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MF2523 Simplicity Lawn Mower - Overview

Diagrams for MF2523

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Lawn Mower Hex Head Washer Screw – Part Number: 2828635SM
$7.08
In Stock
Lawn Mower Hex Head Washer Screw
Part #2828635SM
This is a genuine Murray replacement part, it is sold individually. It is commonly used in lawn tractors, and is used in various places in the compatible models listed below. It is self tapping, with a 9/16 hex head. Made of metal.
Filter-oil – Part Number: 492932S
$15.13
In Stock
Filter-oil
Part #492932S
This short-style engine oil filter is designed to remove harmful contaminants from the oil while maintaining proper lubrication in pressure-lubricated small engines. Built with high-efficiency filtration media and internal safety features to support consistent oil flow, it helps reduce engine wear and protect internal components. Ideal for routine maintenance, it supports reliable performance and helps extend engine life during regular operation.
Lawn Mower Cotter Pin – Part Number: 703312
$6.40
In Stock
Lawn Mower Cotter Pin
Part #703312
This cotter pin is an OEM part that is 1.25 inches long, gold in color, and sold individually. Made of metal, it can have a range of applications on a variety of lawn and garden equipment. Generally, you will need to replace this part if it becomes broken due to age and wear, or if you need to remove it for making other repairs. This is an easy repair that only requires a pair of pliers to carry out. You need to bend one end around the shaft or bolt and bend the other around the back end of the bolt to complete the repair.
Gasket-exhaust – Part Number: 690970
$6.40
In Stock
Gasket-exhaust
Part #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 air-tight seal between the carburetor and the exhaust tube. Over time this gasket will deteriorate requiring replacement. Please note, this composite gasket is sold individually. To replace this part you will need a wrench.
Armature-magneto – Part Number: 591459
$56.10
In Stock
Armature-magneto
★★★★★
★★★★★
(1)
Part #591459
Hard starting or an engine that suddenly stops may point to a damaged magneto armature. This ignition coil turns magnetic energy from the spinning flywheel into the electrical pulse that fires the spark plug. First try a known-good spark plug and inspect the safety switches, grounding wire, terminals, and flywheel magnet. Confirm fit from the full engine identification numbers, since similar coils may mount differently. Work only with the engine off and cool. Disconnect the battery and spark plug lead before removing covers. During installation, use the air gap listed in the service manual and tighten the mounting screws evenly. Keep hands clear of the flywheel and use an insulated tester to check for spark.
ROLLER – Part Number: 1668513SM
$14.95
In Stock
ROLLER
Part #1668513SM
Designed for use in Snapper and Simplicity ride-on mowers, this Roller is sourced directly from the manufacturer, is made of durable black plastic, is 4 inches long, and sold individually. The Roller helps allow the deck to move over the lawn without gouging into the ground. When the Roller has broken, you will notice the deck starts to ground out. This part will wear over time and needs to be replaced if it is damaged or fatigued. Customers rate the difficulty of this repair as Medium.
Line-fuel – Part Number: 791745
$16.54
In Stock
Line-fuel
Part #791745
This fuel line is compatible with several different makes and models of small engine equipment and is sold as an individual part. Equipped with the securing clamp, this rubber fuel line is used to transfer fuel from the fuel tank to the carburetor, and over time and due to exposure of gas, this fuel line can become brittle and crack, requiring a replacement. If you find your equipment is performing worse, check the fuel line for any visible signs of damage. To replace the fuel line, you will need to disconnect the spark plug and drain the fuel from your equipment, before simply removing the old line and installing the new one and reassembling the rest of the motor.
Nut, Push – Part Number: 771009
$6.40
In Stock
Nut, Push
Part #771009
This is an OEM Snapper and Simplicity part directly sourced from the manufacturer for use in lawn tractors. The push nut connects to the roller and is made of metal. During the installation process, a screwdriver might be needed to replace this part. Over time this item may break and will need to be replaced. This item is available as an individual replacement part.
Wheel Bearing – Part Number: 1752171YP
$15.87
In Stock
Wheel Bearing
Part #1752171YP
This genuine OEM part is compatible with a variety of Snapper, Simplicity, and Murray tractors/mowers. Bearings allow moving parts (axles and wheels in this case) free motion and steady operation. They stabilize directional motion while reducing friction between moving parts. Bearings are high wear parts which often need regular replacement to function at their peak. Sold separately.
Hose-vacuum – Part Number: 791766
$10.60
In Stock
Hose-vacuum
Part #791766
This genuine part is sourced directly from the original equipment manufacturer. It is specially designed for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. The purpose of this hose is to transfer vacuum from the engine. Unfortunately, over time the material may wear out and begin to crack eventually requiring a replacement. Make sure to check the diagrams of your model for the exact location and the correct installation of this part. Note, this item includes one durable rubber hose and two metal clamps to secure it.
ROLLER, ROUNDED – Part Number: 1722036SM
$11.33
In Stock
ROLLER, ROUNDED
Part #1722036SM
This authentic manufacturer-supplied rounded roller is specially made for use with Snapper and Simplicity riding lawn mowers and garden tractors. It is a special component which helps to support the deck. This is an identical replacement for a missing or a damaged part that was installed on a new unit. Refer to the appropriate diagrams for your model to ensure the proper repair procedure. One durable component is included. Keep in mind the hardware to secure it is sold separately.
Screw – Part Number: 691902
$6.40
In Stock
Screw
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★★★★★
(1)
Part #691902
This is an authentic Briggs & Stratton replacement part sourced from the original manufacturer for use with small engines. The special screw includes a washer and is commonly used to secure the engine's exhaust manifold. The screw is available as an individual replacement part.

Common Symptoms of the MF2523

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Exhaust push rod
6 of 15 people found this instruction helpful.
  • GERALD from CLIO, MI
  • Easy
  • 30 - 60 mins
  • Socket set, Wrench set
Reverse of how i took broken exhuast value out.
It was simple just watch what you do. Also make sure you lash the value. U tube it.
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