Starter Switches for Exmark Mowers

These Stens Starter Switches are for Exmark Mowers.

430-029 Starter Switch for Exmark Mowers.

430-029 Starter Switch for Exmark Mowers.

  • Starter Switch
    (430-029)
    USD $14.85
  • Starter Switch
    (430-173)
    USD $26.73
  • Starter Switch
    (430-334)
    USD $21.20
  • Starter Key
    (430-009)
    USD $6.99

Details

Need a new starter switch for your Exmark Mower? Look no further, Rittenhouse carries the Stens Line of replacement switches. The chart below will help to identify which one you need.

Part # Replaces Exmark OEM Fits Description
430-029 1-403121 / 403121 32"-52" commercial mowers w/ pull start Magneto
2 positions
2 terminals
5/8" mounting stem
On/off switch
Includes key, lockwasher, cover and nut
Uses 430-009 starter key
430-173 1-543070 / 543070 52", 60", 72" Lazer Z (serial # 102,000-370,000);
52", 60" Turf Tracer floating deck (serial # 190,000 and higher)
Without ECS
Magneto
3 positions
5 terminals
5/8" mounting stem
Uses 430-009 starter key
430-334 103-0206 / 109-4736 /
88-9830 / 104-2541
60" & 72" Lazer Z & Lazer XP 3 positions
6 terminals
5/8" mounting stem
Uses 430-009 starter key

FYI

You need a different type of switch for battery and magneto ignitions because they have different operating principles. A battery uses an external power source to create the spark at the spark plug.It is usually a 12-volt battery and an external coil, like the 460-048. The switch controls the voltage to the coil via the I terminal. When the switch is in an "on" position, it sends 12 volts to the coil. When it is an "off" position, it doesn't send volts to the coil and will not allow it to create a spark.

Magneto ignitions need no external power source. The engine flywheel has a set of magnets built into it. As these magnets pass by the laminations of the coil, voltage builds up by the coil. It transfers this voltage to the spark plug and creates the spark. The switch acts as a ground mechanism for the magneto system via the M terminal. When the switch is in an "on" position, the system is not grounded and the voltage for the spark flows through to the plug. When the switch is in an "off" position, then the system is grounded and will not allow the spark voltage to get to the plug, and no spark is created. Diagrams of terminal placement accompany the key switches for easy identification.

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