Description
Sierra Yamaha Control-Box Ignition Switch, Off-Run-Start – MP51020
A potted Yamaha control-box ignition switch designed as an OEM-style replacement for listed 2-stroke and 4-stroke applications.
- Exact OEM-style installation for listed Yamaha control boxes
- Off-Run-Start switch function
- Heavy-duty potted construction with minimal circuit bleed
- Molded umbrella-style key for secure grip
- Wire colors match Yamaha factory color codes
Specifications
- Part number: MP51020
- Application: Yamaha control box, 2- and 4-stroke
- Function: Off – Run – Start
- Construction: Potted
- Engine-system compatibility: DFI, EFI and MPI applications as listed
Interchange / Replaces
- Yamaha Outboard: 703-82510-02-00, 703-82510-11-00, 703-82510-12-00, 703-82510-13-00, 703-82510-14-00
Application / Fitment Notes
Match the Yamaha OEM number and control-box wiring before installation; the supplied wire colors are intended to correspond with factory color coding.

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