Briggs & Stratton Brand [Lifetime Warranty] 725-1717 925-1717 Ignition Starter Switch - Compatible with Craftsman Husqvarna Murray MTD Cub Cadet AYP Poulan Riding Lawn Tractor Mower 430-674 140301 532140301 574455401 092556 092556MA
Ignition starter switch with keys for riding lawn mowers, showing rear terminal view with metal contact pins.
Dimensional diagram of 725-1717 ignition starter switch and key for riding lawn mowers with measurements.
725-1717 ignition starter switch for lawn mowers shown in a promotional graphic with a man mowing the lawn.
Diagram of 725-1717 ignition starter switch showing 7 terminals and 4 positions for lawn mower compatibility.
Ignition starter switch 725-1717 with keys for Craftsman, Husqvarna, and MTD riding lawn mowers.
725-1717 ignition starter switch with keys for riding lawn mowers, shown in a diagnostic graphic.
Close-up of ignition starter switch showing brass terminals, aluminum housing, and two keys for lawn tractors.
Cross-reference chart for 725-1717 ignition starter switch replacement part numbers for lawn mowers and tractors.
725-1717 ignition starter switch installation guide showing a key inserted into a riding lawn mower dashboard.
Ignition starter switch with keys for riding lawn mowers, showing rear terminal view with metal contact pins.
Dimensional diagram of 725-1717 ignition starter switch and key for riding lawn mowers with measurements.
725-1717 ignition starter switch for lawn mowers shown in a promotional graphic with a man mowing the lawn.
Diagram of 725-1717 ignition starter switch showing 7 terminals and 4 positions for lawn mower compatibility.
Ignition starter switch 725-1717 with keys for Craftsman, Husqvarna, and MTD riding lawn mowers.
725-1717 ignition starter switch with keys for riding lawn mowers, shown in a diagnostic graphic.
Close-up of ignition starter switch showing brass terminals, aluminum housing, and two keys for lawn tractors.
Cross-reference chart for 725-1717 ignition starter switch replacement part numbers for lawn mowers and tractors.
725-1717 ignition starter switch installation guide showing a key inserted into a riding lawn mower dashboard.
Lifetime Warranty

[Lifetime Warranty] 725-1717 925-1717 Ignition Starter Switch - Compatible with Craftsman Husqvarna Murray MTD Cub Cadet AYP Poulan Riding Lawn Tractor Mower 430-674 140301 532140301 574455401 092556 092556MA

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725-1717 Ignition Starter Switch

Key Features

  • Direct replacement ignition switch kit
  • Ignition Type: Magneto
  • Number of Positions: 4
  • Number of Terminals: 7
  • Includes two matching keys

Replaces / Cross-Reference Part Numbers

  • 925-1717
  • 140301
  • 532140301
  • 574455401
  • 092556MA
  • 092556
  • 92556MA
  • 5412H
  • 5412K
  • 430-674

Compatibility & Fitment

  • Fits various models from brands including MTD, Craftsman, Husqvarna, Murray, and AYP.
  • Specifically designed for many MTD garden tractors manufactured in 2002 and prior.
  • Verify fitment by cross-referencing your original part number.

When to Replace

  • Engine fails to crank or start when the key is turned.
  • Intermittent starting problems or loss of electrical power.
  • The key is stuck, broken, or will not turn smoothly in the cylinder.
  • Starter motor continues to run after the engine has started.
  • No power to accessories in the "On" or "Accessory" position.

Installation Tips

  • Disconnect the negative battery terminal before beginning the installation.
  • Photograph or label the wire configuration on the old switch before removal.
  • Ensure each wire is connected securely to the correct terminal on the new switch.
  • After installation, reconnect the battery and test all switch functions before reassembling equipment housing.
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  • FIXING SYMPTOMS

    FIXING SYMPTOMS

    Engine won't start | No power to starter | Key won’t turn or feels loose | Engine dies when releasing key
  • DURABLE MATERIAL

    DURABLE MATERIAL

    This part is made of lightweight and robust aluminum alloy which is flame-retardant, enhancing durability
  • BEST SOLUTION

    BEST SOLUTION

    Enjoy the great feeling when your tractor is repaired and works like before - BlueStars brings DIY solutions to help you deal with any trouble
  • IMPORTANT NOTE

    IMPORTANT NOTE

    This is a replacement part designed to be compatible with certain appliances. Any brand names mentioned are used solely to indicate compatibility
Enjoy your fresh garden with the support of our replacement part!

Enjoy your fresh garden with the support of our replacement part!

FAQ

This switch is commonly used on riding lawn tractors and mowers from Craftsman, Husqvarna, Murray, MTD, Cub Cadet, AYP, Poulan, Roper, and Weed Eater. Compatibility should be confirmed by matching your original switch part number and terminal layout to the numbers listed for this part, since the same brands used more than one switch style across different model years.
Known replacement and cross-reference numbers for this switch include 725-1717, 925-1717, 430-674, 140301, 532140301, 574455401, 092556, 092556MA, 92556, 92556MA, 5412, 5412H, 5412K, BS54124, 9900-9031, AN113336BB1, 7251717, and 9251717. The safest match is to compare both the part number and the terminal configuration on your original switch.
Typical symptoms include the mower not cranking when you turn the key, intermittent starting, loss of accessory or run power in certain key positions, needing to jiggle the key to make contact, or a key that turns but does not energize the starter circuit. Before replacing the switch, also check the battery, fuse, wiring connectors, solenoid, PTO switch, brake/clutch safety switch, and seat switch, because those can cause similar no-start symptoms.
Based on the available references, this is a 4-position ignition starter switch with 7 terminals. That means it is designed for applications using multiple key positions and several circuit connections, so terminal count and plug/wire arrangement should be verified before ordering or installing.
Replacement is usually straightforward on most lawn tractors. In many cases it takes about 15 to 30 minutes with basic hand tools such as a wrench or socket set, pliers, and possibly a screwdriver to remove the dash panel or retaining hardware. Disconnect the battery first, label the wires before removal, and transfer each wire to the matching terminal position on the new switch.
Inspect the wire terminals for heat damage, corrosion, looseness, or melted plastic at the connector. If the old switch failed from arcing or resistance, damaged terminals can cause the new switch to behave the same way. It is also smart to verify battery voltage, clean the ground connections, and confirm that the safety interlock system is working properly before concluding the switch is the only problem.
Common causes include age-related internal contact wear, moisture intrusion, corrosion at the terminals, vibration, repeated high-current arcing during starting, and overheated or loose connectors. On older tractors, a weak battery or poor cable connections can also increase stress on the starting circuit and contribute to switch damage over time.