Description
Sierra Yamaha Control-Box Ignition Switch with Push-to-Choke – MP51040
An OEM-style Yamaha ignition-switch assembly for listed control boxes and outboard applications requiring a push-to-choke function.
- Exact OEM-style replacement installation
- Push-to-choke operation
- Heavy-duty potted construction with minimal circuit bleed
- Molded umbrella-style key
- Wire colors match Yamaha factory color codes
Specifications
- Part number: MP51040
- Application: Yamaha control box, 2- and 4-stroke
- Function: Push to choke
- Construction: Potted
- Engine-system compatibility: DFI, EFI and MPI applications as listed
Interchange / Replaces
- Yamaha Outboard: 703-82510-40-00, 703-82510-41-00, 703-82510-42-00, 703-82510-43-00, 703-82510-44-00, 703-82510-45-00
Application / Fitment Notes
Sierra lists fitment including selected Yamaha 225 and 250 hp models. Verify the OEM switch number and control-box wiring for the exact engine/year.

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