your engine can become damaged, and wi...
No Longer Available
Engine Oil Seal
PartSelect #: PS9151828
Manufacturer #: 795387
This OEM Seal-Oil (PTO Side), also called the Oil Seal, is a Black, Nitrile Rubber, 2/14 O.D., individually sold part which is installed using a Seal Puller. Customers rate the installation difficulty...
$9.69
In Stock
Engine Oil Seal
PartSelect #: PS9277860
Manufacturer #: 391086S
The Oil Seal is a manufacturer-approved rubber part which provides a seal between the crankcase and crankshaft by attaching around the axle shaft on the crankhouse housing. Installation is rated as "M...
$8.09
In Stock
Engine Cylinder Head Gasket
PartSelect #: PS9067184
Manufacturer #: 693997
This is a replacement cylinder head gasket for your small engine. The gasket is approximately 5 inches in length and 5 inches in width at its longest and widest points. The gasket creates a seal, and ...
$30.09
In Stock
Engine Oil Filter
PartSelect #: PS9065087
Manufacturer #: 696854
This genuine OEM oil filter helps to remove harmful contaminants from engine oil. It is designed for a variety of Engines. It is sold Individually. This part maintains optimum performance of your engi...
$17.25
In Stock
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...
$6.40
In Stock
Gasket-exhaust
PartSelect #: PS9063564
Manufacturer #: 690970
This is a genuine OEM sourced replacement exhaust gasket. It is specially made for use with Briggs and Stratton engines commonly used on Toro lawn and garden equipment. Its purpose is to provide an ai...
$6.40
In Stock
Gear-governor
PartSelect #: PS9151758
Manufacturer #: 793338
Ensure smooth and balanced operation of your Briggs and Stratton engine with this exceptional Gear Governor. It's intricately designed to maintain control over the speed of the engine, contributing to...
$40.69
On Order
Gasket-float Bowl
PartSelect #: PS9066958
Manufacturer #: 698781
This is a genuine manufacturer sourced replacement part designed for lawn and garden equipment engines. This gasket provides an air-tight seal for the float bowl. Over time this gasket will shrink, be...
$12.92
In Stock
Screw
PartSelect #: PS9064541
Manufacturer #: 691108
This is an authentic OEM sourced replacement part that is intended to be used with lawnmower engines and outboard motors from Briggs & Stratton and Toro. The metal screw is used to secure the rocker c...
$6.40
In Stock
Common Symptoms of models starting with 40N877-005
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Engine quit due to valve guide sliding out causing rocker arm to be immovable resulting in bent push rods.
Clean engine with a Gunk type product. Remove valve cover. Loosen bolts and remove old cylinder head. One bolt is located inside valve cover area. Remove old gasket and inspect and clean that surface. Attach new head with new gasket using existing bolts. Torque to 18'#s with a cross type pattern. Attach new rocker arms and push rods. Set
... Read more
valve clearance to .004 - .006. Attach valve cover with gasket. Check oil level. Start and let it warm up. Let cool remove cover then check valve clearance again. Replace cover.
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Parts Used:
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D from HUNTSVILLE, AL
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Difficulty Level:Really Easy
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Total Repair Time:30 - 60 mins
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Tools:Nutdriver, Socket set
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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- ... Read more 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.
Taryl (probably not his real name) does a very good job of showing step-by- ... Read more 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.
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Parts Used:
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John from BROOKVILLE, IN
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Difficulty Level:Easy
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Total Repair Time:1- 2 hours
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Tools:Nutdriver, Pliers, Socket set, Wrench set
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Rod broke ruining the case and camshaft
dissembled ordered repair parts, piston ,upper case, rod, camshaft, seal kit, and motor maintenance CD
The camshaft first provided did not have the compression release device on it and the cam lobe position was all wrong for the model engine I had. .
Parts Select provided me with the proper cam Shaft. Removed engine from mowe ... Read more r (Scag Freedom Z) 15 minutes, drained oil, flipped upside down removed bottom case, removed wrong cam shaft, reinstall new valve lifters, camshaft with decompression release on it matching dots on crankshaft. Used paint brush to coat all parts heavily with motor oil.
Do not put sealant on case gasket,(it might change crankshaft end play), retorqued bolt in alternating pattern, placed nylon pipe tape on drain plug threads, and reinstalled engine on mower. It started instantly and ran extremely smooth with no oil burn or vibration.
I am very happy with the support and quick mshipping Parts Select provided..
The camshaft first provided did not have the compression release device on it and the cam lobe position was all wrong for the model engine I had. .
Parts Select provided me with the proper cam Shaft. Removed engine from mowe ... Read more r (Scag Freedom Z) 15 minutes, drained oil, flipped upside down removed bottom case, removed wrong cam shaft, reinstall new valve lifters, camshaft with decompression release on it matching dots on crankshaft. Used paint brush to coat all parts heavily with motor oil.
Do not put sealant on case gasket,(it might change crankshaft end play), retorqued bolt in alternating pattern, placed nylon pipe tape on drain plug threads, and reinstalled engine on mower. It started instantly and ran extremely smooth with no oil burn or vibration.
I am very happy with the support and quick mshipping Parts Select provided..
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Parts Used:
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Arthur from SAINT JO, TX
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Difficulty Level:Really Easy
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Total Repair Time:30 - 60 mins
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Tools:Socket set
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